Basic Information

Affiliated programs (koza)

• Graduate School of Science, 化学専攻 材料化学講座, 助教

Academic Degree

• 博士（理学）(東京大学)
• 修士（理学）(東京大学)

Research History

• From Apr. 2021, To Present

  京都大学 化学研究所, 物質創製化学研究系 精密無機合成化学研究領域, 助教
• From Apr. 2018, To Mar. 2021

  Kyoto University, Institute for Chemical Research, Research Fellowship for Yang Scientists (PD)
• From Apr. 2015, To Mar. 2018

  The University of Tokyo, Research Fellowship for Yang Scientists (DC)

researchmap URL

• https://researchmap.jp/Rtakahata

Research

Research Topics, Overview of the research

• Research Topics

  Precise control of inorganic nanomaterials and elucidation of intrinsic properties

Research Areas

• Nanotechnology/Materials, Nanomaterials

Papers

• Reversible “on–off” conversion and ultra-high temperature sensitivity of a zero-dimensional lead-free Cs₂InBr₅(H₂O):Sb³⁺ perovskite

  Maohao Yang; Wanyin Ge; Kenshi Matsumoto; Masaki Saruyama; Ryota Sato; Haruka Takekuma; Ryo Takahata; Toshiharu Teranishi

  Inorganic Chemistry Frontiers, 2024

  
• Effects of non-fused and fused substituents in quinoxaline-based central units on conformation, aggregation, and photovoltaic properties of non-fused ring electron acceptors

  Kenta Yamada; Wataru Suzuki; Motohisa Kubota; Junichi Inamoto; Mizuho Kondo; Tomoyuki Koganezawa; Yuki Chiga; Ryo Takahata; Toshiharu Teranishi; Hiroshi Imahori; Tomokazu Umeyama

  Journal of Materials Chemistry C, 2025

  
• An Icosahedral 55-Atom Iron Hydride Cluster Protected by Tri-tert-butylphosphines

  Tatsuya Higaki; Kanata Tanaka; Hitoshi Izu; Shunya Oishi; Koki Kawamoto; Mizuki Tada; W. M. C. Sameera; Ryo Takahata; Toshiharu Teranishi; Soichi Kikkawa; Seiji Yamazoe; Takuya Shiga; Masayuki Nihei; Tatsuhisa Kato; Roger E. Cramer; Zihan Zhang; Karsten Meyer; Yasuhiro Ohki

  Journal of the American Chemical Society, 29 Jan. 2025

  Access this paper :

  
• Quantitative analysis of air-oxidation reactions of thiolate-protected gold nanoclusters

  Wataru Suzuki; Ryo Takahata; Yoshiyuki Mizuhata; Norihiro Tokitoh; Songlin Xue; Toshiharu Teranishi

  Chemical Science, 2024

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• Evolution of fractal patterns in lead-free zero-dimensional perovskite Cs2InBr5(H2O)

  Wanyin Ge; Maohao Yang; Masaki Saruyama; Kenshi Matsumoto; Ryota Sato; Haruka Takekuma; Ryo Takahata; Toshiharu Teranishi

  CrystEngComm, 16 Apr. 2024

  
• 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, 07 Mar. 2024

  
• Pseudomorphic amorphization of three-dimensional superlattices through morphological transformation of nanocrystal building blocks

  Masaki Saruyama; Ryo Takahata; Ryota Sato; Kenshi Matsumoto; Lingkai Zhu; Yohei Nakanishi; Motoki Shibata; Tomotaka Nakatani; So Fujinami; Tsukasa Miyazaki; Mikihito Takenaka; Toshiharu Teranishi

  Chemical Science, 2024

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• Isomer-Selective Conversion of Au Clusters by Au(I) Thiolate Insertion

  Yuki Chiga; Ryo Takahata; Wataru Suzuki; Yoshiyuki Mizuhata; Norihiro Tokitoh; Toshiharu Teranishi

  Inorganic Chemistry, 21 Jun. 2023

  
• Bifunctional Platinum‐Incorporated Polyoxoniobate Derived Catalyst for N ‐formylation of Piperidine Using CO ₂

  Vorakit Chudatemiya; Soichi Kikkawa; Jun Hirayama; Ryo Takahata; Toshiharu Teranishi; Masazumi Tamura; Seiji Yamazoe

  Asian Journal of Organic Chemistry, 13 Oct. 2022

  
• Control over Ligand-Exchange Positions of Thiolate-Protected Gold Nanoclusters Using Steric Repulsion of Protecting Ligands

  Wataru Suzuki; Ryo Takahata; Yuki Chiga; Soichi Kikkawa; Seiji Yamazoe; Yoshiyuki Mizuhata; Norihiro Tokitoh; Toshiharu Teranishi

