Basic Information

Professional Memberships

• 応用物理学会
• 米国物理学会
• 日本物理学会
• 電気化学会

Academic Degree

• 工学修士(東京大学)
• 工学博士(東京大学)

Language of Instruction

• English

ID,URL

• J-Global ID

  200901055322587810

researchmap URL

• https://researchmap.jp/read0072032

Research

Research Topics, Overview of the research

• Research Topics

  光物性物理学、半導体物理学、ナノサイエンス、太陽電池

• Overview of the research

  ナノ構造半導体の光物性研究を行っています。現在行っている研究テーマは、(1) ハロゲン化金属ペロブスカイトの光物理、(2)顕微分光法によるナノ構造物質の単一光物性、(3) ナノ粒子発光材料の光学物性・光新機能評価　などです。

Research Interests

• 半導体光科学
• 強電場光科学
• 発光
• 量子光物性
• ナノ粒子
• ハライドペロブスカイト

Research Areas

• Natural sciences, Semiconductors, optical and atomic physics
• Nanotechnology/Materials, Nanostructure physics
• Nanotechnology/Materials, Optical engineering and photonics
• Nanotechnology/Materials, Applied materials

Papers

• Squaric Acid-Containing Hole-Collecting Monolayer Materials for p–i–n Perovskite Solar Cells

  Shota Hira; Minh Anh Truong; Yuko Matsushige; Yasuko Iwasaki; Richard Murdey; Tomoya Nakamura; Takumi Yamada; Yoshihiko Kanemitsu; Atsushi Wakamiya

  ACS Applied Materials & Interfaces, 23 Jan. 2025

  
• Molecular Design of Hole-Collecting Materials for Co-Deposition Processed Perovskite Solar Cells: A Tripodal Triazatruxene Derivative with Carboxylic Acid Groups

  Minh Anh Truong; Tsukasa Funasaki; Yuta Adachi; Shota Hira; Tiancheng Tan; Aruto Akatsuka; Takumi Yamada; Yasuko Iwasaki; Yuko Matsushige; Ryuji Kaneko; Chizuru Asahara; Tomoya Nakamura; Richard Murdey; Hiroyuki Yoshida; Yoshihiko Kanemitsu; Atsushi Wakamiya

  Journal of the American Chemical Society, 10 Jan. 2025

  
• Single-isomer bis(pyrrolidino)fullerenes as electron-transporting materials for tin halide perovskite solar cells

  Tomoya Nakamura; Takabumi Nagai; Yuki Miyake; Takumi Yamada; Makoto Miura; Hiroyuki Yoshida; Yoshihiko Kanemitsu; MInh Anh Truong; Richard Murdey; Atsushi Wakamiya

  Chemical Science, 2025

  
• Revealing the Dynamic Aspects of Photoinduced Halide Segregation in Mixed-Halide Cs_0.15FA_0.85PbI₂Br Perovskite Films Using a Hyperspectral Imaging Technique

  Yusuke Daikoku; Takumi Yamada; Ai Shimazaki; Tomoya Nakamura; Atsushi Wakamiya; Yoshihiko Kanemitsu

  The Journal of Physical Chemistry Letters, 09 Dec. 2024

  
• Internal Electric Field Manipulates Exciton–Phonon Couplings in Single Lead Halide Perovskite Nanocrystals

  Kenichi Cho; Hirokazu Tahara; Takumi Yamada; Mitsuki Muto; Masaki Saruyama; Ryota Sato; Toshiharu Teranishi; Yoshihiko Kanemitsu

  The Journal of Physical Chemistry Letters, 25 Nov. 2024

  
• Electrically switchable chiral nonlinear optics in an achiral ferroelectric 2D van der Waals halide perovskite

  Go Yumoto; Fuyuki Harata; Tomoya Nakamura; Atsushi Wakamiya; Yoshihiko Kanemitsu

  Science Advances, 15 Nov. 2024

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• Spin switching in Sm0.7Er0.3FeO3 triggered by terahertz magnetic-field pulses

  Zhenya Zhang; Minoru Kanega; Kei Maruyama; Takayuki Kurihara; Makoto Nakajima; Takehiro Tachizaki; Masahiro Sato; Yoshihiko Kanemitsu; Hideki Hirori

  Nature Materials, 25 Oct. 2024

  
• Efficient Electroluminescence from Organic Fluorophore‐Containing Perovskite Films

  Toshinori Matsushima; Chuanjiang Qin; Teng Teng; Narayanaswamy Kamatham; Lydia Sosa Vargas; David Kreher; Benoit Heinrich; Tomohiro Ishii; Shinobu Terakawa; Matthew R. Leyden; Atula S. D. Sandanayaka; Fatima Bencheikh; Kiyoshi Miyata; Ken Onda; Yoshihiko Kanemitsu; Fabrice Mathevet; Chihaya Adachi

  Advanced Materials, 17 Oct. 2024

  
• Optical Cooling of Dot-in-Crystal Halide Perovskites: Challenges of Nonlinear Exciton Recombination

  Yasuhiro Yamada; Takeru Oki; Takeshi Morita; Takumi Yamada; Mitsuki Fukuda; Shuhei Ichikawa; Kazunobu Kojima; Yoshihiko Kanemitsu

  Nano Letters, 29 Aug. 2024

  
• Tetrapodal Hole‐Collecting Monolayer Materials Based on Saddle‐Like Cyclooctatetraene Core for Inverted Perovskite Solar Cells

  Minh Anh Truong; Lucas Ueberricke; Tsukasa Funasaki; Yuta Adachi; Shota Hira; Shuaifeng Hu; Takumi Yamada; Naomu Sekiguchi; Tomoya Nakamura; Richard Murdey; Satoshi Iikubo; Yoshihiko Kanemitsu; Atsushi Wakamiya

  Angewandte Chemie International Edition, 08 Aug. 2024

  
• Size Dependence of Trion and Biexciton Binding Energies in Lead Halide Perovskite Nanocrystals

  Kenichi Cho; Takao Sato; Takumi Yamada; Ryota Sato; Masaki Saruyama; Toshiharu Teranishi; Hidekatsu Suzuura; Yoshihiko Kanemitsu

  ACS Nano, 05 Feb. 2024

  
• Hot electron effect in high-order harmonic generation from graphene driven by elliptically polarized light

  Kotaro Nakagawa; Wenwen Mao; Shunsuke A. Sato; Hiroki Ago; Angel Rubio; Yoshihiko Kanemitsu; Hideki Hirori

  APL Photonics, 03 Jul. 2024, Peer-reviewed, Corresponding author

  
• Photocurrent interference spectroscopy of solids and characterization of semiconductor solar-cell materials

  Yoshihiro Ogawa; Hirokazu Tahara; Yoshihiko Kanemitsu

  Journal of Applied Physics, 25 Jun. 2024, Peer-reviewed, Invited, Last author, Corresponding author

  
• Tuning the Direction of Photoinduced Electron Transfer in Porphyrin-Protected Gold Clusters

  Yuki Chiga; Wataru Suzuki; Ryo Takahata; Etsuki Kobiyama; Hirokazu Tahara; Yoshihiko Kanemitsu; Masahiro Shibuta; Masanori Sakamoto; Toshiharu Teranishi

  The Journal of Physical Chemistry C, 28 Feb. 2024

  
• Materials Chemistry for Metal Halide Perovskite Photovoltaics

  Tomoya Nakamura; Yoshio Kondo; Noboru Ohashi; Chihiro Sakamoto; Akio Hasegawa; Shuaifeng Hu; Minh Anh Truong; Richard Murdey; Yoshihiko Kanemitsu; Atsushi Wakamiya

  Bulletin of the Chemical Society of Japan, 07 Jan. 2024

  
• In Situ Thermal Cross-Linking of 9,9′-Spirobifluorene-Based Hole-Transporting Layer for Perovskite Solar Cells

  Sarune Daskeviciute-Geguziene; Minh Anh Truong; Kasparas Rakstys; Maryte Daskeviciene; Ruito Hashimoto; Richard Murdey; Takumi Yamada; Yoshihiko Kanemitsu; Vygintas Jankauskas; Atsushi Wakamiya; Vytautas Getautis

  ACS Applied Materials & Interfaces, 20 Dec. 2023

  
• Anomalous behavior of critical current in a superconducting film triggered by DC plus terahertz current

  Fumiya Sekiguchi; Hideki Narita; Hideki Hirori; Teruo Ono; Yoshihiko Kanemitsu

  Nature Communications, 24 May 2024, Peer-reviewed, Last author, Corresponding author

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• Coherent electronic coupling in quantum dot solids induces cooperative enhancement of nonlinear optoelectronic responses

  Hirokazu Tahara; Masanori Sakamoto; Toshiharu Teranishi; Yoshihiko Kanemitsu

  Nature Nanotechnology, 31 Jan. 2024, Peer-reviewed, Last author, Corresponding author

  
• Enhancing high harmonic generation in GaAs by elliptically polarized light excitation

  Fumiya Sekiguchi; Minoru Sakamoto; Kotaro Nakagawa; Hirokazu Tahara; Shunsuke A. Sato; Hideki Hirori; Yoshihiko Kanemitsu

  Physical Review B, 13 Nov. 2023, Peer-reviewed, Last author, Corresponding author

  
• Spontaneous Polarization Induced Optical Responses in a Two-Dimensional Ferroelectric Halide Perovskite

  Chika Higashimura; Go Yumoto; Takumi Yamada; Tomoya Nakamura; Fuyuki Harata; Hideki Hirori; Atsushi Wakamiya; Yoshihiko Kanemitsu

  The Journal of Physical Chemistry Letters, 13 Sep. 2023, Peer-reviewed, Last author, Corresponding author

  
• Evaluation of electron-phonon interactions in halide perovskites toward semiconductor optical refrigeration

  Yasuhiro Yamada; Yuto Kajino; Yoshihiko Kanemitsu

  Photonic Heat Engines: Science and Applications V, 15 Mar. 2023, Invited

  
• Picosecond trion photocurrent dynamics in FAPbI3 quantum dot films

  Etsuki Kobiyama; Hirokazu Tahara; Masaki Saruyama; Ryota Sato; Toshiharu Teranishi; Yoshihiko Kanemitsu

  Applied Physics Letters, 19 Jun. 2023, Peer-reviewed, Last author, Corresponding author

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• Temperature dependence of photoluminescence spectrum of single lead halide perovskite nanocrystals: Effect of size on the phase transition temperature.

  Kenichi Cho; Takumi Yamada; Masaki Saruyama; Ryota Sato; Toshiharu Teranishi; Yoshihiko Kanemitsu

  The Journal of chemical physics, 28 May 2023, Peer-reviewed, Last author, Corresponding author

  
• Bilayer Indium Tin Oxide Electrodes for Deformation‐Free Ultrathin Flexible Perovskite Solar Cells

  Noboru Ohashi; Ryuji Kaneko; Chikako Sakai; Yoko Wasai; Seiji Higuchi; Kenji Yazawa; Hirokazu Tahara; Taketo Handa; Tomoya Nakamura; Richard Murdey; Yoshihiko Kanemitsu; Atsushi Wakamiya

  Solar RRL, 23 May 2023

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• Review—Photoluminescence Characterization of Halide Perovskite Materials and Solar Cells

  Taketo Handa; Takumi Yamada; Yoshihiko Kanemitsu

  ECS Journal of Solid State Science and Technology, 01 May 2023, Peer-reviewed, Invited, Last author, Corresponding author

  
• Generation of third-harmonic spin oscillation from strong spin precession induced by terahertz magnetic near fields

  Zhenya Zhang; Fumiya Sekiguchi; Takahiro Moriyama; Shunsuke C. Furuya; Masahiro Sato; Takuya Satoh; Yu Mukai; Koichiro Tanaka; Takafumi Yamamoto; Hiroshi Kageyama; Yoshihiko Kanemitsu; Hideki Hirori

  Nature Communications, 31 Mar. 2023, Peer-reviewed, Corresponding author

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• Tripodal Triazatruxene Derivative as a Face-On Oriented Hole-Collecting Monolayer for Efficient and Stable Inverted Perovskite Solar Cells

  Minh Anh Truong; Tsukasa Funasaki; Lucas Ueberricke; Wataru Nojo; Richard Murdey; Takumi Yamada; Shuaifeng Hu; Aruto Akatsuka; Naomu Sekiguchi; Shota Hira; Lingling Xie; Tomoya Nakamura; Nobutaka Shioya; Daisuke Kan; Yuta Tsuji; Satoshi Iikubo; Hiroyuki Yoshida; Yuichi Shimakawa; Takeshi Hasegawa; Yoshihiko Kanemitsu; Yoshihiko Kanemitsu; Takanori Suzuki; Atsushi Wakamiya

  Journal of the American Chemical Society, 23 Mar. 2023, Peer-reviewed

  
• Mid-infrared pulse generation using multi-plate white-light generation and optical parametric amplification in LiGaS₂ crystals

  Kotaro Nakagawa; Nobuhisa Ishii; Yoshihiko Kanemitsu; Hideki Hirori

  Applied Physics Express, 01 Mar. 2023, Peer-reviewed

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• Polarization anomaly in high harmonics in the crossover region between perturbative and extreme nonlinearity in GaAs

  Fumiya Sekiguchi; Go Yumoto; Hideki Hirori; Yoshihiko Kanemitsu

  Physical Review B, 20 Dec. 2022, Peer-reviewed

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• Synergistic Surface Modification of Tin–Lead Perovskite Solar Cells

  Shuaifeng Hu; Pei Zhao; Kyohei Nakano; Robert D. J. Oliver; Jorge Pascual; Joel A. Smith; Takumi Yamada; Minh Anh Truong; Richard Murdey; Nobutaka Shioya; Takeshi Hasegawa; Masahiro Ehara; Michael B. Johnston; Keisuke Tajima; Yoshihiko Kanemitsu; Henry J. Snaith; Atsushi Wakamiya

  Advanced Materials, 08 Dec. 2022, Peer-reviewed

  
• Composition–Property Mapping in Bromide-Containing Tin Perovskite Using High-Purity Starting Materials

  Tomoya Nakamura; Kento Otsuka; Shuaifeng Hu; Ruito Hashimoto; Taro Morishita; Taketo Handa; Takumi Yamada; Minh Anh Truong; Richard Murdey; Yoshihiko Kanemitsu; Atsushi Wakamiya

  ACS Applied Energy Materials, 22 Nov. 2022, Peer-reviewed

  
• Exciton–Phonon and Trion–Phonon Couplings Revealed by Photoluminescence Spectroscopy of Single CsPbBr₃ Perovskite Nanocrystals

  Kenichi Cho; Hirokazu Tahara; Takumi Yamada; Hidekatsu Suzuura; Terumasa Tadano; Ryota Sato; Masaki Saruyama; Hideki Hirori; Toshiharu Teranishi; Yoshihiko Kanemitsu

  Nano Letters, 19 Sep. 2022, Peer-reviewed, Last author, Corresponding author

  
• Biexciton dynamics in halide perovskite nanocrystals

  Go Yumoto; Yoshihiko Kanemitsu

  Physical Chemistry Chemical Physics, 15 Sep. 2022, Peer-reviewed, Invited, Last author, Corresponding author

  
• Molecular Engineering of Enamine‐Based Hole‐Transporting Materials for High‐Performing Perovskite Solar Cells: Influence of the Central Heteroatom

  Deimante Vaitukaityte; Minh Anh Truong; Kasparas Rakstys; Richard Murdey; Tsukasa Funasaki; Takumi Yamada; Yoshihiko Kanemitsu; Vygintas Jankauskas; Vytautas Getautis; Atsushi Wakamiya

  Solar RRL, 08 Sep. 2022, Peer-reviewed

  
• A convenient method for assessing steady-state carrier density and lifetime in solar cell materials using pulse excitation measurements

  Taketo Handa; Takumi Yamada; Yoshihiko Kanemitsu

  The Journal of Chemical Physics, 28 Aug. 2022, Peer-reviewed, Invited, Last author, Corresponding author

  
• Halide perovskite nanocrystals: Unique luminescence materials

  Yoshihiko Kanemitsu

  Journal of Luminescence, 18 Aug. 2022, Peer-reviewed, Invited, Lead author, Last author, Corresponding author

  
• Rapidly expanding spin-polarized exciton halo in a two-dimensional halide perovskite at room temperature

  Go Yumoto; Fumiya Sekiguchi; Ruito Hashimoto; Tomoya Nakamura; Atsushi Wakamiya; Yoshihiko Kanemitsu

  Science Advances, 29 Jul. 2022, Peer-reviewed, Last author, Corresponding author

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• Size-controlled quantum dots reveal the impact of intraband transitions on high-order harmonic generation in solids

  Kotaro Nakagawa; Hideki Hirori; Shunsuke A. Sato; Hirokazu Tahara; Fumiya Sekiguchi; Go Yumoto; Masaki Saruyama; Ryota Sato; Toshiharu Teranishi; Yoshihiko Kanemitsu

  Nature Physics, 23 Jun. 2022, Peer-reviewed, Last author, Corresponding author

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• Metal-free ferroelectric halide perovskite exhibits visible photoluminescence correlated with local ferroelectricity

  Taketo Handa; Ruito Hashimoto; Go Yumoto; Tomoya Nakamura; Atsushi Wakamiya; Yoshihiko Kanemitsu

  Science Advances, 22 Jun. 2022, Peer-reviewed, Last author, Corresponding author

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• LiNbO₃‐Type Polar Antiferromagnet InVO₃ Synthesized under High‐Pressure Conditions

  Zhenhong Tan; Joey A. Lussier; Takumi Yamada; Yuanhui Xu; Takashi Saito; Masato Goto; Yoshihisa Kosugi; Dmitry Vrublevskiy; Yoshihiko Kanemitsu; Mario Bieringer; Yuichi Shimakawa

  Angewandte Chemie International Edition, 20 Jun. 2022, Peer-reviewed

  
• Electron-phonon interactions in halide perovskites

  Yasuhiro Yamada; Yoshihiko Kanemitsu

  NPG Asia Materials, 03 Jun. 2022, Peer-reviewed, Invited, Last author, Corresponding author

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• Optimized carrier extraction at interfaces for 23.6% efficient tin–lead perovskite solar cells

  Shuaifeng Hu; Kento Otsuka; Richard Murdey; Tomoya Nakamura; Minh Anh Truong; Takumi Yamada; Taketo Handa; Kazuhiro Matsuda; Kyohei Nakano; Atsushi Sato; Kazuhiro Marumoto; Keisuke Tajima; Yoshihiko Kanemitsu; Atsushi Wakamiya

  Energy & Environmental Science, 2022, Peer-reviewed

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• Anti-Stokes photoluminescence from CsPbBr3 nanostructures embedded in a Cs4PbBr6 crystal

  Yuto Kajino; Shuji Otake; Takumi Yamada; Kazunobu Kojima; Tomoya Nakamura; Atsushi Wakamiya; Yoshihiko Kanemitsu; Yasuhiro Yamada

  Physical Review Materials, 14 Apr. 2022, Peer-reviewed

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• Collective enhancement of quantum coherence in coupled quantum dot films

  Hirokazu Tahara; Masanori Sakamoto; Toshiharu Teranishi; Yoshihiko Kanemitsu

  Physical Review B, 17 Dec. 2021, Peer-reviewed

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• Generation of wavelength-tunable few-cycle pulses in the mid-infrared at repetition rates up to 10  kHz

  Yasuyuki Sanari; Fumiya Sekiguchi; Kotaro Nakagawa; Nobuhisa Ishii; Yoshihiko Kanemitsu; Hideki Hirori

  Optics Letters, 15 Oct. 2021, Peer-reviewed

  
• Mixed lead–tin perovskite films with >7 μs charge carrier lifetimes realized by maltol post-treatment

  Shuaifeng Hu; Minh Anh Truong; Kento Otsuka; Taketo Handa; Takumi Yamada; Ryosuke Nishikubo; Yasuko Iwasaki; Akinori Saeki; Richard Murdey; Yoshihiko Kanemitsu; Atsushi Wakamiya

  Chemical Science, 27 Sep. 2021, Peer-reviewed

  
• Luminescence Fine Structures in Single Lead Halide Perovskite Nanocrystals: Size Dependence of the Exciton–Phonon Coupling

  Kenichi Cho; Takumi Yamada; Hirokazu Tahara; Terumasa Tadano; Hidekatsu Suzuura; Masaki Saruyama; Ryota Sato; Toshiharu Teranishi; Yoshihiko Kanemitsu

  Nano Letters, 08 Sep. 2021, Peer-reviewed

  
• Ultrastrong coupling between THz phonons and photons caused by an enhanced vacuum electric field

  Zhenya Zhang; Hideki Hirori; Fumiya Sekiguchi; Ai Shimazaki; Yasuko Iwasaki; Tomoya Nakamura; Atsushi Wakamiya; Yoshihiko Kanemitsu

  Physical Review Research, 27 Jul. 2021, Peer-reviewed

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• Light emission from halide perovskite semiconductors: bulk crystals, thin films, and nanocrystals

  Takumi Yamada; Taketo Handa; Yasuhiro Yamada; Yoshihiko Kanemitsu

  Journal of Physics D: Applied Physics, 08 Jul. 2021, Peer-reviewed, Invited

  
• Determination of localized surface phonons in nanocrystalline silicon by inelastic neutron scattering spectroscopy and its application to deuterium isotope enrichment

  Takahiro Matsumoto; Ikumi Nomata; Takashi Ohhara; Yoshihiko Kanemitsu

  Physical Review Materials, 28 Jun. 2021, Peer-reviewed

  
• Polaron Masses in CH3NH3PbX3 Perovskites Determined by Landau Level Spectroscopy in Low Magnetic Fields

  Yasuhiro Yamada; Hirofumi Mino; Takuya Kawahara; Kenichi Oto; Hidekatsu Suzuura; Yoshihiko Kanemitsu

  Physical Review Letters, 11 Jun. 2021, Peer-reviewed

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• On the progress of ultrafast time-resolved THz scanning tunneling microscopy

  Takehiro Tachizaki; Kan Hayashi; Yoshihiko Kanemitsu; Hideki Hirori

  APL Materials, 01 Jun. 2021, Peer-reviewed, Invited

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• Strong spin-orbit coupling inducing Autler-Townes effect in lead halide perovskite nanocrystals

  Go Yumoto; Hideki Hirori; Fumiya Sekiguchi; Ryota Sato; Masaki Saruyama; Toshiharu Teranishi; Yoshihiko Kanemitsu

  Nature Communications, May 2021, Peer-reviewed

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• Observation of high carrier mobility in CH3NH3PbBr3 single crystals by AC photo-Hall measurements

  Takumi Kimura; Kouhei Matsumori; Kenichi Oto; Yoshihiko Kanemitsu; Yasuhiro Yamada

  Applied Physics Express, 01 Apr. 2021, Peer-reviewed

  
• Near-Ultraviolet Transparent Organic Hole-Transporting Materials Containing Partially Oxygen-Bridged Triphenylamine Skeletons for Efficient Perovskite Solar Cells

  Minh Anh Truong; Hayoon Lee; Ai Shimazaki; Ryota Mishima; Masashi Hino; Kenji Yamamoto; Kento Otsuka; Taketo Handa; Yoshihiko Kanemitsu; Richard Murdey; Atsushi Wakamiya

  ACS Applied Energy Materials, 22 Feb. 2021, Peer-reviewed

  
• Enhancing the Hot-Phonon Bottleneck Effect in a Metal Halide Perovskite by Terahertz Phonon Excitation

  Fumiya Sekiguchi; Hideki Hirori; Go Yumoto; Ai Shimazaki; Tomoya Nakamura; Atsushi Wakamiya; Yoshihiko Kanemitsu

  Physical Review Letters, 16 Feb. 2021, Peer-reviewed

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• Spectral characterization of the Rashba spin-split band in a lead halide perovskite single crystal by photocurrent heterodyne interference spectroscopy

  Yoshihiro Ogawa; Hirokazu Tahara; Nanako Igarashi; Yasuhiro Yamada; Yoshihiko Kanemitsu

  Physical Review B, 04 Feb. 2021, Peer-reviewed

  
• High-order harmonic generation in graphene: Nonlinear coupling of intraband and interband transitions

  Shunsuke A. Sato; Hideki Hirori; Yasuyuki Sanari; Yoshihiko Kanemitsu; Angel Rubio

  Physical Review B, 29 Jan. 2021, Peer-reviewed

  
• Interference effects in high-order harmonics from colloidal perovskite nanocrystals excited by an elliptically polarized laser

  Kotaro Nakagawa; Hideki Hirori; Yasuyuki Sanari; Fumiya Sekiguchi; Ryota Sato; Masaki Saruyama; Toshiharu Teranishi; Yoshihiko Kanemitsu

  Physical Review Materials, 29 Jan. 2021, Peer-reviewed

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• Impact of spin-orbit splitting on two-photon absorption spectra in a halide perovskite single crystal

  Keiichi Ohara; Takumi Yamada; Tomoko Aharen; Hirokazu Tahara; Hideki Hirori; Hidekatsu Suzuura; Yoshihiko Kanemitsu

  Physical Review B, 06 Jan. 2021, Peer-reviewed

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• Materials Chemistry Approach for Efficient Lead-Free Tin Halide Perovskite Solar Cells

  Tomoya Nakamura; Taketo Handa; Richard Murdey; Yoshihiko Kanemitsu; Atsushi Wakamiya

  ACS Applied Electronic Materials, 22 Dec. 2020, Peer-reviewed, Invited

  
• Highly Luminescent CsPbBr3@Cs4PbBr6 Nanocrystals and Their Application in Electroluminescent Emitters

  Zhen Bao; Hsin-Di Chiu; Weigao Wang; Qiang Su; Takumi Yamada; Yu-Chun Chang; Shuming Chen; Yoshihiko Kanemitsu; Ren-Jei Chung; Ru-Shi Liu

  The Journal of Physical Chemistry Letters, 03 Dec. 2020, Peer-reviewed

  
• Phonon, thermal, and thermo-optical properties of halide perovskites

  Taketo Handa; Takumi Yamada; Masaya Nagai; Yoshihiko Kanemitsu

  Physical Chemistry Chemical Physics, Sep. 2020, Peer-reviewed

  
• Optical responses of lead halide perovskite semiconductors

  Yoshihiko Kanemitsu; Takumi Yamada; Taketo Handa; Masaya Nagai

  Semiconductor Science and Technology, 01 Sep. 2020, Peer-reviewed

  
• Role of virtual band population for high harmonic generation in solids

  Yasuyuki Sanari; Hideki Hirori; Tomoko Aharen; Hirokazu Tahara; Yasushi Shinohara; Kenichi L. Ishikawa; Tomohito Otobe; Peiyu Xia; Nobuhisa Ishii; Jiro Itatani; Shunsuke A. Sato; Yoshihiko Kanemitsu

  Physical Review B, 30 Jul. 2020, Peer-reviewed

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• Large thermal expansion leads to negative thermo-optic coefficient of halide perovskite CH3NH3PbCl3

  Taketo Handa; Hirokazu Tahara; Tomoko Aharen; Ai Shimazaki; Atsushi Wakamiya; Yoshihiko Kanemitsu

  Physical Review Materials, 20 Jul. 2020, Peer-reviewed

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• Sn(IV)-free tin perovskite films realized by in situ Sn(0) nanoparticle treatment of the precursor solution

  Tomoya Nakamura; Shinya Yakumaru; Minh Anh Truong; Kyusun Kim; Jiewei Liu; Shuaifeng Hu; Kento Otsuka; Ruito Hashimoto; Richard Murdey; Takahiro Sasamori; Hyung Do Kim; Hideo Ohkita; Taketo Handa; Yoshihiko Kanemitsu; Atsushi Wakamiya

  Nature Communications, Jun. 2020, Peer-reviewed

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• Modifying angular and polarization selection rules of high-order harmonics by controlling electron trajectories in k-space

  Yasuyuki Sanari; Tomohito Otobe; Yoshihiko Kanemitsu; Hideki Hirori

  Nature Communications, Jun. 2020, Peer-reviewed

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• Photoluminescence of CVD-grown MoS2 modified by pH under aqueous solutions toward potential biological sensing

  Takakazu Seki; Toshiyuki Ihara; Yoshihiko Kanemitsu; Yuhei Hayamizu

  2D Materials, 26 May 2020, Peer-reviewed

  
• Effect of A-Site Cation on Photoluminescence Spectra of Single Lead Bromide Perovskite Nanocrystals.

  Sojiro Masada; Takumi Yamada; Hirokazu Tahara; Hideki Hirori; Masaki Saruyama; Tokuhisa Kawawaki; Ryota Sato; Toshiharu Teranishi; Yoshihiko Kanemitsu

  Nano letters, 13 May 2020, Peer-reviewed

  
• Reduction of Optical Gain Threshold in CsPbI3 Nanocrystals Achieved by Generation of Asymmetric Hot-Biexcitons.

  Etsuki Kobiyama; Hirokazu Tahara; Ryota Sato; Masaki Saruyama; Toshiharu Teranishi; Yoshihiko Kanemitsu

  Nano letters, 13 May 2020, Peer-reviewed

  
• Photon recycling in perovskite CH3NH3PbX3 (X = I, Br, Cl) bulk single crystals and polycrystalline films

  Takumi Yamada; Yasuhiro Yamada; Yoshihiko Kanemitsu

  Journal of Luminescence, Apr. 2020, Peer-reviewed

  
• Band‐Edge Luminescence from Oxide and Halide Perovskite Semiconductors

  Yoshihiko Kanemitsu; Yasuhiro Yamada

  Chemistry – An Asian Journal, 16 Mar. 2020, Peer-reviewed

  
• Triplet management for efficient perovskite light-emitting diodes

  Chuanjiang Qin; Toshinori Matsushima; William J. Potscavage; Atula S. D. Sandanayaka; Matthew R. Leyden; Fatima Bencheikh; Kenichi Goushi; Fabrice Mathevet; Benoît Heinrich; Go Yumoto; Yoshihiko Kanemitsu; Chihaya Adachi

  Nature Photonics, Feb. 2020, Peer-reviewed

  
• Improvement in quantum yield by suppression of trions in room temperature synthesized CsPbBr₃ perovskite quantum dots for backlight displays

  K. Dave; Z. Bao; S. Nakahara; K. Ohara; S. Masada; H. Tahara; Y. Kanemitsu; R.-S. Liu

  Nanoscale, Jan. 2020, Peer-reviewed

  
• Quantum Interference Measurements and Their Application to Analysis of Ultrafast Photocarrier Dynamics in Semiconductor Solar Cell Materials

  H. Tahara; Y. Kanemitsu

  Adv. Quantum Technol., Jan. 2020, Peer-reviewed

  
• Upconverted excitonic photoluminescence from a two-dimensional lead-halide perovskite

  Takumi Yamada; Tomoko Aharen; Yoshihiko Kanemitsu

  The Journal of Chemical Physics, 21 Dec. 2019, Peer-reviewed

  
• Trion dynamics in lead halide perovskite nanocrystals

  Yoshihiko Kanemitsu

  The Journal of Chemical Physics, 07 Nov. 2019, Peer-reviewed

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• One-step solution synthesis of white-light-emitting films via dimensionality control of the Cs–Cu–I system

  Taehwan Jun; Taketo Handa; Kihyung Sim; Soshi Iimura; Masato Sasase; Junghwan Kim; Yoshihiko Kanemitsu; Hideo Hosono

  APL Materials, 01 Nov. 2019, Peer-reviewed

  
• Excitonic enhancement of optical nonlinearities in perovskite CH3NH3PbCl3 single crystals

  Keiichi Ohara; Takumi Yamada; Hirokazu Tahara; Tomoko Aharen; Hideki Hirori; Hidekatsu Suzuura; Yoshihiko Kanemitsu

  PHYSICAL REVIEW MATERIALS, Nov. 2019, Peer-reviewed

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• Impact of Orbital Hybridization at Molecule–Metal Interface on Carrier Dynamics

  Masanori Sakamoto; Kim Hyeon-Deuk; Daichi Eguchi; I.-Y. Chang; Daisuke Tanaka; Hirokazu Tahara; Akihiro Furube; Yoshihiro Minagawa; Yutaka Majima; Yoshihiko Kanemitsu; Toshiharu Teranishi

  The Journal of Physical Chemistry C, 24 Oct. 2019, Peer-reviewed

  
• Ionization and Neutralization Dynamics of CsPbBr3 Perovskite Nanocrystals Revealed by Double-Pump Transient Absorption Spectroscopy

  Satoshi Nakahara; Keiichi Ohara; Hirokazu Tahara; Go Yumoto; Tokuhisa Kawawaki; Masaki Saruyama; Ryota Sato; Toshiharu Teranishi; Yoshihiko Kanemitsu

  The Journal of Physical Chemistry Letters, 15 Aug. 2019, Peer-reviewed

  
• Photophysics of lead-free tin halide perovskite films and solar cells

  Taketo Handa; Atsushi Wakamiya; Yoshihiko Kanemitsu

  APL Materials, Aug. 2019, Peer-reviewed

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• Coherent Spectroscopy of Multiple Excitons in Colloidal Nanocrystal Quantum Dots

  Hirokazu Tahara; Yoshihiko Kanemitsu

  ChemNanoMat, Aug. 2019, Peer-reviewed

  
• Internal quantum efficiency of radiation in a bulk CH3NH3PbBr3 perovskite crystal quantified by using the omnidirectional photoluminescence spectroscopy

  K. Kojima; K. Ikemura; K. Matsumori; Y. Yamada; Y. Kanemitsu; S. F. Chichibu

  APL Materials, Jul. 2019, Peer-reviewed

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• Large negative thermo-optic coefficients of a lead halide perovskite

  Taketo Handa; Hirokazu Tahara; Tomoko Aharen; Yoshihiko Kanemitsu

  Science Advances, Jul. 2019, Peer-reviewed

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• Effects of Impurity Doping on Photoluminescence Properties of APbX 3 Lead Halide Perovskites

  Yasuhiro Yamada; Mizuki Hoyano; Kenichi Oto; Yoshihiko Kanemitsu

  physica status solidi (b), Jun. 2019, Peer-reviewed

  
• Subcycle transient scanning tunneling spectroscopy with visualization of enhanced terahertz near field

  S. Yoshida; H. Hirori; T. Tachizaki; K. Yoshioka; Y. Arashida; Z.-H. Wang; Y. Sanari; O. Takeuchi; Y. Kanemitsu; H. Shigekawa

  ACS Photonics, May 2019, Peer-reviewed

  
• High-order harmonic generation from hybrid organic-inorganic perovskite thin films

  Hideki Hirori; Peiyu Xia; Yasushi Shinohara; Tomohito Otobe; Yasuyuki Sanari; Hirokazu Tahara; Nobuhisa Ishii; Jiro Itatani; Kenichi L. Ishikawa; Tomoko Aharen; Masashi Ozaki; Atsushi Wakamiya; Yoshihiko Kanemitsu

  APL Materials, Apr. 2019, Peer-reviewed

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• Up-converted photoluminescence from CH3NH3PbI3 perovskite semiconductors: Implications for laser cooling

  T. Yamada; T. Aharen; Y. Kanemitsu

  Phys. Rev. Mater., Feb. 2019, Peer-reviewed

  
• Ultrafast Control of Ferroelectricity with Dynamical Repositioning of Protons in a Supramolecular Cocrystal Studied by Femtosecond Nonlinear Spectroscopy

  Tsugumi Umanodan; Keisuke Kaneshima; Kengo Takeuchi; Nobuhisa Ishii; Jiro Itatani; Hideki Hirori; Yasuyuki Sanari; Koichiro Tanaka; Yoshihiko Kanemitsu; Tadahiko Ishikawa; Shin-ya Koshihara; Sachio Horiuchi; Yoichi Okimoto

  JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, Jan. 2019, Peer-reviewed

  
• Structure–property relations in Ag–Bi–I compounds: potential Pb-free absorbers in solar cells

  Anucha Koedtruad; Masato Goto; Midori Amano Patino; Zhenhong Tan; Haichuan Guo; Tomoya Nakamura; Taketo Handa; Wei-Tin Chen; Yu-Chun Chuang; Hwo-Shuenn Sheu; Takashi Saito; Daisuke Kan; Yoshihiko Kanemitsu; Atsushi Wakamiya; Yuichi Shimakawa

  Journal of Materials Chemistry A, 2019, Peer-reviewed

  
• Zener Tunneling Breakdown in Phase-Change Materials Revealed by Intense Terahertz Pulses

  Yasuyuki Sanari; Takehiro Tachizaki; Yuta Saito; Kotaro Makino; Paul Fons; Alexander V. Kolobov; Junji Tominaga; Koichiro Tanaka; Yoshihiko Kanemitsu; Muneaki Hase; Hideki Hirori

  Physical Review Letters, 19 Oct. 2018, Peer-reviewed

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• Longitudinal Optical Phonons Modified by Organic Molecular Cation Motions in Organic-Inorganic Hybrid Perovskites

  Masaya Nagai; Takuya Tomioka; Masaaki Ashida; Mizuki Hoyano; Ryo Akashi; Yasuhiro Yamada; Tomoko Aharen; Yoshihiko Kanemitsu

  Physical Review Letters, 05 Oct. 2018, Peer-reviewed

  
• Quantitative monitoring of the internal field in the depletion layer of a GaAs-based solar cell with terahertz radiation

  Keita Miyagawa; Masaya Nagai; Genki Yamashita; Masaaki Ashida; Changsu Kim; Hidefumi Akiyama; Yoshihiko Kanemitsu

  APPLIED PHYSICS LETTERS, Oct. 2018, Peer-reviewed

  
• Lead‐Free Solar Cells based on Tin Halide Perovskite Films with High Coverage and Improved Aggregation

  J. Liu; M. Ozaki; S. Yakumaru; T. Handa; R. Nishikubo; Y. Kanemitsu; A. Saeki; Y. Murata; R. Murdey; A. Wakamiya

  Angew. Chem. Int. Ed., Sep. 2018, Peer-reviewed

  
• Intrinsic and extrinsic drops in open-circuit voltage and conversion efficiency in solar cells with quantum dots embedded in host materials

  Zhu Lin; Akiyama Hidefumi; Kanemitsu Yoshihiko

  SCIENTIFIC REPORTS, 03 Aug. 2018, Peer-reviewed

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• Quantum coherence of multiple excitons governs absorption cross-sections of PbS/CdS core/shell nanocrystals

  H. Tahara; M. Sakamoto; T. Teranishi; Y. Kanemitsu

  Nature Communications, Aug. 2018, Peer-reviewed

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• Radiative recombination and electron-phonon coupling in lead-free perovskite thin films

  Taketo Handa; Tomoko Aharen; Atsushi Wakamiya; Yoshihiko Kanemitsu

  Physical Review Materials, 06 Jul. 2018, Peer-reviewed

  
• Analysis of future generation solar cells and materials

  Yamaguchi Masafumi; Zhu Lin; Akiyama Hidefumi; Kanemitsu Yoshihiko; Tampo Hitoshi; Shibata Hajime; Lee Kan-Hua; Araki Kenji; Kojima Nobuaki

  JAPANESE JOURNAL OF APPLIED PHYSICS, Apr. 2018, Peer-reviewed

  
• Photorefractive Effect in Organic-Inorganic Hybrid Perovskites and Its Application to Optical Phase Shifter

  H. Tahara; T. Aharen; A. Wakamiya; Y. Kanemitsu

  Adv. Opt. Mater., Apr. 2018, Peer-reviewed

  
• Photophysics of organic-inorganic hybrid perovskite solar cells

  H. Tahara; T. Handa; Y. Kanemitsu

  Proc. of SPIE, Feb. 2018, Invited

  
• Near-Band-Edge Optical Responses of CH3NH3PbCl3 Single Crystals: Photon Recycling of Excitonic Luminescence

  Takumi Yamada; Tomoko Aharen; Yoshihiko Kanemitsu

  Physical Review Letters, 01 Feb. 2018, Peer-reviewed

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• Photoelectronic properties of lead-free CH3NH3SnI3 perovskite solar cell materials and devices

  Taketo Handa; Tomoko Aharen; Atsushi Wakamiya; Yoshihiko Kanemitsu

  ORGANIC, HYBRID, AND PEROVSKITE PHOTOVOLTAICS XIX, 2018, Peer-reviewed

  
• Review - Light Emission from Thin Film Solar Cell Materials: An Emergent Infrared and Visible Light Emitter

  Y. Kanemitsu; M. Okano; L. Q. Phuong; Y. Yamada

  ECS J. Solid State Sci. Technl., 2018, Peer-reviewed

  
• Suppression of Trion Formation in CsPbBr3 Perovskite Nanocrystals by Postsynthetic Surface Modification

  Nakahara, S.; Tahara, H.; Yumoto, G.; Kawawaki, T.; Saruyama, M.; Sato, R.; Teranishi, T.; Kanemitsu, Y.

  Journal of Physical Chemistry C, 2018, Peer-reviewed

  
• Hot Biexciton Effect on Optical Gain in CsPbI3 Perovskite Nanocrystals

  Yumoto, G.; Tahara, H.; Kawawaki, T.; Saruyama, M.; Sato, R.; Teranishi, T.; Kanemitsu, Y.

  Journal of Physical Chemistry Letters, 2018, Peer-reviewed

  
• Observation of positive and negative trions in organic-inorganic hybrid perovskite nanocrystals

  Yarita, N.; Aharen, T.; Tahara, H.; Saruyama, M.; Kawawaki, T.; Sato, R.; Teranishi, T.; Kanemitsu, Y.

  Physical Review Materials, 2018, Peer-reviewed

  
• Harmonic Quantum Coherence of Multiple Excitons in PbS/CdS Core-Shell Nanocrystals

  Hirokazu Tahara; Masanori Sakamoto; Toshiharu Teranishi; Yoshihiko Kanemitsu

  Physical Review Letters, 11 Dec. 2017, Peer-reviewed

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• Evaluation of subcell power conversion efficiencies of radiation-damaged triple-junction solar cells using photoluminescence decays

  David M. Tex; Toshiyuki Ihara; Tetsuya Nakamura; Mitsuru Imaizumi; Takeshi Ohshima; Yoshihiko Kanemitsu

  PROGRESS IN PHOTOVOLTAICS, Dec. 2017, Peer-reviewed

  
• Impact of Chemical Doping on Optical Responses in Bismuth-Doped CH3NH3PbBr3 Single Crystals: Carrier Lifetime and Photon Recycling

  Yasuhiro Yamada; Mizuki Hoyano; Ryo Akashi; Kenichi Oto; Yoshihiko Kanemitsu

  JOURNAL OF PHYSICAL CHEMISTRY LETTERS, Dec. 2017, Peer-reviewed

  
• High-Performance CsPb1−xSnxBr3 Perovskite Quantum Dots for Light-Emitting Diodes

  Hung-Chia Wang; Weigao Wang; An-Cih Tang; Hsin-Yu Tsai; Zhen Bao; Toshiyuki Ihara; Naoki Yarita; Hirokazu Tahara; Yoshihiko Kanemitsu; Shuming Chen; Ru-Shi Liu

  Angewandte Chemie - International Edition, 23 Oct. 2017, Peer-reviewed

  
• Free Carrier Radiative Recombination and Photon Recycling in Lead Halide Perovskite Solar Cell Materials

  Yasuhiro Yamada; Takumi Yamada; Yoshihiko Kanemitsu

  BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, Oct. 2017, Peer-reviewed

  
• Nonlinear photocarrier recombination dynamics in mixed-halide CH

  Phuong Le; Braly Ian; Katahara John; Hillhouse Hugh; Kanemitsu Yoshihiko

  Appl. Phys. Express, 15 Sep. 2017

  
• Photocarrier Recombination and Injection Dynamics in Long-Term Stable Lead-Free CH3NH3SnI3 Perovskite Thin Films and Solar Cells

  Taketo Handa; Takumi Yamada; Hirofumi Kubota; Shogo Ise; Yoshihiro Miyamoto; Yoshihiko Kanemitsu

  JOURNAL OF PHYSICAL CHEMISTRY C, Aug. 2017, Peer-reviewed

  
• Enhanced radiative recombination rate for electron-hole droplets in a silicon photonic crystal nanocavity

  Toshiyuki Ihara; Yasushi Takahashi; Susumu Noda; Yoshihiko Kanemitsu

  PHYSICAL REVIEW B, Jul. 2017, Peer-reviewed

  
• Simultaneously measured photoluminescence lifetime and quantum yield of two-photon cascade emission on single CdSe/ZnS nanocrystals

  Nao Hiroshige; Toshiyuki Ihara; Yoshihiko Kanemitsu

  PHYSICAL REVIEW B, Jun. 2017, Peer-reviewed

  
• Coulomb-Enhanced Radiative Recombination of Biexcitons in Single Giant-Shell CdSe/CdS Core/Shell Nanocrystals

  Nao Hiroshige; Toshiyuki Ihara; Masaki Saruyama; Toshiharu Teranishi; Yoshihiko Kanemitsu

  JOURNAL OF PHYSICAL CHEMISTRY LETTERS, May 2017, Peer-reviewed

  
• Direct evaluation of influence of electron damage on the subcell performance in triple-junction solar cells using photoluminescence decays

  David M. Tex; Tetsuya Nakamura; Mitsuru Imaizumi; Takeshi Ohshima; Yoshihiko Kanemitsu

  SCIENTIFIC REPORTS, May 2017, Peer-reviewed

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• A Stable, Soluble, and Crystalline Supramolecular System with a Triplet Ground State

  Tsukasa Futagoishi; Tomoko Aharen; Tatsuhisa Kato; Azusa Kato; Toshiyuki Ihara; Tomofumi Tada; Michihisa Murata; Atsushi Wakamiya; Hiroshi Kageyama; Yoshihiko Kanemitsu; Yasujiro Murata

  ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, Apr. 2017, Peer-reviewed

  
• Luminescence spectroscopy of lead-halide perovskites: materials properties and application as photovoltaic devices

  Yoshihiko Kanemitsu

  JOURNAL OF MATERIALS CHEMISTRY C, Apr. 2017, Peer-reviewed

  
• Charge Injection Mechanism at Heterointerfaces in CH3NH3PbI3 Perovskite Solar Cells Revealed by Simultaneous Time-Resolved Photoluminescence and Photocurrent Measurements

  Taketo Handa; David M. Tex; Ai Shimazaki; Atsushi Wakamiya; Yoshihiko Kanemitsu

  JOURNAL OF PHYSICAL CHEMISTRY LETTERS, Mar. 2017, Peer-reviewed

  
• Sensitive monitoring of photocarrier densities in the active layer of a photovoltaic device with time-resolved terahertz reflection spectroscopy

  Genki Yamashita; Eiichi Matsubara; Masaya Nagai; Changsu Kim; Hidefumi Akiyama; Yoshihiko Kanemitsu; Masaaki Ashida

  APPLIED PHYSICS LETTERS, Feb. 2017, Peer-reviewed

  
• Solvent-coordinated tin halide complexes as purified precursors for tin-based perovskites

  Masashi Ozaki; Yukie Katsuki; Jiewei Liu; Taketo Handa; Ryosuke Nishikubo; Shinya Yakumaru; Yoshifumi Hashikawa; Yasujiro Murata; Takashi Saito; Yuichi Shimakawa; Yoshihiko Kanemitsu; Akinori Saeki; Atsushi Wakamiya

  ACS Omega, 2017, Peer-reviewed

  
• Impact of Postsynthetic Surface Modification on Photoluminescence Intermittency in Formamidinium Lead Bromide Perovskite Nanocrystals

  Yarita, N.; Tahara, H.; Saruyama, M.; Kawawaki, T.; Sato, R.; Teranishi, T.; Kanemitsu, Y.

  Journal of Physical Chemistry Letters, 2017, Peer-reviewed

  
• Photon Emission and Reabsorption Processes in CH3NH3PbBr3 Single Crystals Revealed by Time-Resolved Two-Photon-Excitation Photoluminescence Microscopy

  Takumi Yamada; Yasuhiro Yamada; Yumi Nakaike; Atsushi Wakamiya; Yoshihiko Kanemitsu

  PHYSICAL REVIEW APPLIED, Jan. 2017, Peer-reviewed

  
• Review-Photophysics of Trions in Single-Walled Carbon Nanotubes

  Taishi Nishihara; Makoto Okano; Yasuhiro Yamada; Yoshihiko Kanemitsu

  ECS JOURNAL OF SOLID STATE SCIENCE AND TECHNOLOGY, 2017, Peer-reviewed

  
• Analyzing the Electrical Performance of a Solar Cell with Time-Resolved Photoluminescence: Methodology for Fast Optical Screening

  David M. Tex; Mitsuru Imaizumi; Yoshihiko Kanemitsu

  PHYSICAL REVIEW APPLIED, Jan. 2017, Peer-reviewed

  
• Dynamics of Charged Excitons and Biexcitons in CsPbBr3 Perovskite Nanocrystals Revealed by Femtosecond Transient-Absorption and Single-Dot Luminescence Spectroscopy

  Yarita, N.; Tahara, H.; Ihara, T.; Kawawaki, T.; Sato, R.; Saruyama, M.; Teranishi, T.; Kanemitsu, Y.

  Journal of Physical Chemistry Letters, 2017, Peer-reviewed

  
• Free Excitons and Exciton-Phonon Coupling in CH3NH3PbI3 Single Crystals Revealed by Photocurrent and Photoluminescence Measurements at Low Temperatures

  Le Quang Phuong; Yumi Nakaike; Atsushi Wakamiya; Yoshihiko Kanemitsu

  JOURNAL OF PHYSICAL CHEMISTRY LETTERS, Dec. 2016, Peer-reviewed

  
• Internal luminescence efficiencies in InGaP/GaAs/Ge triple-junction solar cells evaluated from photoluminescence through optical coupling between subcells

  David M. Tex; Mitsuru Imaizumi; Hidefumi Akiyama; Yoshihiko Kanemitsu

  Scientific Reports, Dec. 2016, Peer-reviewed

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• Spectral Diffusion of Emissions of Excitons and Trions in Single CdSe/ZnS Nanocrystals: Charge Fluctuations in and around Nanocrystals

  Hiroto Ibuki; Toshiyuki Ihara; Yoshihiko Kanemitsu

  JOURNAL OF PHYSICAL CHEMISTRY C, Oct. 2016, Peer-reviewed

  
• Intrinsic Trade-off between Up-Conversion and Trapping Rates in InAs Quantum Dots for Intermediate-Band Solar Cells

  David M. Tex; Kouichi Akahane; Yoshihiko Kanemitsu

  PHYSICAL REVIEW APPLIED, Oct. 2016, Peer-reviewed

  
• Charge Injection at the Heterointerface in Perovskite CH3NH3PbI3 Solar Cells Studied by Simultaneous Microscopic Photoluminescence and Photocurrent Imaging Spectroscopy

  Daiki Yamashita; Taketo Handa; Toshiyuki Ihara; Hirokazu Tahara; Ai Shimazaki; Atsushi Wakamiya; Yoshihiko Kanemitsu

  JOURNAL OF PHYSICAL CHEMISTRY LETTERS, Aug. 2016, Peer-reviewed

  
• Free Carriers versus Excitons in CH3NH3PbI3 Perovskite Thin Films at Low Temperatures: Charge Transfer from the Orthorhombic Phase to the Tetragonal Phase

  Le Quang Phuong; Yasuhiro Yamada; Masaya Nagai; Naoki Maruyama; Atsushi Wakamiya; Yoshihiko Kanemitsu

  JOURNAL OF PHYSICAL CHEMISTRY LETTERS, Jul. 2016, Peer-reviewed

  
• Interfacial Charge-Carrier Trapping in CH3NH3PbI3-Based Heterolayered Structures Revealed by Time-Resolved Photoluminescence Spectroscopy

  Yasuhiro Yamada; Takumi Yamada; Ai Shimazaki; Atsushi Wakamiya; Yoshihiko Kanemitsu

  JOURNAL OF PHYSICAL CHEMISTRY LETTERS, Jun. 2016, Peer-reviewed

  
• Characterizations of Radiation Damage in Multijunction Solar Cells Focused on Subcell Internal Luminescence Quantum Yields via Absolute Electroluminescence Measurements

  Lin Zhu; Masahiro Yoshita; Shaoqiang Chen; Tetsuya Nakamura; Toshimitsu Mochizuki; Changsu Kim; Mitsuru Imaizumi; Yoshihiko Kanemitsu; Hidefumi Akiyama

  IEEE JOURNAL OF PHOTOVOLTAICS, May 2016, Peer-reviewed

  
• Conversion efficiency limits and bandgap designs for multi-junction solar cells with internal radiative efficiencies below unity

  Lin Zhu; Toshimitsu Mochizuki; Masahiro Yoshita; Shaoqiang Chen; Changsu Kim; Hidefumi Akiyama; Yoshihiko Kanemitsu

  OPTICS EXPRESS, May 2016, Peer-reviewed

  
• Optical characterization of voltage-accelerated degradation in CH3NH3PbI3 perovskite solar cells

  Taketo Handa; David M. Tex; Ai Shimazaki; Aharen Atsushi Wakamiya; Yoshihiko Kanemitsu

  OPTICS EXPRESS, May 2016, Peer-reviewed

  
• Fast Free-Carrier Diffusion in CH3NH3PbBr3 Single Crystals Revealed by Time-Resolved One- and Two-Photon Excitation Photoluminescence Spectroscopy

  Takumi Yamada; Yasuhiro Yamada; Hidetaka Nishimura; Yumi Nakaike; Atsushi Wakamiya; Yasujiro Murata; Yoshihiko Kanemitsu

  ADVANCED ELECTRONIC MATERIALS, Mar. 2016, Peer-reviewed

  
• Observation of localized states in bulk GaAs using ultrafast photocurrent beat spectroscopy

  Hirokazu Tahara; Yoshihiko Kanemitsu

  APPLIED PHYSICS EXPRESS, Mar. 2016, Peer-reviewed

  
• Experimental Evidence of Localized Shallow States in Orthorhombic Phase of CH3NH3PbI3 Perovskite Thin Films Revealed by Photocurrent Beat Spectroscopy

  Hirokazu Tahara; Masaru Endo; Atsushi Wakamiya; Yoshihiko Kanemitsu

  JOURNAL OF PHYSICAL CHEMISTRY C, Mar. 2016, Peer-reviewed

  
• Impact of alkali doping on carrier transport in Cu2ZnSn(S,Se)(4) thin films for solar cell applications

  L. Q. Phuong; J. K. Katahara; G. Yamashita; M. Nagai; M. Ashida; H. W. Hillhouse; Y. Kanemitsu

  2016 IEEE 43RD PHOTOVOLTAIC SPECIALISTS CONFERENCE (PVSC), 2016, Peer-reviewed

  
• Universal behavior of time-resolved photoluminescence decays in III-V solar cells: comparison of subcell current generation dynamics

  David M. Tex; Tetsuya Nakamura; Mitsuru Imaizumi; Yoshihiko Kanemitsu

  2016 IEEE 43RD PHOTOVOLTAIC SPECIALISTS CONFERENCE (PVSC), 2016, Peer-reviewed

  
• Current Leakage and Fill Factor in Multi-Junction Solar Cells Linked via Absolute Electroluminescence Characterization

  Lin Zhu; Masahiro Yoshita; Tetsuya Nakamura; Toshimitsu Mochizuki; Changsu Kim; Mitsuru Imaizumi; Yoshihiko Kanemitsu; Hidefumi Akiyama

  2016 IEEE 43RD PHOTOVOLTAIC SPECIALISTS CONFERENCE (PVSC), 2016, Peer-reviewed

  
• Accuracy Evaluations for Standardization of Multi-Junction Solar-Cell Characterizations via Absolute Electroluminescence

  Masahiro Yoshita; Lin Zhu; Changsu Kim; Hidehiro Kubota; Tetsuya Nakamura; Mitsuru Imaizumi; Yoshihiko Kanemitsu; Hidefumi Akiyama

  2016 IEEE 43RD PHOTOVOLTAIC SPECIALISTS CONFERENCE (PVSC), 2016, Peer-reviewed

  
• Solar-cell radiance standard for absolute electroluminescence measurements and open-circuit voltage mapping of silicon solar modules

  Toshimitsu Mochizuki; Changsu Kim; Masahiro Yoshita; Jonathon Mitchell; Zhu Lin; Shaoqiang Chen; Hidetaka Takato; Yoshihiko Kanemitsu; Hidefumi Akiyama

  JOURNAL OF APPLIED PHYSICS, Jan. 2016, Peer-reviewed

  
• Carrier injection and recombination processes in perovskite CH3NH3PbI3 solar cells studied by electroluminescence spectroscopy

  Taketo Handa; Makoto Okano; David M. Tex; Ai Shimazaki; Tomoko Aharen; Atsushi Wakamiya; Yoshihiko Kanemitsu

  ORGANIC PHOTONIC MATERIALS AND DEVICES XVIII, 2016, Peer-reviewed

  
• Photoluminescence blinking and spectral diffusion of single CdSe/ZnS nanocrystals: charge fluctuation effects

  Hiroto Ibuki; Toshiyuki Ihara; Yoshihiko Kanemitsu

  QUANTUM DOTS AND NANOSTRUCTURES: GROWTH, CHARACTERIZATION, AND MODELING XIII, 2016, Peer-reviewed

  
• Calibration standards and measurement accuracy of absolute electroluminescence and internal properties in multi-junction and arrayed solar cells

  Masahiro Yoshita; Lin Zhu; Changsu Kim; Toshimitsu Mochizuki; Tetsuya Nakamura; Mitsuru Imaizumi; Shaoqiang Chen; Hidehiro Kubota; Yoshihiko Kanemitsu; Hidefumi Akiyama

  PHYSICS, SIMULATION, AND PHOTONIC ENGINEERING OF PHOTOVOLTAIC DEVICES V, 2016, Peer-reviewed

  
• Characterization and modeling of radiation damages via internal radiative efficiency in multi-junction solar cells

  Lin Zhu; Masahiro Yoshita; Tetsuya Nakamura; Mitsuru Imaizumi; Changsu Kim; Toshimitsu Mochizuki; Shaoqiang Chen; Yoshihiko Kanemitsu; Hidefumi Akiyama

  PHYSICS, SIMULATION, AND PHOTONIC ENGINEERING OF PHOTOVOLTAIC DEVICES V, 2016, Peer-reviewed

  
• Light-stimulated carrier dynamics of CuInS2/CdS heterotetrapod nanocrystals

  Masanori Sakamoto; Koki Inoue; Makoto Okano; Masaki Saruyama; Sungwon Kim; Yeong-Gi So; Koji Kimoto; Yoshihiko Kanemitsu; Toshiharu Teranishi

  NANOSCALE, 2016, Peer-reviewed

  
• Photoelectrical properties of undoped and Na-doped Cu2ZnSnS4 single crystals measured by optical time-resolved spectroscopy

  Phuong L; Okano M; Yamada Y; Nagaoka A; Yoshino K; Kanemitsu Y

  2015 IEEE 42nd Photovoltaic Specialist Conference, PVSC 2015, 14 Dec. 2015

  
• Dynamics of the Lowest-Energy Excitons in Single-Walled Carbon Nanotubes under Resonant and Nonresonant Optical Excitation

  Taishi Nishihara; Yasuhiro Yamada; Makoto Okano; Yoshihiko Kanemitsu

  JOURNAL OF PHYSICAL CHEMISTRY C, Dec. 2015, Peer-reviewed

  
• Optical and transport properties of transparent conducting La-doped SrSnO3 thin films

  Erina Baba; Daisuke Kan; Yasuhiro Yamada; Mitsutaka Haruta; Hiroki Kurata; Yoshihiko Kanemitsu; Yuichi Shimakawa

  JOURNAL OF PHYSICS D-APPLIED PHYSICS, Nov. 2015, Peer-reviewed

  
• Charge separation in subcells of triple-junction solar cells revealed by time-resolved photoluminescence spectroscopy

  David M. Tex; Mitsuru Imaizumi; Yoshihiko Kanemitsu

  OPTICS EXPRESS, Nov. 2015, Peer-reviewed

  
• Degradation mechanism of perovskite CH

  Okano Makoto; Endo Masaru; Wakamiya Atsushi; Yoshita Masahiro; Akiyama Hidefumi; Kanemitsu Yoshihiko

  Appl. Phys. Express, 05 Oct. 2015

  
• Degradation mechanism of perovskite CH3NH3PbI3 diode devices studied by electroluminescence and photoluminescence imaging spectroscopy

  Makoto Okano; Masaru Endo; Atsushi Wakamiya; Masahiro Yoshita; Hidefumi Akiyama; Yoshihiko Kanemitsu

  APPLIED PHYSICS EXPRESS, Oct. 2015, Peer-reviewed

  
• Absorption cross-section spectrum of single CdSe/ZnS nanocrystals revealed through photoluminescence excitation spectroscopy

  Toshiyuki Ihara; Yoshihiko Kanemitsu

  PHYSICAL REVIEW B, Oct. 2015, Peer-reviewed

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• Photoluminescence of monovalent indium centres in phosphate glass

  Hirokazu Masai; Yasuhiro Yamada; Shun Okumura; Takayuki Yanagida; Yutaka Fujimoto; Yoshihiko Kanemitsu; Toshiaki Ina

  SCIENTIFIC REPORTS, Sep. 2015, Peer-reviewed

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• Free-carrier dynamics and band tails in Cu2ZnSn(SxSe1-x)4: Evaluation of factors determining solar cell efficiency

  Le Quang Phuong; Makoto Okano; Genki Yamashita; Masaya Nagai; Masaaki Ashida; Akira Nagaoka; Kenji Yoshino; Yoshihiko Kanemitsu

  PHYSICAL REVIEW B, Sep. 2015, Peer-reviewed

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• Dynamic Optical Properties of CH(3)NH(3)Pbl(3) Single Crystals As Revealed by One- and Two-Photon Excited Photoluminescence Measurements

  Yasuhiro Yamada; Takumi Yamada; Le Quang Phuong; Naoki Maruyama; Hidetaka Nishimura; Atsushi Wakamiya; Yasujiro Murata; Yoshihiko Kanemitsu

  JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, Aug. 2015, Peer-reviewed

  
• Femtosecond upconverted photocurrent spectroscopy of InAs quantum nanostructures

  Yasuhiro Yamada; David M. Tex; Itaru Kamiya; Yoshihiko Kanemitsu

  APPLIED PHYSICS LETTERS, Jul. 2015, Peer-reviewed

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• Photocarrier dynamics in undoped and Na-doped Cu2ZnSnS4 single crystals revealed by ultrafast time-resolved terahertz spectroscopy

  Le Quang Phuong; Makoto Okano; Genki Yamashita; Masaya Nagai; Masaaki Ashida; Akira Nagaoka; Kenji Yoshino; Yoshihiko Kanemitsu

  APPLIED PHYSICS EXPRESS, Jun. 2015, Peer-reviewed

  
• Tin-Doped Inorganic Amorphous Films for Use as Transparent Monolithic Phosphors

  Hirokazu Masai; Hiroki Miyata; Yasuhiro Yamada; Shun Okumura; Takayuki Yanagida; Yoshihiko Kanemitsu

  SCIENTIFIC REPORTS, Jun. 2015, Peer-reviewed

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• Photocarrier dynamics in CIGS, CZTS, and related materials revealed by ultrafast optical spectroscopy

  Makoto Okano; Le Quang Phuong; Yoshihiko Kanemitsu

  PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS, Jun. 2015, Peer-reviewed

  
• Individual identification of free hole and electron dynamics in CuIn1-xGaxSe2 thin films by simultaneous monitoring of two optical transitions

  Makoto Okano; Hideki Hagiya; Takeaki Sakurai; Katsuhiro Akimoto; Hajime Shibata; Shigeru Niki; Yoshihiko Kanemitsu

  APPLIED PHYSICS LETTERS, May 2015, Peer-reviewed

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• Photoinduced Carrier Dynamics of Nearly Stoichiometric Oleylamine-Protected Copper Indium Sulfide Nanoparticles and Nanodisks

  Masanori Sakamoto; Lihui Chen; Makoto Okano; David M. Tex; Yoshihiko Kanemitsu; Toshiharu Teranishi

  JOURNAL OF PHYSICAL CHEMISTRY C, May 2015, Peer-reviewed

  
• Fast Dissociation and Reduced Auger Recombination of Multiple Excitons in Closely Packed PbS Nanocrystal Thin Films

  Taishi Nishihara; Hirokazu Tahara; Makoto Okano; Masashi Ono; Yoshihiko Kanemitsu

  Journal of Physical Chemistry Letters, Apr. 2015, Peer-reviewed

  
• Errautm: "intrinsic carrier multiplication efficiency in bulk Si crystals evaluated by optical-pump/terahertz-probe spectroscopy" (Applied Physics Letters (2014)) 105 231118))

  G. Yamashita; E. Matsubara; M. Nagai; Y. Kanemitsu; M. Ashida

  Applied Physics Letters, 02 Feb. 2015, Peer-reviewed

  
• Spontaneous Defect Annihilation in CH3NH3PbI3 Thin Films at Room Temperature Revealed by Time-Resolved Photoluminescence Spectroscopy

  Yasuhiro Yamada; Masaru Endo; Atsushi Wakamiya; Yoshihiko Kanemitsu

  JOURNAL OF PHYSICAL CHEMISTRY LETTERS, Feb. 2015, Peer-reviewed

  
• Photocarrier recombination dynamics in perovskite semiconductor SrTiO3

  Yasuhiro Yamada; Yoshihiko Kanemitsu

  Springer Series in Materials Science, 2015, Peer-reviewed

  
• Photoelectronic Responses in Solution-Processed Perovskite CH3NH3PbI3 Solar Cells Studied by Photoluminescence and Photoabsorption Spectroscopy

  Yasuhiro Yamada; Toru Nakamura; Masaru Endo; Atsushi Wakamiya; Yoshihiko Kanemitsu

  IEEE JOURNAL OF PHOTOVOLTAICS, Jan. 2015, Peer-reviewed

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• Time-resolved photoluminescence measurements for determining voltage-dependent charge-separation efficiencies of subcells in triple-junction solar cells

  David M. Tex; Toshiyuki Ihara; Hidefumi Akiyama; Mitsuru Imaizumi; Yoshihiko Kanemitsu

  APPLIED PHYSICS LETTERS, Jan. 2015, Peer-reviewed

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• Thorough subcells diagnosis in a multi-junction solar cell via absolute electroluminescence-efficiency measurements

  Shaoqiang Chen; Lin Zhu; Masahiro Yoshita; Toshimitsu Mochizuki; Changsu Kim; Hidefumi Akiyama; Mitsuru Imaizumi; Yoshihiko Kanemitsu

  SCIENTIFIC REPORTS, Jan. 2015, Peer-reviewed

  
• Multi-junction-solar-cell designs and characterizations based on detailed-balance principle and luminescence yields

  Hidefumi Akiyama; Lin Zhu; Masahiro Yoshita; Changsu Kim; Shaoqiang Chen; Toshimitsu Mochizuki; Yoshihiko Kanemitsu

  PHYSICS SIMULATION AND PHOTONIC ENGINEERING OF PHOTOVOLTAIC DEVICES IV, 2015, Peer-reviewed

  
• Ultrafast free-carrier dynamics in Cu2ZnSnS4 single crystals studied using femtosecond time-resolved optical spectroscopy

  L. Q. Phuong; M. Okano; Y. Yamada; G. Yamashita; T. Morimoto; M. Nagai; M. Ashida; A. Nagaoka; K. Yoshino; Y. Kanemitsu

  APPLIED PHYSICS LETTERS, Dec. 2014, Peer-reviewed

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• Intrinsic carrier multiplication efficiency in bulk Si crystals evaluated by optical-pump/terahertz-probe spectroscopy

  G. Yamashita; E. Matsubara; M. Nagai; Y. Kanemitsu; M. Ashida

  APPLIED PHYSICS LETTERS, Dec. 2014, Peer-reviewed

  
• Dynamical coherent control of photocurrent in bulk GaAs at room temperature

  Hirokazu Tahara; Yoshihiko Kanemitsu

  PHYSICAL REVIEW B, Dec. 2014, Peer-reviewed

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• Spectral diffusion of neutral and charged exciton transitions in single CdSe/ZnS nanocrystals due to quantum-confined Stark effect

  Toshiyuki Ihara; Yoshihiko Kanemitsu

  PHYSICAL REVIEW B, Nov. 2014, Peer-reviewed

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• Assessment of Hot-Carrier Effects on Charge Separation in Type-II CdS/CdTe Heterostructured Nanorods

  Makoto Okano; Masanori Sakamoto; Toshiharu Teranishi; Yoshihiko Kanemitsu

  JOURNAL OF PHYSICAL CHEMISTRY LETTERS, Sep. 2014, Peer-reviewed

  
• Photocarrier Recombination Dynamics in Perovskite CH3NH3PbI3 for Solar Cell Applications

  Yasuhiro Yamada; Toru Nakamura; Masaru Endo; Atsushi Wakamiya; Yoshihiko Kanemitsu

  JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, Aug. 2014, Peer-reviewed

  
• Delocalized and localized charged excitons in single CdSe/CdS dot-in-rods revealed by polarized photoluminescence blinking

  Toshiyuki Ihara; Ryota Sato; Toshiharu Teranishi; Yoshihiko Kanemitsu

  PHYSICAL REVIEW B, Jul. 2014, Peer-reviewed

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• Chemical doping-induced changes in optical properties of single-walled carbon nanotubes

  Makoto Okano; Taishi Nishihara; Yasuhiro Yamada; Yoshihiko Kanemitsu

  JAPANESE JOURNAL OF APPLIED PHYSICS, May 2014, Peer-reviewed

  
• Temperature and light-intensity dependence of upconverted photocurrent generation in shallow InAs quantum structures

  David M. Tex; Toshiyuki Ihara; Itaru Kamiya; Yoshihiko Kanemitsu

  JAPANESE JOURNAL OF APPLIED PHYSICS, May 2014, Peer-reviewed

  
• Slow intraband relaxation and localization of photogenerated carriers in CuIn1-xGaxSe2 thin films: Evidence for the existence of long-lived high-energy carriers

  Makoto Okano; Yutaro Takabayashi; Takeaki Sakurai; Katsuhiro Akimoto; Hajime Shibata; Shigeru Niki; Yoshihiko Kanemitsu

  PHYSICAL REVIEW B, May 2014, Peer-reviewed

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• Spatial density profile of electrons near the LaAlO3/SrTiO3 heterointerface revealed by time-resolved photoluminescence spectroscopy

  Yasuhiro Yamada; Hiroki K. Sato; Yasuyuki Hikita; Harold Y. Hwang; Yoshihiko Kanemitsu

  APPLIED PHYSICS LETTERS, Apr. 2014, Peer-reviewed

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• Microscopic photoluminescence and photocurrent imaging spectroscopy of InAs nanostructures: Identification of photocarrier generation sites for intermediate-band solar cells

  David M. Tex; Toshiyuki Ihara; Itaru Kamiya; Yoshihiko Kanemitsu

  PHYSICAL REVIEW B, Mar. 2014, Peer-reviewed

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• Near-band-edge optical responses of solution-processed organic-inorganic hybrid perovskite CH3NH3PbI3 on mesoporous TiO2 electrodes

  Yasuhiro Yamada; Toru Nakamura; Maseru Endo; Atsushi Wakamiya; Yoshihiko Kanemitsu

  APPLIED PHYSICS EXPRESS, Mar. 2014, Peer-reviewed

  
• Temperature-dependent photocarrier recombination dynamics in Cu2ZnSnS4 single crystals

  Le Quang Phuong; Makoto Okano; Yasuhiro Yamada; Akira Nagaoka; Kenji Yoshino; Yoshihiko Kanemitsu

  APPLIED PHYSICS LETTERS, Feb. 2014, Peer-reviewed

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• Control of hot-carrier relaxation for realizing ideal quantum-dot intermediate-band solar cells

  David M. Tex; Itaru Kamiya; Yoshihiko Kanemitsu

  SCIENTIFIC REPORTS, Feb. 2014, Peer-reviewed

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• Quantized exciton-exciton recombination in undoped and hole-doped single-walled carbon nanotubes

  Taishi Nishihara; Yasuhiro Yamada; Makoto Okano; Yoshihiko Kanemitsu

  JAPANESE JOURNAL OF APPLIED PHYSICS, Feb. 2014, Peer-reviewed

  
• Impact of sub-cell internal luminescence yields on energy conversion efficiencies of tandem solar cells: A design principle

  Lin Zhu; Changsu Kim; Masahiro Yoshita; Shaoqiang Chen; Shintaroh Sato; Toshimitsu Mochizuki; Hidefumi Akiyama; Yoshihiko Kanemitsu

  APPLIED PHYSICS LETTERS, Jan. 2014, Peer-reviewed

  
• Measurement of transient photoabsorption and photocurrent of BiFeO3 thin films: Evidence for long-lived trapped photocarriers

  Yasuhiro Yamada; Toru Nakamura; Shintaro Yasui; Hiroshi Funakubo; Yoshihiko Kanemitsu

  PHYSICAL REVIEW B, Jan. 2014, Peer-reviewed

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• Band-to-band photoluminescence as a probe of electron carriers in Nb-doped SrTiO3 epitaxial thin films

  Daisuke Kan; Takuya Shinnizu; Yasuhiro Yamada; Ryotaro Aso; Hiroki Kurata; Yoshihiko Kanernitsu; Yuichi Shimakawa

  APPLIED PHYSICS EXPRESS, Jan. 2014, Peer-reviewed

  
• Photocarrier recombination and localization dynamics of LaAlO3/SrTiO3 heterostructures

  Y. Yamada; H. K. Sato; Y. Hikita; H. Y. Hwang; Y. Kanemitsu

  OXIDE-BASED MATERIALS AND DEVICES V, 2014, Peer-reviewed

  
• Exciton recombination dynamics in nanoring cycloparaphenylenes

  Taishi Nishihara; Yasutomo Segawa; Kenichiro Itami; Yoshihiko Kanemitsu

  CHEMICAL SCIENCE, 2014, Peer-reviewed

  
• Impact of surface ligands on the photocurrent enhancement due to multiple exciton generation in close-packed nanocrystal thin films

  Masashi Ono; Taishi Nishihara; Toshiyuki Ihara; Makoto Kikuchi; Atsushi Tanaka; Masayuki Suzuki; Yoshihiko Kanemitsu

  CHEMICAL SCIENCE, 2014, Peer-reviewed

  
• Investigation on photo-induced charge separation in CdS/CdTe nanopencils

  Masanori Sakamoto; Koki Inoue; Masaki Saruyama; Yeong-Gi So; Koji Kimoto; Makoto Okano; Yoshihiko Kanemitsu; Toshiharu Teranishi

  CHEMICAL SCIENCE, 2014, Peer-reviewed

  
• Narrow energy gap between triplet and singlet excited states of SN2+ in borate glass

  Hirokazu Masai; Yasuhiro Yamada; Yuto Suzuki; Kentaro Teramura; Yoshihiko Kanemitsu; Toshinobu Yoko

  Scientific Reports, 18 Dec. 2013

  
• Photocarrier localization and recombination dynamics in Cu2ZnSnS4 single crystals

  Le Quang Phuong; Makoto Okano; Yasuhiro Yamada; Akira Nagaoka; Kenji Yoshino; Yoshihiko Kanemitsu

  APPLIED PHYSICS LETTERS, Nov. 2013, Peer-reviewed

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• Biexciton state causes photoluminescence fluctuations in CdSe/ZnS core/shell quantum dots at high photoexcitation densities

  N. Yoshikawa; H. Hirori; H. Watanabe; T. Aoki; T. Ihara; R. Kusuda; C. Wolpert; T. K. Fujiwara; A. Kusumi; Y. Kanemitsu; K. Tanaka

  PHYSICAL REVIEW B, Oct. 2013, Peer-reviewed

  
• Photoluminescence of a Te4+ center in zinc borate glass

  Hirokazu Masai; Yasuhiro Yamada; Shun Okumura; Yoshihiko Kanemitsu; Toshinobu Yoko

  OPTICS LETTERS, Oct. 2013, Peer-reviewed

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• Measurement of the femtosecond optical absorption of LaAlO 3/SrTiO3 heterostructures: Evidence for an extremely slow electron relaxation at the interface

  Yasuhiro Yamada; Hiroki K. Sato; Yasuyuki Hikita; Harold Y. Hwang; Yoshihiko Kanemitsu

  Physical Review Letters, 24 Jul. 2013, Peer-reviewed

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• Trion formation and recombination dynamics in hole-doped single-walled carbon nanotubes

  Taishi Nishihara; Yasuhiro Yamada; Makoto Okano; Yoshihiko Kanemitsu

  APPLIED PHYSICS LETTERS, Jul. 2013, Peer-reviewed

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• Multiple exciton generation and recombination in carbon nanotubes and nanocrystals

  Yoshihiko Kanemitsu

  Accounts of Chemical Research, 18 Jun. 2013, Peer-reviewed

  
• Determination of Phase Diagram of Electron-Hole Systems in 4H-SiC

  Daisuke Hirano; Tsunenobu Kimoto; Yoshihiko Kanemitsu

  JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, Jun. 2013, Peer-reviewed

  
• Efficient upconverted photocurrent through an Auger process in disklike InAs quantum structures for intermediate-band solar cells

  David M. Tex; Itaru Kamiya; Yoshihiko Kanemitsu

  PHYSICAL REVIEW B, Jun. 2013, Peer-reviewed

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• Observation of excited-state excitons and band-gap renormalization in hole-doped carbon nanotubes using photoluminescence excitation spectroscopy

  Yoshio Kimoto; Makoto Okano; Yoshihiko Kanemitsu

  Physical Review B - Condensed Matter and Materials Physics, 09 May 2013, Peer-reviewed

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• Multiple exciton generation and recombination in carbon nanotubes and nanocrystals

  Y. Kanemitsu

  Accounts of Chemical Research, 2013, Peer-reviewed

  
• Photoluminescence spectra of perovskite oxide semiconductors

  Yasuhiro Yamada; Yoshihiko Kanemitsu

  Journal of Luminescence, Jan. 2013, Peer-reviewed

  
• Blue 6-ps short-pulse generation in gain-switched InGaN vertical-cavity surface-emitting lasers via impulsive optical pumping

  S. Chen; M. Okano; B. Zhang; M. Yoshita; H. Akiyama; Y. Kanemitsu

  Applied Physics Letters, 05 Nov. 2012, Peer-reviewed

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• Excited States in Cycloparaphenylenes: Dependence of Optical Properties on Ring Length

  Taishi Nishihara; Yasutomo Segawa; Kenichiro Itami; Yoshihiko Kanemitsu

  JOURNAL OF PHYSICAL CHEMISTRY LETTERS, Nov. 2012, Peer-reviewed

  
• Breakdown of the k-conservation rule in quantized Auger recombination in Si 1-xGe x nanocrystals

  Kei Ueda; Takeshi Tayagaki; Masatoshi Fukuda; Minoru Fujii; Yoshihiko Kanemitsu

  Physical Review B - Condensed Matter and Materials Physics, 22 Oct. 2012, Peer-reviewed

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• Influence of Thermal Annealing on the Carrier Extraction in Ge/Si Quantum Dot Solar Cells

  Takeshi Tayagaki; Noritaka Usami; Yoshihiko Kanemitsu

  JAPANESE JOURNAL OF APPLIED PHYSICS, Oct. 2012, Peer-reviewed

  
• Determination of electron and hole lifetimes of rutile and anatase TiO 2 single crystals

  Yasuhiro Yamada; Yoshihiko Kanemitsu

  Applied Physics Letters, 24 Sep. 2012, Peer-reviewed

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• Enhanced carrier extraction from Ge quantum dots in Si solar cells under strong photoexcitation

  Takeshi Tayagaki; Noritaka Usami; Wugen Pan; Yusuke Hoshi; Kazufumi Ooi; Yoshihiko Kanemitsu

  APPLIED PHYSICS LETTERS, Sep. 2012, Peer-reviewed

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• High-density carrier dynamics in Ge/Si quantum dots studied by time-resolved photoluminescence spectroscopy

  Kei Ueda; Takeshi Tayagaki; Susumu Fukatsu; Yoshihiko Kanemitsu

  JOURNAL OF NON-CRYSTALLINE SOLIDS, Sep. 2012, Peer-reviewed

  
• Observation of high Rydberg states of one-dimensional excitons in GaAs quantum wires by magnetophotoluminescence excitation spectroscopy

  Makoto Okano; Yoshihiko Kanemitsu; Shaoqiang Chen; Toshimitsu Mochizuki; Masahiro Yoshita; Hidefumi Akiyama; Loren N. Pfeiffer; Ken W. West

  PHYSICAL REVIEW B, Aug. 2012, Peer-reviewed

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• Dynamics of exciton-hole recombination in hole-doped single-walled carbon nanotubes

  Taishi Nishihara; Yasuhiro Yamada; Yoshihiko Kanemitsu

  PHYSICAL REVIEW B, Aug. 2012, Peer-reviewed

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• Recombination Dynamics of High-Density Photocarriers in Type-II Ge/Si Quantum Dots

  Takeshi Tayagaki; Kei Ueda; Susumu Fukatsu; Yoshihiko Kanemitsu

  JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, Jun. 2012, Peer-reviewed

  
• Band-edge luminescence from SrTiO3: No polaron effect

  Yasuhiro Yamada; Yoshihiko Kanemitsu

  THIN SOLID FILMS, Mar. 2012, Peer-reviewed

  
• Near-field photoluminescence spectroscopy of CdTe/Cd0.75Mn0.25Te tilted superlattices

  Yukihiro Harada; Takashi Kita; Kazunari Matsuda; Yoshihiko Kanemitsu; Henri Mariette

  PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 9, NO 2, 2012, Peer-reviewed

  
• Determination of electron and hole lifetimes of rutile and anatase TiO₂ single crystals

  Y. Yamada; Y. Kanemitsu

  Appl. Phys. Lett., 101, 133907/1-133907/4, 2012, Peer-reviewed

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• Spontaneous Formation of Wurzite-CdS/Zinc Blende-CdTe Heterodimers through a Partial Anion Exchange Reaction

  Masaki Saruyama; Yeong-Gi So; Koji Kimoto; Seiji Taguchi; Yoshihiko Kanemitsu; Toshiharu Teranishi

  JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, Nov. 2011, Peer-reviewed

  
• Raman study on the interlayer interactions and the band structure of bilayer graphene synthesized by alcohol chemical vapor deposition

  Makoto Okano; Ryusuke Matsunaga; Kazunari Matsuda; Satoru Masubuchi; Tomoki Machida; Yoshihiko Kanemitsu

  APPLIED PHYSICS LETTERS, Oct. 2011, Peer-reviewed

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• Blue photoluminescence and Auger recombination of carriers in SrTiO3 nanoparticles

  Yasuhiro Yamada; Keigo Suzuki; Yoshihiko Kanemitsu

  APPLIED PHYSICS LETTERS, Aug. 2011, Peer-reviewed

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• Blue light emission from strongly photoexcited and electron-doped SrTiO3

  Yasuhiro Yamada; Yoshihiko Kanemitsu

  Journal of Applied Physics, 15 May 2011, Peer-reviewed

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• Blue light emission from strongly photoexcited and electron-doped SrTiO3

  Yasuhiro Yamada; Yoshihiko Kanemitsu

  JOURNAL OF APPLIED PHYSICS, May 2011, Peer-reviewed

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• Quantized Auger recombination of biexcitons in CdSe nanorods studied by time-resolved photoluminescence and transient-absorption spectroscopy

  Seiji Taguchi; Masaki Saruyama; Toshiharu Teranishi; Yoshihiko Kanemitsu

  PHYSICAL REVIEW B, Apr. 2011, Peer-reviewed

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• Energy transfer between excitons and plasmons in semiconductor-metal hybrid nanostructures

  Yoshihiko Kanemitsu; Kazunari Matsuda

  JOURNAL OF LUMINESCENCE, Mar. 2011, Peer-reviewed

  
• Light emission from SrTiO3

  Yoshihiko Kanemitsu; Yasuhiro Yamada

  PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS, Feb. 2011, Peer-reviewed

  
• Observation of Charged Excitons in Hole-Doped Carbon Nanotubes Using Photoluminescence and Absorption Spectroscopy

  Ryusuke Matsunaga; Kazunari Matsuda; Yoshihiko Kanemitsu

  PHYSICAL REVIEW LETTERS, Jan. 2011, Peer-reviewed

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• Auger recombination in Si1-xGex/Si quantum wells under high-density photoexcitation

  Takeshi Tayagaki; Susumu Fukatsu; Yoshihiko Kanemitsu

  PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 8, NO 3, 2011, Peer-reviewed

  
• Excitons in semiconducting carbon nanotubes: diameter-dependent photoluminescence spectra

  Yoshihiko Kanemitsu

  PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 2011, Peer-reviewed

  
• Light Emission from Silicon Nanoparticles and Related Materials

  Y. Kanemitsu

  Comprehensive Semiconductor Science and Technology, 01 Jan. 2011, Peer-reviewed

  
• Band-to-band photoluminescence in SrTiO3

  Yasuhiro Yamada; Yoshihiko Kanemitsu

  Physical Review B - Condensed Matter and Materials Physics, 17 Sep. 2010, Peer-reviewed

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• Ultrafast decay of photoluminescence from high-density excitons in AlxGa1-xN mixed crystals: Diffusive propagation of exciton-polaritons

  Daisuke Hirano; Takeshi Tayagaki; Yoichi Yamada; Yoshihiko Kanemitsu

  PHYSICAL REVIEW B, Sep. 2010, Peer-reviewed

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• Blue photoluminescence of highly photoexcited rutile TiO2: Nearly degenerate conduction-band effects

  Yasuhiro Yamada; Yoshihiko Kanemitsu

  PHYSICAL REVIEW B, Sep. 2010, Peer-reviewed

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• Band-to-band photoluminescence in SrTiO3

  Yasuhiro Yamada; Yoshihiko Kanemitsu

  PHYSICAL REVIEW B, Sep. 2010, Peer-reviewed

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• Photoluminescence Spectra and Dynamics of Al3+- and Ag+-Doped CdS Nanocrystals

  Atsushi Ishizumi; Yoshihiko Kanemitsu

  JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, Sep. 2010, Peer-reviewed

  
• Plasmon-assisted photoluminescence enhancement of single-walled carbon nanotubes on metal surfaces

  Takerou Sakashita; Yuhei Miyauchi; Kazunari Matsuda; Yoshihiko Kanemitsu

  APPLIED PHYSICS LETTERS, Aug. 2010, Peer-reviewed

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• Length-Dependent Photoluminescence Lifetimes in Single-Walled Carbon Nanotubes

  Yuhei Miyauchi; Kazunari Matsuda; Yuki Yamamoto; Naotoshi Nakashima; Yoshihiko Kanemitsu

  JOURNAL OF PHYSICAL CHEMISTRY C, Aug. 2010, Peer-reviewed

  
• Plasmon-assisted photoluminescence enhancement of single-walled carbon nanotubes on metal surfaces

  Takerou Sakashita; Yuhei Miyauchi; Kazunari Matsuda; Yoshihiko Kanemitsu

  APPLIED PHYSICS LETTERS, Aug. 2010, Peer-reviewed

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• Multicarrier Recombination and Energy Transfer in Mn-Doped CdS Nanocrystals Studied by Femtosecond Pump-Probe Spectroscopy

  Seiji Taguchi; Atsushi Ishizumi; Yoshihiko Kanemitsu

  JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, Jun. 2010, Peer-reviewed

  
• Synthesis, Structures, and Reactivity of Kinetically Stabilized Anthryldiphosphene Derivatives

  Akihiro Tsurusaki; Noriyoshi Nagahora; Takahiro Sasamori; Kazunari Matsuda; Yoshihiko Kanemitsu; Yasuaki Watanabe; Yoshinobu Hosoi; Yukio Furukawa; Norihiro Tokitoh

  BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, May 2010, Peer-reviewed

  
• Exciton Transport in Suspended Single Carbon Nanotubes Studied by Photoluminescence Imaging Spectroscopy

  Kohei Yoshikawa; Kazunari Matsuda; Yoshihiko Kanemitsu

  JOURNAL OF PHYSICAL CHEMISTRY C, Mar. 2010, Peer-reviewed

  
• Luminescence and energy-transfer mechanisms in Eu3+ -doped GaN epitaxial films

  Shinya Higuchi; Atsushi Ishizumi; Junji Sawahata; Katsuhiro Akimoto; Yoshihiko Kanemitsu

  Physical Review B - Condensed Matter and Materials Physics, 21 Jan. 2010, Peer-reviewed

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• Origin of low-energy photoluminescence peaks in single carbon nanotubes: K -momentum dark excitons and triplet dark excitons

  Ryusuke Matsunaga; Kazunari Matsuda; Yoshihiko Kanemitsu

  Physical Review B - Condensed Matter and Materials Physics, 07 Jan. 2010, Peer-reviewed

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• Localization dynamics of biexcitons and electron-hole plasmas in GaN-based mixed crystals

  Daisuke Hirano; Takeshi Tayagaki; Yoichi Yamada; Yoshihiko Kanemitsu

  PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE, Jan. 2010, Peer-reviewed

  
• Nonradiative exciton decay dynamics in hole-doped single-walled carbon nanotubes

  Kazunari Matsuda; Yuhei Miyauchi; Takero Sakashita; Yoshihiko Kanemitsu

  PHYSICAL REVIEW B, Jan. 2010, Peer-reviewed

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• Origin of low-energy photoluminescence peaks in single carbon nanotubes: K-momentum dark excitons and triplet dark excitons

  Ryusuke Matsunaga; Kazunari Matsuda; Yoshihiko Kanemitsu

  PHYSICAL REVIEW B, Jan. 2010, Peer-reviewed

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• Control of Auger Recombination Rate in Si1-xGex/Si Heterostructures

  Takeshi Tayagaki; Susumu Fukatsu; Yoshihiko Kanemitsu

  JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, Jan. 2010, Peer-reviewed

  
• Luminescence and energy-transfer mechanisms in Eu3+-doped GaN epitaxial films

  Shinya Higuchi; Atsushi Ishizumi; Junji Sawahata; Katsuhiro Akimoto; Yoshihiko Kanemitsu

  PHYSICAL REVIEW B, Jan. 2010, Peer-reviewed

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• Quantized Auger recombination and carrier multiplication in semiconductor nanoparticles and carbon nanotubes

  Seiji Taguchi; Akihiro Ueda; Takeshi Tayagaki; Kazunari Matsuda; Yoshihiko Kanemitsu

  PHYSICA STATUS SOLIDI C - CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 7 NO 3-4, 2010, Peer-reviewed

  
• Localization dynamics of biexcitons and electron-hole plasmas in GaN-based mixed crystals

  Daisuke Hirano; Takeshi Tayagaki; Yoichi Yamada; Yoshihiko Kanemitsu

  PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE, Jan. 2010, Peer-reviewed

  
• Direct observation of dark exciton states in single carbon nanotubes

  Ryusuke Matsunaga; Kazunari Matsuda; Yoshihiko Kanemitsu

  JOURNAL OF LUMINESCENCE, Dec. 2009, Peer-reviewed

  
• Femtosecond excitation correlation spectroscopy of single-walled carbon nanotubes: Analysis based on nonradiative multiexciton recombination processes

  Yuhei Miyauchi; Kazunari Matsuda; Yoshihiko Kanemitsu

  PHYSICAL REVIEW B, Dec. 2009, Peer-reviewed

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• Photocarrier recombination dynamics in highly excited SrTiO3 studied by transient absorption and photoluminescence spectroscopy

  Yasuhiro Yamada; Hideki Yasuda; Takeshi Tayagaki; Yoshihiko Kanemitsu

  APPLIED PHYSICS LETTERS, Sep. 2009, Peer-reviewed

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• Symmetry-induced nonequilibrium distributions of bright and dark exciton states in single carbon nanotubes

  Ryusuke Matsunaga; Yuhei Miyauchi; Kazunari Matsuda; Yoshihiko Kanemitsu

  PHYSICAL REVIEW B, Sep. 2009, Peer-reviewed

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• Dynamics of Quantized Auger Recombination in CdSe Nanocrystals Studied by Femtosecond Intraband Pump-Probe Spectroscopy

  Akihiro Ueda; Takeshi Tayagaki; Yoshihiko Kanemitsu

  JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, Aug. 2009, Peer-reviewed

  
• Radiative lifetimes and coherence lengths of one-dimensional excitons in single-walled carbon nanotubes

  Yuhei Miyauchi; Hideki Hirori; Kazunari Matsuda; Yoshihiko Kanemitsu

  PHYSICAL REVIEW B, Aug. 2009, Peer-reviewed

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• Composition dependent dynamics of biexciton localization in AlxGa1-xN mixed crystals

  Daisuke Hirano; Takeshi Tayagaki; Yoichi Yamada; Yoshihiko Kanemitsu

  PHYSICAL REVIEW B, Aug. 2009, Peer-reviewed

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• Blinking Behavior of Surface-Defect and Impurity Luminescence in Nondoped and Mn2+-Doped CdS Nanocrystals

  Atsushi Ishizumi; Yoshihiko Kanemitsu

  JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, Aug. 2009, Peer-reviewed

  
• Temperature Dependence of Photoluminescence Spectra of Nondoped and Electron-Doped SrTiO3: Crossover from Auger Recombination to Single-Carrier Trapping

  Yasuhiro Yamada; Hideki Yasuda; Takeshi Tayagaki; Yoshihiko Kanemitsu

  PHYSICAL REVIEW LETTERS, Jun. 2009, Peer-reviewed

  
• Mn-Mn couplings in Mn-doped CdS nanocrystals studied by magnetic circular dichroism spectroscopy

  Seiji Taguchi; Atsushi Ishizumi; Takeshi Tayagaki; Yoshihiko Kanemitsu

  APPLIED PHYSICS LETTERS, Apr. 2009, Peer-reviewed

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• Mechanism of exciton dephasing in a single carbon nanotube studied by photoluminescence spectroscopy

  Kohei Yoshikawa; Ryusuke Matsunaga; Kazunari Matsuda; Yoshihiko Kanemitsu

  APPLIED PHYSICS LETTERS, Mar. 2009, Peer-reviewed

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• Photoluminescence dynamics and reduced Auger recombination in Si1-xGex/Si superlattices under high-density photoexcitation

  Takeshi Tayagaki; Susumu Fukatsu; Yoshihiko Kanemitsu

  PHYSICAL REVIEW B, Jan. 2009, Peer-reviewed

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• Luminescence and magnetic properties of Co doped ZnO nanocrystals

  S. Taguchi; T. Tayagaki; Y. Kanemitsu

  SEMICONDUCTOR NANOSTRUCTURES TOWARDS ELECTRONIC AND OPTOELECTRONIC DEVICE APPLICATIONS II (SYMPOSIUM K, E-MRS 2009 SPRING MEETING), 2009, Peer-reviewed

  
• Spatial distribution of carriers in SrTiO3 revealed by photoluminescence dynamics measurements

  Hideki Yasuda; Yasuhiro Yamada; Takeshi Tayagaki; Yoshihiko Kanemitsu

  PHYSICAL REVIEW B, Dec. 2008, Peer-reviewed

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• Evidence for dark excitons in a single carbon nanotube due to the Aharonov-Bohm effect

  Ryusuke Matsunaga; Kazunari Matsuda; Yoshihiko Kanemitsu

  PHYSICAL REVIEW LETTERS, Oct. 2008, Peer-reviewed

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• Energy transfer in mixed CdSe and Au nanoparticle monolayers studied by simultaneous photoluminescence and Raman spectral measurements

  Masaki Kawai; Aishi Yamamoto; Norihiro Matsuura; Yoshihiko Kanemitsu

  PHYSICAL REVIEW B, Oct. 2008, Peer-reviewed

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• Reversible and Irreversible Spectral Shifts during Photoluminescence Blinking in a Single CdSe/ZnS Core/Shell Nanocrystal

  Yuichi Ito; Kazunari Matsuda; Yoshihiko Kanemitsu

  JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, Oct. 2008, Peer-reviewed

  
• Exciton energy transfer between the inner and outer tubes in double-walled carbon nanotubes

  Hideki Hirori; Kazunari Matsuda; Yoshihiko Kanemitsu

  PHYSICAL REVIEW B, Sep. 2008, Peer-reviewed

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• Carrier multiplication in carbon nanotubes studied by femtosecond pump-probe spectroscopy

  Akihiro Ueda; Kazunari Matsuda; Takeshi Tayagaki; Yoshihiko Kanemitsu

  APPLIED PHYSICS LETTERS, Jun. 2008, Peer-reviewed

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• Three-component cascade energy transfer with use of oligonaphthalene skeletons

  Kazunori Tsubaki; Kazuto Takaishi; Daisuke Sue; Kazunari Matsuda; Yoshihiko Kanemitsu; Takeo Kawabata

  JOURNAL OF ORGANIC CHEMISTRY, Jun. 2008, Peer-reviewed

  
• Photoluminescence enhancement and quenching of single CdSe/ZnS nanocrystals on metal surfaces dominated by plasmon resonant energy transfer

  Kazunari Matsuda; Yuichi Ito; Yoshihiko Kanemitsu

  APPLIED PHYSICS LETTERS, May 2008, Peer-reviewed

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• Direct and stepwise energy transfer from excitons to plasmons in close-packed metal and semiconductor nanoparticle monolayer films

  Koshin Hosoki; Takeshi Tayagaki; Shinpei Yamamoto; Kazunari Matsuda; Yoshihiko Kanemitsu

  PHYSICAL REVIEW LETTERS, May 2008, Peer-reviewed

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• Exciton fine structure in a single carbon nanotube revealed through spectral diffusion

  Kazunari Matsuda; Tadashi Inoue; Yoichi Murakami; Shigeo Maruyama; Yoshihiko Kanemitsu

  PHYSICAL REVIEW B, May 2008, Peer-reviewed

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• Dynamics of biexciton localization in AlxGa1-xN mixed crystals under exciton resonant excitation

  Daisuke Hirano; Takeshi Tayagaki; Yoichi Yamada; Yoshihiko Kanemitsu

  PHYSICAL REVIEW B, May 2008, Peer-reviewed

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• Dynamics of nonlinear blue photoluminescence and Auger recombination in SrTiO(3)

  Hideki Yasuda; Yoshihiko Kanemitsu

  PHYSICAL REVIEW B, May 2008, Peer-reviewed

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• Dynamics of electron-hole plasmas and localized excitons in highly excited GaN-based ternary alloys

  D. Hirano; Y. Kanemitsu

  JOURNAL OF LUMINESCENCE, May 2008, Peer-reviewed

  
• Photoluminescence dynamics of Mn2+-doped CdS/ZnS Core/Shell nanocrystals: Mn2+ concentration dependence

  Atsushi Ishizumi; Emiko Jojima; Aishi Yamamoto; Yoshihiko Kanemitsu

  JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, May 2008, Peer-reviewed

  
• Photoluminescence enhancement and quenching of single CdSe/ZnS nanocrystals on metal surfaces dominated by plasmon resonant energy transfer

  Kazunari Matsuda; Yuichi Ito; Yoshihiko Kanemitsu

  APPLIED PHYSICS LETTERS, May 2008, Peer-reviewed

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• Energy transfer from semiconductor nanocrystal monolayers to metal surfaces revealed by time-resolved photoluminescence spectroscopy

  Akihiro Ueda; Takeshi Tayagaki; Yoshihiko Kanemitsu

  APPLIED PHYSICS LETTERS, Mar. 2008, Peer-reviewed

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• Disorder-induced rapid localization of electron-hole plasmas in highly excited In(x)Ga(1-x)N mixed crystals

  Daisuke Hirano; Takeshi Tayagaki; Yoshihiko Kanemitsu

  PHYSICAL REVIEW B, Feb. 2008, Peer-reviewed

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• Exciton dephasing and multiexciton recombinations in a single carbon nanotube

  Kazunari Matsuda; Tadashi Inoue; Yoichi Murakami; Shigeo Maruyama; Yoshihiko Kanemitsu

  PHYSICAL REVIEW B, Jan. 2008, Peer-reviewed

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• Site-dependent Eu3+ luminescence in GaN : Eu3+ epitaxial films studied by microscopic photoluminescence spectroscopy

  A. Ishizumi; J. Sawahata; K. Akimoto; Y. Kanemitsu

  MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY, Jan. 2008, Peer-reviewed

  
• Mechanism of photoluminescence enhancement in single semiconductor nanocrystals on metal surfaces

  Yuichi Ito; Kazunari Matsuda; Yoshihiko Kanemitsu

  PHYSICAL REVIEW B, Jan. 2007, Peer-reviewed

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• Mechanism of the growth of ZnSe nanowires with Fe catalysts

  Yutaka Ohno; Takeo Shirahama; Seiji Takeda; Atsushi Ishizumi; Yoshihiko Kanemitsu

  SOLID STATE COMMUNICATIONS, Jan. 2007, Peer-reviewed

  
• Exciton localization of single-walled carbon nanotubes revealed by femtosecond excitation correlation spectroscopy

  Hideki Hirori; Kazunari Matsuda; Yuhei Miyauchi; Shigeo Maruyama; Yoshihiko Kanemitsu

  PHYSICAL REVIEW LETTERS, Dec. 2006, Peer-reviewed

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• Synthesis and properties of 9-anthryldiphosphene

  Takahiro Sasamori; Akihiro Tsurusaki; Noriyoshi Nagahora; Kazunari Matsuda; Yoshihiko Kanemitsu; Yasuaki Watanabe; Yukio Furukawa; Norihiro Tokitoh

  CHEMISTRY LETTERS, Dec. 2006, Peer-reviewed

  
• Origin of efficient luminescence from GaN : Eu3+epitaxial films revealed by microscopic photoluminescence imaging spectroscopy

  Atsushi Ishizumi; Junji Sawahata; Katsuhiro Akimoto; Yoshihiko Kanemitsu

  APPLIED PHYSICS LETTERS, Nov. 2006, Peer-reviewed

  
• Luminescence properties of impurity-doped semiconductor nanoparticles

  Y Kanemitsu; A Ishizumi

  JOURNAL OF LUMINESCENCE, Jul. 2006, Peer-reviewed

  
• Diameter dependence of exciton-phonon interaction in individual single-walled carbon nanotubes studied by microphotoluminescence spectroscopy

  Tadashi Inoue; Kazunari Matsuda; Yoichi Murakami; Shigeo Maruyama; Yoshihiko Kanemitsu

  PHYSICAL REVIEW B, Jun. 2006, Peer-reviewed

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• Blue luminescence from electron-doped SrTiO3

  D Kan; R Kanda; Y Kanemitsu; Y Shimakawa; M Takano; T Terashima; A Ishizumi

  APPLIED PHYSICS LETTERS, May 2006, Peer-reviewed

  
• Luminescence spectra and dynamics of Mn-doped CdS core/shell nanocrystals

  Atsushi Ishizumi; Yoshihiko Kanemitsu

  Advanced Materials, 18 Apr. 2006, Peer-reviewed

  
• Water-soluble bis(imidazolylporphyrin) self-assemblies with large two-photon absorption cross sections as potential agents for photodynamic therapy

  K Ogawa; H Hasegawa; Y Inaba; Y Kobuke; H Inouye; Y Kanemitsu; E Kohno; T Hirano; S Ogura; Okura, I

  JOURNAL OF MEDICINAL CHEMISTRY, Apr. 2006, Peer-reviewed

  
• Temperature dependence of exciton localization dynamics in InxGa1-xN epitaxial films

  Y Kanemitsu; K Tomita; D Hirano; H Inouye

  APPLIED PHYSICS LETTERS, Mar. 2006, Peer-reviewed

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• Collective and single-particle intersubband excitations in narrow quantum wells selected by infrared absorption and resonant Raman scattering

  Unuma, Takeya; Kobayashi, Kensuke; Yamamoto, Aishi; Yoshita, Masahiro; Hirakawa, Kazuhiko; Hashimoto, Yoshiaki; Katsumoto, Shingo; Iye, Yasuhiro; Kanemitsu, Yoshihiko; Akiyama, Hidefumi

  Physical Review B, 2006, Peer-reviewed

  
• Blue-light emission at room temperature from Ar+-irradiated SrTiO3

  DS Kan; T Terashima; R Kanda; A Masuno; K Tanaka; SC Chu; H Kan; A Ishizumi; Y Kanemitsu; Y Shimakawa; M Takano

  NATURE MATERIALS, Nov. 2005, Peer-reviewed

  
• Subpicosecond luminescence spectroscopy of exciton localization in InxGa1-xN films

  Y Kanemitsu; K Tomita; H Inouye

  APPLIED PHYSICS LETTERS, Oct. 2005, Peer-reviewed

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• Photoluminescence properties of single Mn-doped CdS nanocrystals studied by scanning near-field optical microscopy

  A Ishizumi; K Matsuda; T Saiki; CW White; Y Kanemitsu

  APPLIED PHYSICS LETTERS, Sep. 2005, Peer-reviewed

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• Luminescence properties of ZnO and Eu3+-doped ZnO nanorods

  A. Ishizumi; Y. Taguchi; A. Yamamoto; Y. Kanemitsu

  Thin Solid Films, 22 Aug. 2005, Peer-reviewed

  
• Fe-catalytic growth of ZnSe nanowires on a ZnSe(001) surface at low temperatures by molecular-beam epitaxy

  Y Ohno; T Shirahama; S Takeda; A Ishizumi; Y Kanemitsu

  APPLIED PHYSICS LETTERS, Jul. 2005, Peer-reviewed

  
• Photoluminescence intermittency in an individual single-walled carbon nanotube at room temperature (vol 86, pg 123116, 2005)

  K Matsuda; Y Kanemitsu; K Irie; T Saiki; T Someya; Y Miyauchi; S Maruyama

  APPLIED PHYSICS LETTERS, Jun. 2005, Peer-reviewed

  
• Structural and luminescence properties of Eu-doped ZnO nanorods fabricated by a microemulsion method

  A Ishizumi; Y Kanemitsu

  APPLIED PHYSICS LETTERS, Jun. 2005, Peer-reviewed

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• Photoluminescence intermittency in an individual single-walled carbon nanotube at room temperature

  K Matsuda; Y Kanemitsu; K Irie; T Saiki; T Someya; Y Miyauchi; S Maruyama

  APPLIED PHYSICS LETTERS, Mar. 2005, Peer-reviewed

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• Photoluminescence dynamics of GaN under intense band-to-band and exciton resonant excitation

  T Nagai; A Yamamoto; Y Kanemitsu

  PHYSICAL REVIEW B, Mar. 2005, Peer-reviewed

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• Development of an apertureless near-field optical microscope for nanoscale optical imaging at low temperatures

  K Taniguchi; Y Kanemitsu

  JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS, Jan. 2005, Peer-reviewed

  
• Enhanced luminescence from electron-hole droplets in silicon nanolayers

  Satoshi Nihonyanagi; Yoshihiko Kanemitsu

  Applied Physics Letters, 06 Dec. 2004, Peer-reviewed

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• Intersubband electronic Raman scattering in narrow GaAs single quantum wells dominated by single-particle excitations

  T Unuma; K Kobayashi; A Yamamoto; M Yoshita; Y Hashimoto; S Katsumoto; Y Iye; Y Kanemitsu; H Akiyama

  PHYSICAL REVIEW B, Oct. 2004, Peer-reviewed

  
• Space-resolved photoluminescence of ZnS : Cu,Al nanocrystals fabricated by sequential ion implantation

  A Ishizumi; CW White; Y Kanemitsu

  APPLIED PHYSICS LETTERS, Mar. 2004, Peer-reviewed

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• Band-gap renormalization in highly excited GaN

  T Nagai; TJ Inagaki; Y Kanemitsu

  APPLIED PHYSICS LETTERS, Feb. 2004, Peer-reviewed

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• Development of scanning probe microscope for Auger analysis

  Y Miyatake; T Nagamura; K Hattori; Y Kanemitsu; H Daimon

  JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, Jul. 2003, Peer-reviewed

  
• Direct observation of nonlinear effects in a one-dimensional photonic crystal

  H Inouye; Y Kanemitsu

  APPLIED PHYSICS LETTERS, Feb. 2003, Peer-reviewed

  
• Temperature dependence of free-exciton luminescence in cubic CdS films

  Y Kanemitsu; T Nagai; Y Yamada; T Taguchi

  APPLIED PHYSICS LETTERS, Jan. 2003, Peer-reviewed

  
• Laser spectroscopy of silicon quantum materials

  Yoshihiko Kanemitsu

  Proceedings of SPIE - The International Society for Optical Engineering, 2003, Peer-reviewed

  
• Efficient light emission from crystalline and amorphous silicon nanostructures

  Y Kanemitsu

  JOURNAL OF LUMINESCENCE, Dec. 2002, Peer-reviewed

  
• Formation of interface defects by enhanced impurity diffusion in microcrystalline silicon solar cells

  Y Nasuno; M Kondo; A Matsuda; H Fukuhori; Y Kanemitsu

  APPLIED PHYSICS LETTERS, Oct. 2002, Peer-reviewed

  
• Optical properties of Mn-doped CdS nanocrystals fabricated by sequential ion implantation

  Y Kanemitsu; H Matsubara; CW White

  APPLIED PHYSICS LETTERS, Jul. 2002, Peer-reviewed

  
• Photoluminescence spectrum of highly excited single CdS nanocrystals studied by a scanning near-field optical microscope

  Y Kanemitsu; TJ Inagaki; M Ando; K Matsuda; T Saiki; CW White

  APPLIED PHYSICS LETTERS, Jul. 2002, Peer-reviewed

  
• Development of electron source for Auger electron spectroscopy in scanning probe microscope systems

  Y Miyatake; T Nagamura; K Hattori; Y Kanemitsu; H Daimon

  JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, Jul. 2002, Peer-reviewed

  
• Combined spectroelectrochemical and theoretical study of a vinylene-bridged sexithiophene cooligomer: Analysis of the pi-electron delocalization and of the electronic defects generated upon doping

  J Casado; LL Miller; KR Mann; TM Pappenfus; Y Kanemitsu; E Orti; PM Viruela; R Pou-Amerigo; Hernandez, V; JTL Navarrete

  JOURNAL OF PHYSICAL CHEMISTRY B, Apr. 2002, Peer-reviewed

  
• Free excitons in cubic CdS films

  Y Kanemitsu; T Nagai; T Kushida; S Nakamura; Y Yamada; T Taguchi

  APPLIED PHYSICS LETTERS, Jan. 2002, Peer-reviewed

  
• Sharp photoluminescence of CdS nanocrystals in Al2O3 matrices formed by sequential ion implantation

  M Ando; Y Kanemitsu; T Kushida; K Matsuda; T Saiki; CW White

  APPLIED PHYSICS LETTERS, Jul. 2001, Peer-reviewed

  
• Evidence of quantum size effect in nanocrystalline silicon by optical absorption

  T. Matsumoto; J.-I. Suzuki; M. Ohnuma; Y. Kanemitsu; Y. Masumoto

  Physical Review B - Condensed Matter and Materials Physics, 2001, Peer-reviewed

  
• Size effects on the luminescence spectrum in amorphous Si/SiO2 multilayer structures

  Y Kanemitsu; T Kushida

  APPLIED PHYSICS LETTERS, Nov. 2000, Peer-reviewed

  
• Optical characterization of CdS nanocrystals in Al2O3 matrices fabricated by ion-beam synthesis

  D Matsuura; Y Kanemitsu; T Kushida; CW White; JD Budai; A Meldrum

  APPLIED PHYSICS LETTERS, Oct. 2000, Peer-reviewed

  
• Photoelectric properties of organic polysilane containing carbazolyl side groups

  S Mimura; H Naito; T Dohmaru; Y Kanemitsu; M Aramata

  APPLIED PHYSICS LETTERS, Oct. 2000, Peer-reviewed

  
• Visible light emission from GaAs nanocrystals in SiO2 films fabricated by sequential ion implantation

  Y Kanemitsu; H Tanaka; Y Fukunishi; T Kushida; KS Min; HA Atwater

  PHYSICAL REVIEW B, Aug. 2000, Peer-reviewed

  
• Decay dynamics of visible luminescence in amorphous silicon nanoparticles

  Y Kanemitsu; Y Fukunishi; T Kushida

  APPLIED PHYSICS LETTERS, Jul. 2000, Peer-reviewed

  
• Infrared and Raman spectra of a new radical cation charged defect created on a well-barrier-well thiophene-based oligomer

  J Casado; Hernandez, V; Y Kanemitsu; JTL Navarrete

  JOURNAL OF RAMAN SPECTROSCOPY, Jul. 2000, Peer-reviewed

  
• Photoluminescence dynamics of amorphous Si/SiO2 quantum wells

  Y Kanemitsu; M Iiboshi; T Kushida

  APPLIED PHYSICS LETTERS, Apr. 2000, Peer-reviewed

  
• Visible light emission from GaAs nanocrystals in films fabricated by sequential ion implantation

  Yoshihiko Kanemitsu; Hiroshi Tanaka; Yunosuke Fukunishi; Takashi Kushida; Kyu Sung Min; Harry A. Atwater

  Physical Review B - Condensed Matter and Materials Physics, 2000, Peer-reviewed

  
• A near-infrared photoluminescence study of GaAs nanocrystals in SiO2 films formed by sequential ion implantation

  Y Kanemitsu; H Tanaka; T Kushida; KS Min; HA Atwater

  JOURNAL OF APPLIED PHYSICS, Aug. 1999, Peer-reviewed

  
• Vibrational study of a well-barrier-well thiophene-based oligomer in relation to the effective pi-conjugation length

  Hernandez, V; J Casado; Y Kanemitsu; JTL Navarrete

  JOURNAL OF CHEMICAL PHYSICS, Apr. 1999, Peer-reviewed

  
• Phonon structures and Stokes shift in resonantly excited luminescence of silicon nanocrystals

  Y Kanemitsu; S Okamoto

  PHYSICAL REVIEW B, Oct. 1998, Peer-reviewed

  
• Photoluminescence from GaAs nanocrystals fabricated by Ga+ and As+ co-implantation into SiO2 matrices

  S Okamoto; Y Kanemitsu; KS Min; HA Atwater

  APPLIED PHYSICS LETTERS, Sep. 1998, Peer-reviewed

  
• Photoluminescence from surface-capped CdS nanocrystals by selective excitation

  S Okamoto; Y Kanemitsu; H Hosokawa; K Murakoshi; S Yanagida

  SOLID STATE COMMUNICATIONS, Jan. 1998, Peer-reviewed

  
• Photoluminescence from Si/SiO2 single quantum wells by selective excitation

  Y Kanemitsu; S Okamoto

  PHYSICAL REVIEW B, Dec. 1997, Peer-reviewed

  
• Quantum confinement and interface effects on photoluminescence from silicon single quantum wells

  S Okamoto; Y Kanemitsu

  SOLID STATE COMMUNICATIONS, Sep. 1997, Peer-reviewed

  
• Resonantly excited photoluminescence from porous silicon: Effects of surface oxidation on resonance luminescence spectra

  Y Kanemitsu; S Okamoto

  PHYSICAL REVIEW B, Jul. 1997, Peer-reviewed

  
• Photoluminescence mechanism in surface-oxidized silicon nanocrystals

  Y Kanemitsu; S Okamoto; M Otobe; S Oda

  PHYSICAL REVIEW B, Mar. 1997, Peer-reviewed

  
• Chapter 5 Silicon and Germanium Nanoparticles

  Yoshihiko Kanemitsu

  Semiconductors and Semimetals, 1997, Peer-reviewed

  
• Photoluminescence from single quantum wells by selective excitation

  Yoshihiko Kanemitsu; Shinji Okamoto

  Physical Review B - Condensed Matter and Materials Physics, 1997, Peer-reviewed

  
• Resonantly excited photoluminescence from porous silicon: Effects of surface oxidation on resonant luminescence spectra

  Yoshihiko Kanemitsu; Shinji Okamoto

  Physical Review B - Condensed Matter and Materials Physics, 1997, Peer-reviewed

  
• Photoluminescence mechanism in surface-oxidized silicon nanocrystals

  Yoshihiko Kanemitsu; Shinji Okamoto; Masanori Otobe; Shunri Oda

  Physical Review B - Condensed Matter and Materials Physics, 1997

  
• Photoluminescence properties of surface-oxidized Ge nanocrystals: Surface localization of excitons

  S Okamoto; Y Kanemitsu

  PHYSICAL REVIEW B, Dec. 1996, Peer-reviewed

  
• Photoluminescent spectrum and dynamics of Si+-ion-implanted and thermally annealed SiO2 glasses

  Y Kanemitsu; N Shimizu; T Komoda; PLF Hemment; BJ Sealy

  PHYSICAL REVIEW B, Nov. 1996, Peer-reviewed

  
• Optical and structural properties of oligothiophene crystalline films

  Y Kanemitsu; N Shimizu; K Suzuki; Y Shiraishi; M Kuroda

  PHYSICAL REVIEW B, Jul. 1996, Peer-reviewed

  
• Photoluminescence spectrum and dynamics in oxidized silicon nanocrystals: A nanoscopic disorder system

  Y Kanemitsu

  PHYSICAL REVIEW B, May 1996, Peer-reviewed

  
• Light-emitting silicon materials

  Y Kanemitsu

  JOURNAL OF LUMINESCENCE, 1996, Peer-reviewed

  
• Molecular design of optical and structural properties of organic semiconductor films: Thiophene-based oligomers

  Y. Kanemitsu; K. Suzuki; N. Shimizu; Y. Shiraishi; M. Kuroda

  Japanese Journal of Applied Physics, Part 2: Letters, 1996, Peer-reviewed

  
• Photoluminescent spectrum and dynamics of-ion-implanted and thermally annealed glasses

  Yoshihiko Kanemitsu; Naoya Shimizu; Takuya Komoda

  Physical Review B - Condensed Matter and Materials Physics, 1996, Peer-reviewed

  
• Photoluminescence properties of surface-oxidized Ge nanocrystals: Surface localization of excitons

  Shinji Okamoto; Yoshihiko Kanemitsu

  Physical Review B - Condensed Matter and Materials Physics, 1996, Peer-reviewed

  
• Photoluminescence spectrum and dynamics in oxidized silicon nanocrystals: A nanoscopic disorder system

  Yoshihiko Kanemitsu

  Physical Review B - Condensed Matter and Materials Physics, 1996, Peer-reviewed

  
• LIGHT-EMISSION FROM POROUS SILICON AND RELATED MATERIALS

  Y KANEMITSU

  PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS, Dec. 1995, Peer-reviewed

  
• 3RD-ORDER NONLINEAR-OPTICAL SUSCEPTIBILITY AND PHOTOLUMINESCENCE IN POROUS SILICON

  Y KANEMITSU; S OKAMOTO; A MITO

  PHYSICAL REVIEW B, Oct. 1995, Peer-reviewed

  
• OPTICALLY INDUCED ABSORPTION IN POROUS SILICON AND ITS APPLICATION TO LOGIC GATES

  T MATSUMOTO; M DAIMON; H MIMURA; Y KANEMITSU; N KOSHIDA

  JOURNAL OF THE ELECTROCHEMICAL SOCIETY, Oct. 1995, Peer-reviewed

  
• VISIBLE PHOTOLUMINESCENCE FROM SILICON-BACKBONE POLYMERS

  Y KANEMITSU; K SUZUKI

  PHYSICAL REVIEW B, May 1995, Peer-reviewed

  
• LUMINESCENCE PROPERTIES OF A CUBIC SILICON CLUSTER OCTASILACUBANE

  Y KANEMITSU; K SUZUKI; M KONDO; S KYUSHIN; H MATSUMOTO

  PHYSICAL REVIEW B, Apr. 1995, Peer-reviewed

  
• Transport study of self-supporting porous silicon

  A. Fejfar; I. Pelant; E. Šípek; J. Kočka; G. Juška; T. Matsumoto; Y. Kanemitsu

  Applied Physics Letters, 1995, Peer-reviewed

  
• Photo- and electroluminescence from electrochemically polished silicon

  Takahiro Matsumoto; Hidenori Mimura; Yoshihiko Kanemitsu

  Japanese Journal of Applied Physics, Part 2: Letters, 1995, Peer-reviewed

  
• Visible photoluminescence from silicon-backbone polymers

  Yoshihiko Kanemitsu; Katsunori Suzuki; Soichiro Kyushin; Hideyuki Matsumoto

  Physical Review B, 1995, Peer-reviewed

  
• OPTICAL-PROPERTIES OF QUASI-ONE-DIMENSIONAL THIOPHENE-BASED OLIGOMERS

  Y KANEMITSU; K SUZUKI; Y MASUMOTO; Y TOMIUCHI; Y SHIRAISHI; M KURODA

  PHYSICAL REVIEW B, Jul. 1994, Peer-reviewed

  
• LUMINESCENCE PROPERTIES OF NANOMETER-SIZED SI CRYSTALLITES - CORE AND SURFACE-STATES

  Y KANEMITSU

  PHYSICAL REVIEW B, Jun. 1994, Peer-reviewed

  
• ORIGIN OF THE BLUE AND RED PHOTOLUMINESCENCE FROM OXIDIZED POROUS SILICON

  Y KANEMITSU; T FUTAGI; T MATSUMOTO; H MIMURA

  PHYSICAL REVIEW B, May 1994, Peer-reviewed

  
• RELATIONS BETWEEN TRANSIENT CHARGE-TRANSPORT AND THE GLASS-TRANSITION TEMPERATURE IN AMORPHOUS CHALCOGENIDES

  H NAITO; Y KANEMITSU

  PHYSICAL REVIEW B, Apr. 1994, Peer-reviewed

  
• LUMINESCENCE FROM A CUBIC SILICON CLUSTER

  Y KANEMITSU; K SUZUKI; M KONDO; H MATSUMOTO

  SOLID STATE COMMUNICATIONS, Feb. 1994, Peer-reviewed

  
• Large induced absorption change in porous silicon and its application to optical logic gates

  Takahiro Matsumoto; Noboru Hasegawa; Teruyuki Tamaki; Kenji Ueda; Toshiro Futagi; Hidenori Mimura; Yoshihiko Kanemitsu

  Japanese Journal of Applied Physics, Part 2: Letters, 1994, Peer-reviewed

  
• BLUE-GREEN LUMINESCENCE FROM POROUS SILICON-CARBIDE

  T MATSUMOTO; J TAKAHASHI; T TAMAKI; T FUTAGI; H MIMURA; Y KANEMITSU

  APPLIED PHYSICS LETTERS, Jan. 1994, Peer-reviewed

  
• Blue electroluminescence from porous silicon carbide

  Hidenori Mimura; Takahiro Matsumoto; Yoshihiko Kanemitsu

  Applied Physics Letters, 1994, Peer-reviewed

  
• Luminescence properties of nanometer-sized Si crystallites: Core and surface states

  Yoshihiko Kanemitsu

  Physical Review B, 1994, Peer-reviewed

  
• SLOW DECAY DYNAMICS OF VISIBLE LUMINESCENCE IN POROUS SILICON - HOPPING OF CARRIERS CONFINED ON A SHELL REGION IN NANOMETER-SIZE SI CRYSTALLITES

  Y KANEMITSU

  PHYSICAL REVIEW B, Oct. 1993, Peer-reviewed

  
• VISIBLE PHOTOLUMINESCENCE FROM OXIDIZED SI NANOMETER-SIZED SPHERES - EXCITON CONFINEMENT ON A SPHERICAL-SHELL

  Y KANEMITSU; T OGAWA; K SHIRAISHI; K TAKEDA

  PHYSICAL REVIEW B, Aug. 1993, Peer-reviewed

  
• MICROSTRUCTURE AND OPTICAL-PROPERTIES OF FREESTANDING POROUS SILICON FILMS - SIZE DEPENDENCE OF ABSORPTION-SPECTRA IN SI NANOMETER-SIZED CRYSTALLITES

  Y KANEMITSU; H UTO; Y MASUMOTO; T MATSUMOTO; T FUTAGI; H MIMURA

  PHYSICAL REVIEW B, Jul. 1993, Peer-reviewed

  
• OPTICAL-PROPERTIES OF SMALL SI-SKELETON SHEETS - LADDER POLYSILANES

  Y KANEMITSU; K SUZUKI; Y MASUMOTO; T KOMATSU; K SATO; S KYUSHIN; H MATSUMOTO

  SOLID STATE COMMUNICATIONS, Jun. 1993, Peer-reviewed

  
• ULTRAFAST DECAY DYNAMICS OF LUMINESCENCE IN POROUS SILICON

  T MATSUMOTO; T FUTAGI; H MIMURA; Y KANEMITSU

  PHYSICAL REVIEW B, May 1993, Peer-reviewed

  
• Visible photoluminescence from oxidized Si nanometer-sized spheres: Exciton confinement on a spherical shell

  Yoshihiko Kanemitsu; Tetsuo Ogawa; Kenji Shiraishi; Kyozaburo Takeda

  Physical Review B, 1993, Peer-reviewed

  
• Slow decay dynamics of visible luminescence in porous silicon: Hopping of carriers confined on a shell region in nanometer-size Si crystallites

  Yoshihiko Kanemitsu

  Physical Review B, 1993, Peer-reviewed

  
• MICROSCOPIC NATURE OF CHARGE TRANSPORT IN MOLECULARLY DOPED POLYMERS - EFFECT OF THE CHARGE-DISTRIBUTION IN DOPANT MOLECULES ON THE HOLE DRIFT MOBILITY

  Y KANEMITSU; Y SUGIMOTO

  PHYSICAL REVIEW B, Dec. 1992, Peer-reviewed

  
• VISIBLE PHOTOLUMINESCENCE OF SILICON-BASED NANOSTRUCTURES - POROUS SILICON AND SMALL SILICON-BASED CLUSTERS

  Y KANEMITSU; K SUZUKI; H UTO; Y MASUMOTO; T MATSUMOTO; S KYUSHIN; K HIGUCHI; H MATSUMOTO

  APPLIED PHYSICS LETTERS, Nov. 1992, Peer-reviewed

  
• HIGHER-ORDER ZONE-FOLDED MODES IN ZNSE-ZNS STRAINED-LAYER SUPERLATTICES

  A YAMAMOTO; Y KANEMITSU; Y MASUMOTO; S YAMAGA; A YOSHIKAWA

  APPLIED PHYSICS LETTERS, Oct. 1992, Peer-reviewed

  
• QUANTUM SIZE EFFECTS AND ENHANCEMENT OF THE OSCILLATOR STRENGTH OF EXCITONS IN CHAINS OF SILICON ATOMS

  Y KANEMITSU; K SUZUKI; Y NAKAYOSHI; Y MASUMOTO

  PHYSICAL REVIEW B, Aug. 1992, Peer-reviewed

  
• HOPPING CHARGE TRANSPORT IN MOLECULARLY DOPED POLYMERS - POLYMER MATRIX DEPENDENCE OF THE HOLE DRIFT MOBILITY

  Y KANEMITSU

  JOURNAL OF APPLIED PHYSICS, Mar. 1992, Peer-reviewed

  
• RAMAN-STUDY OF DISORDER AND STRAIN IN EPITAXIAL ZNSXSE1-X FILMS ON A GAAS SUBSTRATE

  Y KANEMITSU; A YAMAMOTO; H MATSUE; Y MASUMOTO; S YAMAGA; A YOSHIKAWA

  APPLIED PHYSICS LETTERS, Mar. 1992, Peer-reviewed

  
• On the origin of visible photoluminescence in nanometer-size Ge crystallites

  Yoshihiko Kanemitsu; Hiroshi Uto; Yasuaki Masumoto; Yoshihito Maeda

  Applied Physics Letters, 1992, Peer-reviewed

  
• ELECTRIC-FIELD DEPENDENCE OF THE HOLE DRIFT MOBILITY IN MOLECULARLY DOPED POLYMERS - IMPORTANCE OF THE DISORDER OF HOPPING SITES

  Y KANEMITSU; H FUNADA; Y MASUMOTO

  JOURNAL OF APPLIED PHYSICS, Jan. 1992, Peer-reviewed

  
• NOVEL PHOTOACOUSTIC-SPECTROSCOPY OF SEMICONDUCTOR THIN-FILMS BY A TRANSPARENT TRANSDUCER - PYROELECTRIC AND PIEZOELECTRIC EFFECTS

  Y KANEMITSU; H NABETA

  APPLIED PHYSICS LETTERS, Aug. 1991, Peer-reviewed

  
• DISORDER-INDUCED TRANSITION FROM GAUSSIAN TO DISPERSIVE CARRIER TRANSPORT IN MOLECULARLY DOPED POLYMERS

  Y KANEMITSU; H FUNADA; Y MASUMOTO

  APPLIED PHYSICS LETTERS, Aug. 1991, Peer-reviewed

  
• PHOTOCARRIER GENERATION IN METAL-FREE PHTHALOCYANINES - EFFECT OF THE STACKING HABIT OF MOLECULES ON THE PHOTOGENERATION EFFICIENCY

  Y KANEMITSU; A YAMAMOTO; H FUNADA; Y MASUMOTO

  JOURNAL OF APPLIED PHYSICS, May 1991, Peer-reviewed

  
• Visible photoluminescence of Ge microcrystals embedded in SiO2 glassy matrices

  Yoshihito Maeda; Nobuo Tsukamoto; Yoshiaki Yazawa; Yoshihiko Kanemitsu; Yasuaki Masumoto

  Applied Physics Letters, 1991, Peer-reviewed

  
• Reversible light-induced fatigue of two-layer organic photoconductors studied by time-of-flight photoconductivity measurements

  Yoshihiko Kanemitsu; Hiroshi Funada

  Journal of Physics D: Applied Physics, 1991, Peer-reviewed

  
• EFFECT OF POLYMER MATRICES ON HOPPING CHARGE TRANSPORT IN MOLECULARLY DOPED POLYMERS

  Y KANEMITSU; J EINAMI

  APPLIED PHYSICS LETTERS, Aug. 1990, Peer-reviewed

  
• XEROGRAPHIC STUDIES OF CHARGE TRAPPING IN LAYERED ORGANIC PHOTOCONDUCTORS

  Y KANEMITSU; H FUNADA; S IMAMURA

  JOURNAL OF APPLIED PHYSICS, May 1990, Peer-reviewed

  
• PHOTOCARRIER GENERATION, INJECTION, AND TRAPPING AT THE INTERFACE IN A LAYERED ORGANIC PHOTOCONDUCTOR - METAL-FREE PHTHALOCYANINE MOLECULARLY DOPED POLYMER

  Y KANEMITSU; S IMAMURA

  JOURNAL OF APPLIED PHYSICS, Apr. 1990, Peer-reviewed

  
• EFFECT OF POLYMER MATRIX ON A REVERSIBLE LIGHT-INDUCED CHANGE IN CHARGE ACCEPTANCE AND RETENTION OF MOLECULARLY DOPED POLYMERS

  Y KANEMITSU; D IMANISHI; S IMAMURA

  JOURNAL OF APPLIED PHYSICS, Nov. 1989, Peer-reviewed

  
• CHARGE TRAPPING IN A LAYERED ORGANIC PHOTOCONDUCTOR STUDIED BY PHOTOACOUSTIC AND XEROGRAPHIC DISCHARGE MEASUREMENTS

  Y KANEMITSU; S IMAMURA

  JOURNAL OF APPLIED PHYSICS, Jul. 1989, Peer-reviewed

  
• PHOTOCARRIER GENERATION AND INJECTION AT THE INTERFACE IN DOUBLE-LAYERED ORGANIC PHOTOCONDUCTORS

  Y KANEMITSU; S IMAMURA

  APPLIED PHYSICS LETTERS, Mar. 1989, Peer-reviewed

  
• REVERSIBLE LIGHT-INDUCED CHANGE IN GAP STATES IN MOLECULARLY DOPED POLYMERS STUDIED BY XEROGRAPHIC DARK-DISCHARGE MEASUREMENTS

  Y KANEMITSU; S IMAMURA

  SOLID STATE COMMUNICATIONS, Nov. 1988, Peer-reviewed

  
• PROPAGATION CHARACTERISTICS OF LASER-GENERATED ACOUSTIC-WAVES IN GLASS

  Y KANEMITSU; Y HARADA; Y TANAKA; H KURODA

  JOURNAL OF APPLIED PHYSICS, May 1988, Peer-reviewed

  
• A PHOTOACOUSTIC STUDY OF PHOTOINJECTION PROCESSES IN DOUBLE-LAYERED ORGANIC PHOTOCONDUCTORS

  Y KANEMITSU; S IMAMURA

  JOURNAL OF APPLIED PHYSICS, Jan. 1988, Peer-reviewed

  
• MEASUREMENT OF PHOTOCARRIER INJECTION EFFICIENCIES AT THE INTERFACE IN DOUBLE LAYERED ORGANIC PHOTOCONDUCTORS

  Y KANEMITSU; S IMAMURA

  SOLID STATE COMMUNICATIONS, Sep. 1987, Peer-reviewed

  
• MECHANISM OF CRACK FORMATION IN GLASS AFTER HIGH-POWER LASER-PULSE IRRADIATION

  Y KANEMITSU; Y TANAKA

  JOURNAL OF APPLIED PHYSICS, Aug. 1987, Peer-reviewed

  
• PICOSECOND LASER-INDUCED RAPID CRYSTALLIZATION IN AMORPHOUS-SILICON

  Y KANEMITSU; H KURODA; NAKADA, I

  JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, Sep. 1986, Peer-reviewed

  
• LONG-RANGE STRUCTURAL CHANGES IN GLASS INDUCED BY PICOSECOND HIGH-POWER LASER PULSES.

  Yoshihiko Kanemitsu; Yuichi Tanaka

  Japanese Journal of Applied Physics, Part 2: Letters, 1986, Peer-reviewed

  
• ANOMALOUS SURFACE TRANSFORMATIONS IN CRYSTALLINE SILICON INDUCED BY SUBPICOSECOND LASER-PULSES

  Y KANEMITSU; Y ISHIDA; NAKADA, I; H KURODA

  APPLIED PHYSICS LETTERS, Jan. 1986, Peer-reviewed

  
• PICOSECOND LASER-INDUCED ANOMALOUS CRYSTALLIZATION IN AMORPHOUS-SILICON

  Y KANEMITSU; NAKADA, I; H KURODA

  APPLIED PHYSICS LETTERS, 1985, Peer-reviewed

  
• Mechanism of photostimulated luminescence in BaFX:Eu2+ (X=Cl,Br) phosphors

  Kenji Takahashi; Katsuhiro Kohda; Junji Miyahara; Yoshihiko Kanemitsu; Koji Amitani; Shigeo Shionoya

  Journal of Luminescence, 1984, Peer-reviewed

  
• DYNAMICAL ASPECTS OF PULSED LASER ANNEALING OF ION-IMPLANTED SILICON

  Y KANEMITSU; K OKAMOTO; H KURODA; S SHIONOYA

  JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 1984, Peer-reviewed

  
• FORMATION OF PERIODIC RIPPLE STRUCTURES IN PICOSECOND PULSED LASER ANNEALING OF ION-IMPLANTED SILICON

  Y KANEMITSU; H KURODA; S SHIONOYA

  JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 1984, Peer-reviewed

  
• PICOSECOND DYNAMICS OF PULSED LASER ANNEALING OF ION-IMPLANTED SILICON

  Y KANEMITSU; H KURODA; S SHIONOYA

  JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 1984, Peer-reviewed

  

Misc.

• ハライドペロブスカイト半導体の非線形レーザー分光

  金光義彦; 廣理英基

  応用物理, Jan. 2023, Invited

  
• ハライドペロブスカイトが拓く新しい非線形光学応用

  湯本郷; 金光義彦

  光アライアンス, Jan. 2022, Invited

  
• 新しい発光材料ハライドペロブスカイト

  金光義彦

  応用電子物性分科会誌, Dec. 2021, Invited

  
• ナノ構造半導体におけるマルチエキシトンとコヒーレント分光—超高速レーザー分光が切り開く太陽光発電工学

  田原弘量; 金光義彦

  日本物理学会誌, Jun. 2020, Invited

  
• 半導体ナノ粒子の高効率光電変換とマルチエキシトン

  金光義彦、田原弘量

  パリティ, Jan. 2019, Invited

  
• ハロゲン化金属ペロブスカイトの光物性

  金光義彦

  光学, 2019, Invited

  
• ハロゲン化金属ペロブスカイトのナノ粒子励起子光物性

  金光義彦

  光アライアンス, Feb. 2018, Invited

  
• Photophysics of Lead-free Tin Halide Perovskites

  Kanemitsu Yoshihiko; Handa Taketo

  Journal of The Society of Photographic Science and Technology of Japan, 2018, Invited

  
• ハロゲン化鉛ペロブスカイトの光物理と太陽電池

  金光義彦

  応用物理, Aug. 2017, Invited

  
• ナノ粒子フォトニクス： 発光・受光素子への応用

  金光義彦

  機能材料, Aug. 2017, Invited

  
• ハロゲン化金属ペロブスカイト半導体の光物理－太陽電池から光デバイス応用まで－

  山田泰裕; 金光義彦

  信学技報, LQE2017-3, 2017, Invited

  
• ハロゲン化鉛ペロブスカイトの光物理

  金光義彦

  有機分子・バイオエレクトロニクス分科会会誌, Nov. 2016, Invited

  
• ハロゲン化金属ペロブスカイトCH₃NH₃PbI₃におけるフォトンリサイクリング効果

  山田 泰裕; 山田 琢允; 金光 義彦

  有機分子・バイオエレクトロニクス分科会会誌, Nov. 2016, Invited

  
• ナノ粒子フォトニクス： 単一光子源、QD-LED、フレキシブル太陽電池

  金光義彦

  クリーンテクノロジー, Oct. 2016, Invited

  
• ハロゲン化鉛ペロブスカイト太陽電池

  金光義彦; 山田泰裕

  日本物理学会誌, Dec. 2015, Invited

  
• コロイドナノ粒子薄膜の太陽電池

  金光義彦

  エネルギーデバイス, May 2015, Invited

  
• ナノ構造半導体におけるキャリヤ多体効果: 太陽光を効率良く電力変換

  金光義彦

  応用物理, Dec. 2014, Invited

  
• ペロブスカイト半導体太陽電池

  山田泰裕; 若宮淳志; 金光義彦

  固体物理, 15 Sep. 2014, Invited

  
• 「図解：学術講演会大分類」 半導体Ｂ（探索的材料・物性・デバイス）

  金光義彦

  応用物理, Aug. 2014, Invited

  
• SrTiO3のバンド間発光と光キャリアダイナミクス

  山田泰裕; 金光義彦

  固体物理, Jan. 2014, Invited

  
• 半導体ナノ粒子のマルチエキシトン

  金光義彦

  日本化学会編カレントレビューシリーズ第9巻, Jun. 2012, Invited

  
• カーボンナノチューブとナノ粒子のマルチエキシトンダイナミクス

  金光義彦

  固体物理, Nov. 2011, Invited

  
• ナノ材料の光科学最前線

  金光義彦

  機能材料, May 2011, Invited

  
• ワイドギャップ半導体混晶の高密度励起子発光

  平野大輔; 金光義彦

  固体物理, Mar. 2011, Invited

  
• 半導体/金属ナノ粒子ハイブリッド構造における新しい光学現象

  金光義彦

  Electrochemistry 79, 103-107 (2011)., Feb. 2011, Invited

  
• カーボンナノチューブにおける一次元励起子

  松田一成、金光義彦

  日本物理学会誌 Vol.64, No.8 (2009) 595., Aug. 2009, Invited

  
• 高効率太陽電池の物理とマルチエキシトン生成

  太野垣健; 金光義彦

  固体物理, Jun. 2009, Invited

  
• プラズモン共鳴を利用した半導体ナノ粒子の発光制御

  松田一成; 金光義彦

  応用物理, May 2009, Invited

  
• シリコン光エミッタ--シリコンナノ粒子を強く光らせる

  金光 義彦; 太野垣 健

  光アライアンス, Jan. 2009, Invited

  
• 顕微分光によるナノ粒子の発光評価

  金光義彦

  マテリアルインテグレーション, Jul. 2008, Invited

  
• 半導体ナノ粒子への不純物ドーピング

  石墨淳; 金光義彦

  日本物理学会誌, Mar. 2008, Invited

  
• 不純物ドープ型ナノ粒子の発光特性

  石墨 淳; 金光義彦

  ディスプレイ, Nov. 2007, Invited

  
• ナノ粒子発光体

  金光義彦

  セラミックデータブック２００７, 2007, Invited

  
• ナノ粒子蛍光体の光物性と広がる可能性

  金光義彦; 石墨 淳

  セラミックス, 2006, Invited

  
• ナノ粒子発光材料

  金光義彦

  未来材料, Mar. 2005, Invited

  
• 量子点・ナノクリスタル

  山本愛士; 金光義彦

  オプトロニクス, 2005, Invited

  
• ナノ粒子オプトサイエンスの展開

  金光義彦

  応用物理, Mar. 2004, Invited

  
• ナノ粒子：期待される新しい機能性材料

  金光義彦

  SEAJ Journal, 2004, Invited

  
• フォトニック結晶における非線形効果の増強とデバイス化

  井上英幸; 金光義彦

  マテリアルインテグレーション, Jun. 2003, Invited

  
• 有機ポリシラン－シリカハイブリッド薄膜の光機能性

  内藤裕義; 松川公洋; 松浦幸仁; 井上弘; 金光義彦

  マテリアルインテグレーション, May 2002, Invited

  
• シリコンナノ構造：光るシリコン

  金光義彦

  マテリアルインテグレーション, May 2002, Invited

  
• シリコンレーザー

  金光義彦

  化学, 2002, Invited

  
• 新しい光機能性材料としての有機無機ハイブリッド薄膜

  松川公洋; 松浦幸仁; 井上弘; 内藤裕義; 金光義彦

  固体物理, 2002, Invited

  
• 発光ディスプレイ材料としてのナノ微粒子

  金光義彦

  ディスプレイ, Sep. 2001, Invited

  
• ナノマテリアルズサイエンス：波動関数の空間制御と新機能性

  金光義彦; 櫛田孝司

  マテリアルインテグレーション, May 2001, Invited

  
• シリコン発光材料の設計

  金光義彦

  化学工業, 2000, Invited

  
• 半導体ナノ構造の作製を可能にするイオン打ち込み法

  固体物理, 2000, Invited

  
• ポーラスシリコンによる青緑色発光

  金光義彦

  ディスプレイ, Jun. 1996, Invited

  
• シリコンナノクリスタル: 発光のメカニズム

  金光義彦

  日本結晶学会誌, 1996, Invited

  
• シリコンナノクリスタルの発光メカニズム

  金光義彦

  応用物理, 1996, Invited

  
• ポーラスシリコンの電界発光とその応用

  三村秀典; 松本貴裕; 金光義彦

  固体物理, 1995, Invited

  
• モノづくりとスペクトロスコピー：ポーラスシリコン

  金光義彦

  分光研究, 1994, Invited

  
• シリコン低次元系の電子構造と光学応答

  白石賢二; 小川哲生; 大野隆央; 武田京三郎; 金光義彦

  応用物理, 1994, Invited

  
• 光るシリコン

  金光義彦; 小川哲生; 舛本泰章

  日本物理学会誌, 1994, Invited

  
• SiおよびGeのナノメートル量子構造の物質科学：物理と化学の接点

  化学と工業, 1994, Invited

  
• 青く光るシリコン

  金光義彦

  パリティ, Aug. 1993, Invited

  
• 光伝導性ポリマーのキャリア輸送

  金光義彦

  電子写真学会誌, 1993, Invited

  
• ポーラスシリコン：赤色から青色発光へ

  金光義彦; 二木登史郎; 松本貴裕; 三村秀典

  固体物理, 1993, Invited

  
• クラスターから固体へ:光学特性を中心としたSiとGeのサイズ効果

  金光義彦

  応用物理, 1993, Invited

  
• ナノメートルＧｅ微結晶の光物性

  金光義彦; 舛本泰章

  表面科学, 1993, Invited

  
• 積層有機光伝導体における光キャリア挙動

  金光義彦

  電子写真学会誌, 1991, Invited

  
• 超短パルスレーザーによる物質制御とマテリアルプロセシング

  金光義彦; 黒田寛人

  応用物理, 1985, Invited

  

Presentations

• Photophysics of Metal Halide Perovskites: Single Crystals, Nanocrystals, Thin Films, and Photonic Devices

  Y. Kanemitsu

  24th INTERNATIONAL WORKSHOP ON ACTIVE-MATRIX FLATPANEL DISPLAYS AND DEVICES (AM-FPD17), 05 Jul. 2017, Invited

  
• Multiexciton Recombination Dynamics in CsPbBr3 Perovskite Nanocrystals Revealed by Femtosecond Transient Absorption and Single Dot Spectroscopies

  N. Yarita; H. Tahara; T. Ihara; T. Kawawaki; R. Sato; M. Saruyama; T. Teranishi; Y. Kanemitsu

  The Conference on Lasers and Electro-Optics/Europe and the European Quantum Electronics (CLEO/Europe-EQEC 2017), 27 Jun. 2017

  
• Impact of Photon Recycling on Carrier Recombination Processes in CH3NH3PbBr3 Single Crystals Revealed by Time-Resolved Two-Photon-Excitation Microscopy

  T. Yamada; Y. Yamada; Y. Nakaike; A. Wakamiya; Y. Kanemitsu

  The Conference on Lasers and Electro-Optics/Europe and the European Quantum Electronics (CLEO/Europe-EQEC 2017), 27 Jun. 2017

  
• Charge Carrier Injection at the Heterointerface in CH3NH3PbI3 Perovskite Solar Cells Studied by Time-Resolved Photoluminescence and Photocurrent Imaging Spectroscopy

  T. Handa; D. Yamashita; D. M. Tex; A. Shimazaki; A. Wakamiya; Y. Kanemitsu

  The Conference on Lasers and Electro-Optics/Europe and the European Quantum Electronics (CLEO/Europe-EQEC 2017), 27 Jun. 2017

  
• Free Excitons and Exciton-phonon Coupling in CH3NH3PbI3 Perovskite Single Crystals at Low Temperatures

  L. Q. Phuong; Y. Nakaike; A. Wakamiya; Y. Kanemitsu

  The Conference on Lasers and Electro-Optics/Europe and the European Quantum Electronics (CLEO/Europe-EQEC 2017), 27 Jun. 2017

  
• THz spectroscopy as a new characterization tool for solar-cell materials and devices

  Y. Kanemitsu

  Molecular Photoscience Research Center International Symposium "Recent Advances in Terahertz Molecular Science”, 10 Mar. 2017, Invited

  
• Photophysics of Organometal Halide Perovskites: a High-quality Solution-processed Optoelectronic Material

  Y. Kanemitsu

  9th International Symposium on Advanced Plasma Science and its Applications for Nitrides and Nanomaterials (ISPlasma2017) / 10th International Conference on Plasma-Nano Technology & Science (IC-PLANTS2017), 05 Mar. 2017, Invited

  
• Photon upconversion using InAs-based quantum structures and the control of intermediate states

  I. Kamiya; D. M. Tex; Y. Zhang; Y. Kanemitsu

  SPIE Photonic West 2017, 30 Jan. 2017, Invited

  
• Light emission from high-quality solution-processed semiconductor nanomaterials: nanoparticles and perovskites

  Y. Kanemitsu

  The 23rd International Display Workshops, 08 Dec. 2016, Invited

  
• Luminescence Spectroscopy of Metal‐Halide Perovskites: A Solution‐Processed High‐Efficiency Photonic Material

  Y. Kanemitsu

  Pacific Rim Meeting on Electrochemical and Solid StateScience (PRiME2016), 04 Oct. 2016, Invited

  
• Accuracy Evaluations for Standardization of Multi-Junction Solar-Cell Characterizations via Absolute Electroluminescence

  M. Yoshita; L. Zhu; C. Kim; H. Kubota; T. Nakamura; M. Imaizumi; Y. Kanemitsu; H. Akuyama

  43nd IEEE Photovoltaic Specialists Conference, 10 Jun. 2016

  
• Current leakage and fill factor in multi-junction solar cells linked via absolute electroluminescence characterization

  L. Zhu; M. Yoshita; T. Nakamura; T. Mochizuki; C. Kim; M. Imaizumi; Y. Kanemitsu; H. Akiyama

  43nd IEEE Photovoltaic Specialists Conference, 07 Jun. 2016

  
• Universal Behavior of Time-resolved Photoluminescence Decays in III-V Solar Cells: Comparison of Subcell Current Generation Dynamics

  D. M. Tex; T. Nakamura; M. Imaizumi; Y. Kanemitsu

  43nd IEEE Photovoltaic Specialists Conference, 07 Jun. 2016

  
• Impact of alkali doping on carrier transport in Cu2ZnSn(S,Se)4 thin films for solar cell applications

  L. Q. Phuong; J. K. Katahara; G. Yamashita; M. Nagai; M. Ashida; H. W. Hillhouce; Y. Kanemitsu

  43nd IEEE Photovoltaic Specialists Conference, 06 Jun. 2016

  
• Luminescence spectroscopy of semiconductor nanomaterials: From nano-scale photon emitters to large-scale solar cells

  Y. Kanemitsu

  15th International Symposium on the Science and technology of Lighting (LS15), 23 May 2016, Invited

  
• Rapid Photocarrier Trapping in CH3NH3PbI3-Based Solar Cells as Revealed by Time-Resolved Photoluminescence Spectroscopy

  Y. Yamada; T. Yamada; N. Maruyama; A. Wakamiya; Y. Kanemitsu

  2016 MRS Spring meeting, 30 Mar. 2016

  
• Long-Range Diffusion and Recombination of Free Carriers in Perovskite CH3NH3PbBr3 Single Crystals

  T. Yamada; Y. Yamada; H. Nishimura; Y. Nakaike; A. Wakamiya; Y. Murata; Y. Kanemitsu

  2016 MRS Spring meeting, 30 Mar. 2016

  
• A Relation between Biexciton Cascade and Absorption Cross Section of Single Semiconductor Nanocrystals

  T. Ihara; Y. Kanemitsu

  17th International Conference on Physics of Light-Matter Coupling in Nanostructures (PLMCN17), 29 Mar. 2016

  
• Auger Recombination of Biexcitons in Single Semiconductor Nanocrystals Studied by Time-resolved Second-order Photon Correlation Measurements

  N. Hiroshige; T. Ihara; Y. Kanemitsu

  17th International Conference on Physics of Light-Matter Coupling in Nanostructures (PLMCN17), 29 Mar. 2016

  
• Photoabsorption of single semiconductor nanocrystals studied by photoluminescence-excitation spectroscopy

  T. Ihara; Y. Kanemitsu

  Institute for Chemical Research International Symposium 2016 (ICRIS'16)- Research Network Based on ICR MOU -, 07 Mar. 2016

  
• Characterization and modeling of radiation damages via internal radiative efficiency in multi-junction solar cells

  L. Zhu; M. Yoshita; T. Nakamura; M. Imaizumi; C. Kim; T. Mochizuki; S. Chen; Y. Kanemitsu; H. Akiyama

  SPIE Photonics West 2016, 16 Feb. 2016

  
• Photoluminescence blinking and spectral diffusion of single CdSe/ZnS nanocrystals: charge fluctuation effects

  H. Ibuki; T. Ihara; Y. Kanemitsu

  SPIE Photonics West 2016, 15 Feb. 2016

  
• Carrier injection and recombination processes in perovskite CH3NH3PbI3 solar cells studied by electroluminescence spectroscopy

  T. Handa; M. Okano; D. M. Tex; A. Shimazaki; T. Aharen; A. Wakamiya; Y. Kanemitsu

  SPIE Photonics West 2016, 15 Feb. 2016

  
• Calibration standards and measurement accuracy of absolute electroluminescence and internal properties in multi-junction and arrayed solar cells

  M. Yoshita; L. Zhu; C. Kim; T. Mochizuki; T. Nakamura; M. Imaizumi; S. Chen; H. Kubota; Y. Kanemitsu; H. Akiyama

  SPIE Photonics West 2016, 15 Feb. 2016

  
• Device performance degradation of perovskite CH3NH3PbI3 solar cells induced by bias voltage

  T. Handa; T. Aharen; A. Wakamiya; Y. Kanemitsu

  The 5th International Conference on MEXT Project of Integrated Research on Chemical Synthesis, 29 Jan. 2016

  
• Control of photocurrent intensity and direction in GaAs using femtosecond phase-locked pulses

  H. Tahara; Y. Kanemitsu

  The 5th International Conference on MEXT Project of Integrated Research on Chemical Synthesis, 29 Jan. 2016

  
• Absorption cross section spectra of single semiconductor nanocrystals studied by photoluminescence-excitation spectroscopy

  T. Ihara; Y. Kanemitsu

  The 5th International Conference on MEXT Project of Integrated Research on Chemical Synthesis, 29 Jan. 2016

  
• Current Leakage and Fill Factor in Multi-Junction Solar Cells Linked via Absolute Electroluminescence Characterization

  Lin Zhu; Masahiro Yoshita; Tetsuya Nakamura; Toshimitsu Mochizuki; Changsu Kim; Mitsuru Imaizumi; Yoshihiko Kanemitsu; Hidefumi Akiyama

  2016 IEEE 43RD PHOTOVOLTAIC SPECIALISTS CONFERENCE (PVSC), 2016, IEEE

  
• Universal behavior of time-resolved photoluminescence decays in III-V solar cells: comparison of subcell current generation dynamics

  David M. Tex; Tetsuya Nakamura; Mitsuru Imaizumi; Yoshihiko Kanemitsu

  2016 IEEE 43RD PHOTOVOLTAIC SPECIALISTS CONFERENCE (PVSC), 2016, IEEE

  
• Photocarrier Diffusion Dynamics of CH3NH3PbI3 Single Crystals Revealed by Multiphoton Excitaion Spectroscopy

  Y. Yamada; T. Yamada; L. Q. Phuong; N. Maruyama; H. Nishimura; A. Wakamiya; Y. Murata; Y. Kanemitsu

  1st International Conference on Perovskite Solar Cells and Optoelectronics (PSCO-2015), 29 Sep. 2015

  
• Electroluminescence and Photoluminescence Imaging Spectroscopy of CH3NH3PbI3 Solar Cells: Degradation Mechanism

  T. Handa; M. Okano; M. Endo; T. Aharen; A. Wakamiya; Y. Kanemitsu

  1st International Conference on Perovskite Solar Cells and Optoelectronics (PSCO-2015), 27 Sep. 2015

  
• Voc Evaluation of Solar Cells and Modules Using Absolute EL Images

  T. Mochizuki; C. Kim; M. Yoshita; J. Mitchell; Z. Lin; S. Chen; H. Takato; Y. Kanemitsu; H. Akiyama

  31st European PV Solar Energy Conference and Exhibition (EUPVSEC), 17 Sep. 2015

  
• Photo-induced Carrier Dynamics of CuInS2/CdS Tetrapod Nanocrystal

  M. Sakamoto; M. Okano; M. Saruyama; Y. -G. So; K. Kimoto; Y. Kanemitsu; T. Teranishi

  27th International Conference on Photochemistry (ICP2015), 30 Jun. 2015

  
• Synthesis and Photo-induced Carrier Dynamics of CdS/CdTe Nanopencils

  M. Sakamoto; M. Okano; M. Saruyama; Y. Kanemitsu; T. Teranishi

  2015 Korean-Japan Bilateral Symposium on Frontier Photoscience (2015KJFP), 28 Jun. 2015, Invited

  
• Photocurrent Coherent Control in GaAs Using Femtosecond Phase-locked Pulses

  H. Tahara; Y. Kanemitsu

  2015 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC 2015), 25 Jun. 2015

  
• Recombination dynamics of the lowest-energy excitons in single-walled carbon nanotubes under resonant and nonresonant excitation

  T. Nishihara; M. Okano; Y. Yamada; Y. Kanemitsu

  Eighth International Conference on Molecular Electronics and Bioelectronics (M&BE8), 23 Jun. 2015

  
• Characterizations of radiation damages in multi-junction solar cells focused on subcell internal luminescence quantum yields via absolute electroluminescence measurements

  L. Zhu; M. Yoshita; S. Chen; T. Nakamura; T. Mochizuki; C. Kim; M. Imaizumi; Y. Kanemitsu; H. Akiyama

  42nd IEEE Photovoltaic Specialists Conference, 18 Jun. 2015

  
• Optoelectronic properties of Cu2ZnSnS4 single crystals revealed by optical time-resolved spectroscopy

  L. Q. Phuong; M. Okano; Y. Yamada; A. Nagaoka; K. Yoshino; Y. Kanemitsu

  42nd IEEE Photovoltaic Specialists Conference, 17 Jun. 2015

  
• Determining Subcell Carrier-Collection Efficiencies of Triple-Junction Solar Cells Using Time-Resolved Photoluminescence

  D. M. Tex; T. Ihara; H. Akiyama; M. Imaizumi; Y. Kanemitsu

  42nd IEEE Photovoltaic Specialists Conference, 16 Jun. 2015

  
• Absolute Electroluminescence Imaging of Multi-Junction Solar Cells and Calibration Standards

  M. Yoshita; L. Zhu; C. Kim; H. Akiyama; S. Chen; T. Mochizuki; H. Kubota; T. Nakamura; M. Imaizumi; Y. Kanemitsu

  42nd IEEE Photovoltaic Specialists Conference, 16 Jun. 2015

  
• Time-Resolved Optical Spectroscopy of Semiconductor Materials and Devices: Nanocrystals, Nanotubes, and Perovskites

  Y. Kanemitsu

  The Korean Physicsl Society, 23 Apr. 2015, Invited

  
• Fabrication Dependence of Carrier Recombination Rates in CH3NH3PbI3 Perovskite Semiconductors

  Y. Yamada; T. Yamada; M. Endo; H. Nishimura; A. Wakamiya; Y. Kanemitsu

  2015 MRS Spring meeting, 09 Apr. 2015

  
• Optical Spectra and Dynamics of Perovskite CH3NH3PbI3 Single Crystals

  T. Yamada; Y. Yamada; L. Q. Phuong; M. Endo; H. Nishimura; Y. Nakaike; A. Wakamiya; Y. Kanemitsu

  2015 MRS Spring meeting, 08 Apr. 2015

  
• Ultrafast Photocarrier Dynamics in Cu(In,Ga)Se2 Thin Films Studied Using Optical Spectroscopy Techniques

  M. Okano; Y. Takabayashi; T. Sakurai; K. Akimoto; H. Shibata; S. Niki; Y. Kanemitsu

  2015 MRS Spring meeting, 07 Apr. 2015

  
• Perspective on Realizing Nanostructured Intermediate-Band Solar Cells

  D. M. Tex; Y. Kanemitsu

  7th International Symposium on Advanced Plasma Science and its Applications for Nitrides and Nanomaterials/ 8th International Conference on Plasma-Nano Technology & Science (ISPlasma2015/ IC-PLANTS2015), 29 Mar. 2015, Invited

  
• Multi-junction-solar-cell designs and characterizations based on detailed-balance principle and luminescence yields

  H. Akiyama; M. Yoshita; C. Kim; S. Chen; Y. Kanemits

  SPIE Photonics West 2015, 10 Feb. 2015, Invited

  
• Determining subcell carrier-collection efficiencies of triple-junction solar cells using time-resolved photoluminescence

  David M. Tex; Toshiyuki Ihara; Hidefumi Akiyama; Mitsuru Imaizumi; Yoshihiko Kanemitsu

  2015 IEEE 42ND PHOTOVOLTAIC SPECIALIST CONFERENCE (PVSC), 2015, IEEE

  
• Room-Temperature Annealing Effect in Perovskite CH3NH3PbI3 Solar Cells Revealed by Time-Resolved Photoluminescence Spectroscopy

  Y. Yamada; M. Endo; A. Wakamiya; Y. Kanemitsu

  2014 MRS Fall meeting, 03 Dec. 2014

  
• Dynamics of Photocarriers in Organic-inorganic Hybrid Perovskite CH3NH3PbI3 for Solar-cell Applications

  Y. Yamada; M. Endo; A. Wakamiya; Y. Kanemitsu

  The 6th World Conferenceon Photovoltaic Energy Conversion (WCPEC-6), 27 Nov. 2014

  
• Strongly-carrier-density-dependent Luminescent Coupling in Multi-junction Tandem Solar Cells Revealed via Absolute-electroluminescenceefficiency Measurements

  S. Chen; L. Zhu; M. Yoshita; T. Mochizuki; C. Kim; H. Akiyama; T. Nakamura; M. Imaizumi; Y. Kanemitsu

  The 6th World Conferenceon Photovoltaic Energy Conversion (WCPEC-6), 26 Nov. 2014

  
• Optoelectronic Properties of Undoped and Na-doped Cu2ZnSnS4 signle crystals

  L. Q. Phuong; M. Okano; Y. Yamada; A. Nagaoka; K. Yoshino; Y. Kanemitsu

  The 6th World Conferenceon Photovoltaic Energy Conversion (WCPEC-6), 26 Nov. 2014

  
• Influence of Trapping Processes on Photocurrent Generation Efficiencies in Quantum-dot Intermediate-band Solar Cells

  D. Tex; T. Ihara; I. Kamiya; Y. Kanemitsu

  The 6th World Conferenceon Photovoltaic Energy Conversion (WCPEC-6), 26 Nov. 2014

  
• Photocarrier Dynamics of Cu(In,Ga)Se2 Thin Films Revealed by Time-resolved Photoluminescence and Transient Absorption Measurements

  M. Okano; Y. Takabayashi; T. Sakurai; K. Akimoto; H. Shibata; S. Niki; Y. Kanemitsu

  The 6th World Conferenceon Photovoltaic Energy Conversion (WCPEC-6), 25 Nov. 2014

  
• Photocarrier dynamics in CIGS, CZTS and related materials revealed by ultrafast optical spectroscopy

  M. Okano; Y. Kanemitsu

  19th International Conference on Ternary and Multinary Compounds (ICTMC-19), 03 Sep. 2014, Invited

  
• Identification of trap states for two-step two-photon-absorption processes in InAs quantum structures for intermediate-band solar cells

  D. Tex; I. Kamiya; Y. Kanemitsu

  40th IEEE Photovoltaic Specialists Conference (PVSC 40), 13 Jun. 2014

  
• Conversion Efficiency Limits and Optimized Designs for Tandem Solar Cells with Realistic Sub-cell Material Quality

  L. Zhu; T. Mochizuki; M. Yoshita; S. Chen; S. Sato; C. Kim; H. Akiyama; Y. Kanemitsu

  40th IEEE Photovoltaic Specialists Conference (PVSC 40), 12 Jun. 2014

  
• Photoelectronic Responses in Solution-Processed Perovskite CH3NH3PbI3 Solar Cell Studied by Photoluminescence and Photoabsorption Spectroscopy

  Y. Yamada; T. Nakamura; M. Endo; A. Wakamiya; Y. Kanemitsu

  40th IEEE Photovoltaic Specialists Conference (PVSC 40), 10 Jun. 2014

  
• Balance sheets of energy and carriers and subcell characteristics in a GaInP/GaAs/Ge tandem solar

  S. Chen; L. Zhu; M. Yoshita; T. Mochizuki; C. Kim; H. Akiyama; M. Imaizumi; Y. Kanemitsu

  40th IEEE Photovoltaic Specialists Conference (PVSC 40), 10 Jun. 2014

  
• Silicon Quantum Dot Optoelectronics: Status and Future Challenges

  Y. Kanemitsu

  2014 IEEE Silicon Nanoelectronics Workshop, 08 Jun. 2014, Invited

  
• Relationships between Photoluminescence Spectra, Lifetime, and Polarization Anisotropy on Single Heterostructured Nanocrystals Exhibiting Blinking

  T. Ihara; R. Sato; T. Teranishi; Y. Kanemitsu

  30 years of colloidal quantum dots, 27 May 2014

  
• Charge separation dynamics in type-II CdS/CdTe heteronanopencils revealed by femtosecond pump-probe spectroscopy

  M. Okano; M. Sakamoto; T. Teranishi; Y. Kanemitsu

  30 years of colloidal quantum dots, 27 May 2014

  
• Photocarrier dynamics in Cu2ZnSnS4 single crystals: The role of band tail states

  L. Q. Phuong; M. Okano; Y. Yamada; A. Nagaoka; K. Yoshino; Y. Kanemitsu

  2014 MRS Spring meeting, 24 Apr. 2014

  
• Fundamental optical properties of solution-processed CH3NH3PbI3/TiO2 solar cells

  Y. Yamada; T. Nakamura; M. Endo; A. Wakamiya; Y. Kanemitsu

  2014 MRS Spring meeting, 24 Apr. 2014

  
• Temperature dependence of photoluminescence dynamics in Cu2ZnSnS4 signle crystals

  L. Q. Phuong; M. Okano; Y. Yamada; A. Nagaoka; K. Yoshino; Y. Kanemitsu

  2014 MRS Spring meeting, 23 Apr. 2014

  
• Photocarrier recombination and localization dynamics of LaAlO3/SrTiO3 heterostructures

  Y. Yamada; H. K. Sato; Y. Hikita; H. Y. Hwang; Y. Kanemitsu

  SPIE Photonics West 2014, 03 Feb. 2014

  
• Silicon quantum dot optoelectronics: Status and future challenges

  Yoshihiko Kanemitsu

  2014 IEEE SILICON NANOELECTRONICS WORKSHOP (SNW), 2014, IEEE, Invited

  
• Photocarrier recombination and localization dynamics of LaAlO 3/SrTiO3 heterostructures

  Y. Yamada; H. K. Sato; Y. Hikita; H. Y. Hwang; Y. Kanemitsu

  Proceedings of SPIE - The International Society for Optical Engineering, 2014, SPIE

  
• Spectroscopy of higher exciton states in single-walled carbon nanotubes

  M. Okano; Y. Kanemitsu

  International Conference on Small Science (ICSS 2013), 15 Dec. 2013, Invited

  
• Spectroscopic Imaging of Efficient Photocurrent Generation Sites in InAs Intermediate Band Quantum Structures: Improved Design of Upconversion Layers Containing Nanodisks and Quantum Dots

  D. M. Tex; T. Ihara; I. Kamiya; Y. Kanemitsu

  2013 MRS Fall meeting, 02 Dec. 2013

  
• Femotosecond photocurrent dynamics in InAs quantum structures for intermediate-band solar cells

  Y. Yamada; D. M. Tex; I. Kamiya; Y. Kanemitsu

  2013 MRS Fall meeting, 02 Dec. 2013

  
• Hole-doping modulates electronic structures of single-walled carbon nanotubes

  M. Okano; T. Nishihara; Y. Kimoto; T. Ihara; Y. Yamada; Y. Kanemitsu

  2013 JSAP-MRS Joint Symposia, 19 Sep. 2013

  
• Carrier Recombination Dynamics at the LaAlO3/SrTiO3 Heterointerface

  Y. Yamada; H. Sato; Y. Hikita; H. Y. Hwang; Y. Kanemitsu

  2013 JSAP-MRS Joint Symposia, 19 Sep. 2013

  
• Ultrafast Photoresponses in Ferroelectric BiFeO3 Thin Films

  T. Nakamura; Y. Yamada; S. Yasui; H. Funakubo; Y. Kanemitsu

  2013 JSAP-MRS Joint Symposia, 17 Sep. 2013

  
• Temperature dependence of highly efficient photocurrent generation in shallow InAs quantum structures

  D. M. Tex; T. Ihara; I. Kamiya; Y. Kanemitsu

  2013 JSAP-MRS Joint Symposia, 17 Sep. 2013

  
• Recombination dynamics of photoexcited electrons and holes in rutile and anatase TiO2

  Y. Yamada; Y. Kanemitsu

  The 18th International Conference on Electron Dynamics in Semiconductors, Optoelectronics and Nanostructures (EDISON 18), 24 Jul. 2013

  
• Dynamics of photogenerated carriers in ferroelectric BiFeO3 thin films

  T. Nakamura; Y. Yamada; S. Yasui; H. Funakubo; Y. Kanemitsu

  The 18th International Conference on Electron Dynamics in Semiconductors, Optoelectronics and Nanostructures (EDISON 18), 24 Jul. 2013

  
• InAs Quantum Well Islands - a Novel Structure For Photon Up-conversion From the Near IR To the Visible

  I. Kamiya; D. M. Tex; K. Shimomura; F. Yamada; K. Takabayashi; Y. Kanemitsu

  39th IEEE Photovoltaic Specialists Conference(PVSC39), 20 Jun. 2013

  
• Quantized Exciton-hole Recombination in Hole-doped Single-walled Carbon Nanotubes

  Y. Yamada; T. Nishihara; M. Okano; Y. Kanemitsu

  The 4th International Symposium on Organic and Inorganic Electronic Materials and Related Nanotechnologies (EM-NANO 2013), 18 Jun. 2013

  
• Design concept for efficient intermediate band solar cells based on multicarrier Auger processes

  D. M. Tex; I. Kamiya; Y. Kanemitsu

  E-MRS 2013 SPRING MEETING, 27 May 2013

  
• Quantized Exciton Recombination Dynamics in Single-Walled Carbon Nanotubes

  T. Nishihara; Y. Yamada; M. Okano; Y. Kanemitsu

  The 7th International Conference on Nanophotonics/The 3rd Conference on Advances in Optoelectronics and Micro/Nano Optics (ICNP/AOM 2013), 21 May 2013, Invited

  
• Exciton Decay Dynamics in Hole-Doped Single-Walled Carbon Nanotubes

  T. Nishihara; Y. Kimoto; M. Okano; Y. Yamada; Y. Kanemitsu

  Seventh International conference on Molecular Electronics and Bioelectronics(M&BE7), 18 Mar. 2013

  
• Dynamics of excitons and trions in semiconducting carbon nanotube

  M. Okano; T. Nishihara; Y. Yamada; Y. Kanemitsu

  SPIE Photonics West 2013, 06 Feb. 2013, Invited

  
• Dynamics of excitons and trions in semiconducting carbon nanotubes

  M. Okano; T. Nishihara; Y. Yamada; Y. Kanemitsu

  Proceedings of SPIE - The International Society for Optical Engineering, 2013

  
• Optical Spectroscopy of Cycloparaphenylenes

  T. Nishihara; Y. Segawa; K. Itami; Y Kanemitsu

  The 2nd International Conference on MEXT Project of Integrated Research on Chemical Synthesis “Molecular Functions in Complex Systems”, 10 Dec. 2012

  
• Explore for optical functionalities of semiconducting nanomaterials using femtosecond laser spectroscopy

  M. Okano; T. Nishihara; Y. Yamada; Y. Kanemitsu

  The 2nd International Conference on MEXT Project of Integrated Research on Chemical Synthesis “Molecular Functions in Complex Systems”, 10 Dec. 2012

  
• Efficient upconversion in InAs/AlGaAs quantum well islands for intermediate state solar cells

  D. Tex; I. Kamiya; Y. Kanemitsu

  4th International Workshop on Quantum Nanostructure Solar Cells, 05 Dec. 2012, Invited

  
• The Quantum Well Island - A New Candidate for Intermediate State Solar Cell Quantum Structures

  D. Tex; I. Kamiya; Y. Kanemitsu

  2012 Materials Research Society Fall Meeting(2012MRS Fall), 28 Nov. 2012

  
• Auger recombination dynamics in type-II Ge/Si quantum dots and its application to photovoltaic devices

  T. Tayagaki; K. Ueda; S. Fukatsu; N. Usami; Y. Kanemitsu

  2012 Materials Research Society Fall Meeting(2012MRS Fall), 28 Nov. 2012

  
• Dynamics of Free Carriers in SrTiO₃

  Y. Yamada; Y. Kanemitsu

  2012 Materials Research Society Fall Meeting(2012MRS Fall), 26 Nov. 2012

  
• Photoluminescence dynamics of high-density excitons in AlGaN mixed crystals

  D. Hirano; T. Tayagaki; Y. Yamada; Y. Kanemitsu

  International Workshop on Nitride Semiconductors 2012 (IWN2012), 18 Oct. 2012

  
• Multiexciton Generation and Recombination in Semiconductor Nanomaterials

  Y. Kanemitsu

  2012 International Conference on Solid State Devices and Materials (SSDM2012), 25 Sep. 2012, Invited

  
• Optical Responses of Group IV Semiconductor Nanostructures

  Y. Kanemitsu

  International Univon of Materials Research Societies- Int'l Conf. on Electronic Materials (IUMRS-ICEM2012), 24 Sep. 2012, Invited

  
• Auger recombination in semiconductors nanostructures

  Y. Kanemitsu

  DYCE International Workshop, 10 Aug. 2012, Invited

  
• Recombination dynamics of excitons and trions in hole-doped single-walled carbon nanotubes

  T. Nishihara; M. Okano; Y. Yamada; Y. Kanemitsu

  31st International Conference on the Physics of Semiconductors (ICPS2012), 02 Aug. 2012

  
• Magneto-photoluminescence excitation spectroscopy in T-shaped GaAs quantum wires

  M. Okano; Y. Kanemitsu; S. Chen; T. Mochizuki; M. Yoshita; H. Akiyama; L. N. Pfeiffer; K. W. West

  31st International Conference on the Physics of Semiconductors (ICPS2012), 31 Jul. 2012

  
• Fast luminescence decay of electron-hole quasi-two dimensional systems in Si nanolayer

  Y. Sakurai; T. Tayagaki; K. Ohmori; K. Yamada; Y. Kanemitsu; K.Shiraishi; S. Nomura

  31st International Conference on the Physics of Semiconductors (ICPS2012), 31 Jul. 2012

  
• Band-gap shrinkage in hole-doped single-walled carbon nanotubes

  Y. Kimoto; M. Okano; Y. Kanemitsu

  31st International Conference on the Physics of Semiconductors (ICPS2012), 31 Jul. 2012

  
• Enhanced Carrier Extraction under Strong Light Irradiation in Ge/Si Type-II Quantum Dot Solar Cells

  T. Tayagaki; N. Usami; W. Pan; Y. Hoshi; Y. Kanemitsu

  38th IEEE Photovoltaic Specialists Conference(PVSC38), 08 Jun. 2012

  
• Photocarrier Recombination Dynamics in Rutile and Anatase TiO₂

  Y. Yamada; Y. Kanemitsu

  Fifth International Conference on Optical, Optoelectronic and Photonic Materials and Applications (ICOOPMA12), 07 Jun. 2012

  
• Multicarrier Recombination Dynamics in Semiconductor Nanomaterials

  Y. Kanemitsu; M. Okano; T. Nishihara; S.Taguchi; Y. Yamada

  Fifth International Conference on Optical, Optoelectronic and Photonic Materials and Applications (ICOOPMA12), 06 Jun. 2012, Invited

  
• Mechanism of photoluminescence enhancement of single-walled carbon nanotubes by chemical doping

  M. Okano; Y. Kanemitsu

  Fifth International Conference on Optical, Optoelectronic and Photonic Materials and Applications (ICOOPMA12), 04 Jun. 2012

  
• Exciton Recombination Dynamics in Hole-doped Single-walled Carbon Nanotubes

  T. Nishihara; M. Okano; Y. Yamada; Y. Kanemitsu

  Fifth International Conference on Optical, Optoelectronic and Photonic Materials and Applications (ICOOPMA12), 04 Jun. 2012

  
• Dynamics of Excitons and Trions in Single-Walled Carbon Nanotubes

  T. Nishihara; M. Okano; Y. Kanemitsu

  221st ECS Meeting in Seattle, 08 May 2012, Invited

  
• Multicarrier recombination dynamics in semiconductors

  Y. Kanemitsu

  DYCE-ASIA Workshop, 24 Apr. 2012, Invited

  
• Multiexcition Dynamics in Semiconductor Nanomaterials

  Y. Kanemitsu

  5th GCOE International Symposium on Photonics and Electronics Science and Engineering, 09 Mar. 2012, Invited

  
• Charge transfer dynamics in CdS/CdTe nanocrystal quantum dots studies by transient absorption spectroscopy

  S. Taguchi; Y. Kanemitsu

  5th GCOE International Symposium on Photonics and Electronics Science and Engineering, 09 Mar. 2012

  
• Dynamics of charge separation and multicarrier recombinaiton in CdS/CdTe heterodimer nanocrystals

  S. Taguchi; M. Saruyama; T. Teranishi; Y. Kanemitsu

  American Physical Society March Meeting 2012 (APS 2012), 27 Feb. 2012

  
• Carrier extraction and multi-carrier interactions in Ge/Si quantum dot solar cells

  T. Tayagaki; N. Usami; Y. Kanemitsu

  21st International Photovoltaic Science and Engineering Conference(PVSEC-21), 30 Nov. 2011

  
• Multiexciton Dynamics in New Solar Cell Materials

  Y. Kanemitsu

  7th Handai Nanoscience and nanotechnology International Symposium -Nanoscience and nanotechnology in the Next Ten Years-, 11 Nov. 2011, Invited

  
• Phonon-Assisted Band-to-Band Luminescence and Carrier Recombination Processes in SrTiO₃

  Y. Yamada; Y. Kanemitsu

  2011 International Conference on Solid State Devices and Materials (SSDM 2011), 29 Sep. 2011

  
• Exciton and Biexciton Dynamics in CdSe Nanospheres and Nanorods: Shape Dependence

  S. Taguchi; M. Saruyama; T. Teranishi; Y. Kanemitsu

  24th International Conference on Amorphous and Nanocrystalline Semiconductors (ICANS 24), 23 Aug. 2011

  
• High-Density Carrier Dynamics in Ge/Si Quantum Dots Studied by Time-Resolved Photoluminescence Spectroscopy

  T. Tayagaki; K. Ueda; S. Fukatsu; Y. Kanemitsu

  24th International Conference on Amorphous and Nanocrystalline Semiconductors (ICANS 24), 22 Aug. 2011

  
• Blue Light Emission and Photocarrier Dynamics of Perovskite Oxide Semiconductors

  Y. Yamada; Y. Kanemitsu

  16th International Conference on Luminescence & Optical Spectroscopy of Condensed Matter (ICL'11), 30 Jun. 2011, Invited

  
• Optical Spectroscopy of Dark Excitons and Trions in Carbon Nanotubes

  R. Matsunaga; K. Matsuda; Y. Kanemitsu

  4th Workshop on Nanotube Optics and Nanospectroscopy(WONTON'11), 30 May 2011, Invited

  
• Photoluminescence Enhancement of Single-walled Carbon Nanotube Using Localized Plasmon Resonance Effect

  K. Matsuda; T. Sakashita; Y. Miyauchi; Y. Kanemitsu

  4th Workshop on Nanotube Optics and Nanospectroscopy(WONTON'11), 29 May 2011

  
• Band-Edge Luminescence From SrTiO3: No Polaron Effect

  Y. Yamada; Y. Kanemitsu

  7th International Symposium on Transparent Oxide Thin Films for Electronics and Optics(TOEO-7), 14 Mar. 2011

  
• Photocarrier recombination dynamics of SrTiO3

  Y. Yamada; Y. Kanemitsu

  SPIE Photonics West, Jan. 2011, Invited