  Journal of the American Chemical Society, 13 Jul. 2022

  
• Dual functional catalysis of [Nb₆O₁₉]⁸⁻-modified Au/Al₂O₃

  Soichi Kikkawa; Shoji Fukuda; Jun Hirayama; Naoki Shirai; Ryo Takahata; Kosuke Suzuki; Kazuya Yamaguchi; Toshiharu Teranishi; Seiji Yamazoe

  Chemical Communications, 2022

  
• Bimetallic Synergy in Ultrafine Cocatalyst Alloy Nanoparticles for Efficient Photocatalytic Water Splitting

  Christian Mark Pelicano; Masaki Saruyama; Ryo Takahata; Ryota Sato; Yasutaka Kitahama; Hiroyuki Matsuzaki; Taro Yamada; Takashi Hisatomi; Kazunari Domen; Toshiharu Teranishi

  Advanced Functional Materials, 19 May 2022

  
• Inter-element miscibility driven stabilization of ordered pseudo-binary alloy

  Kenshi Matsumoto; Ryota Sato; Yasutomi Tatetsu; Ryo Takahata; Seiji Yamazoe; Miho Yamauchi; Yuji Inagaki; Yoichi Horibe; Masaki Kudo; Takaaki Toriyama; Mitsunari Auchi; Mitsutaka Haruta; Hiroki Kurata; Toshiharu Teranishi

  Nature Communications, Dec. 2022

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• In Situ Control of Crystallinity of 3D Colloidal Crystals by Tuning the Growth Kinetics of Nanoparticle Building Blocks

  Fumiko Nakagawa; Masaki Saruyama; Ryo Takahata; Ryota Sato; Kenshi Matsumoto; Toshiharu Teranishi

  Journal of the American Chemical Society, 06 Apr. 2022

  
• Creation of High‐Performance Heterogeneous Photocatalysts by Controlling Ligand Desorption and Particle Size of Gold Nanocluster

  Yuichi Negishi; Tokuhisa Kawawaki; Yuki Kataoka; Momoko Hirata; Yuki Akinaga; Ryo Takahata; Kosuke Wakamatsu; Yu Fujiki; Miori Kataoka; Soichi Kikkawa; Abdulrahman S. Alotabi; Sakiat Hossain; D. J. Osborn; Toshiharu Teranishi; Gunther G. Andersson; Gregory F. Metha; Seiji Yamazoe

  Angewandte Chemie International Edition, 26 May 2021

  Access this paper :

  
• CdTe quantum dots modified electrodes ITO-(Polycation/QDs) for carbon dioxide reduction to methanol

  Diego Guzmán; Mauricio Isaacs; Tatsuya Tsukuda; Seiji Yamazoe; Ryo Takahata; Ricardo Schrebler; Ana Burgos; Igor Osorio-Román; Francisco Castillo

  Applied Surface Science, Apr. 2020, Peer-reviewed

  
• Electron Microscopic Observation of an Icosahedral Au13 Core in Au25(SePh)18 and Reversible Isomerization between Icosahedral and Face-Centered Cubic Cores in Au144(SC2H4Ph)60

  Ryo Takahata; Seiji Yamazoe; Yosuke Maehara; Kenji Yamazaki; Shinjiro Takano; Wataru Kurashige; Yuichi Negishi; Kazutoshi Gohara; Tatsuya Tsukuda

  Journal of Physical Chemistry C, 24 Feb. 2020, Peer-reviewed

  
• Hard X-ray excited optical luminescence from protein-directed Au∼20 clusters

  Zuoyue Liu; Kyung Oh Jung; Ryo Takahata; Masanori Sakamoto; Toshiharu Teranishi; Mamoru Fujitsuka; Guillem Pratx; Yasuko Osakada

  RSC Advances, 2020, Peer-reviewed

  
• Self-activated Rh–Zr mixed oxide as a nonhazardous cocatalyst for photocatalytic hydrogen evolution

  Toshio Nishino; Masaki Saruyama; Zhanzhao Li; Yoshie Nagatsuma; Mamiko Nakabayashi; Naoya Shibata; Taro Yamada; Ryo Takahata; Seiji Yamazoe; Takashi Hisatomi; Kazunari Domen; Toshiharu Teranishi

  Chemical Science, 2020, Peer-reviewed

  
• Ultrathin gold nanowires and nanorods

  Ryo Takahata; Tatsuya Tsukuda

  Chemistry Letters, 2019, Peer-reviewed

  
• Gold Ultrathin Nanorods with Controlled Aspect Ratios and Surface Modifications: Formation Mechanism and Localized Surface Plasmon Resonance

  Ryo Takahata

  Journal of the American Chemical Society, 30 May 2018

  
• Monodisperse Iridium Clusters Protected by Phenylacetylene: Implication for Size-Dependent Evolution of Binding Sites

  Hiroki Yamamoto; Prasenjit Maity; Ryo Takahata; Seiji Yamazoe; Kiichirou Koyasu; Wataru Kurashige; Yuichi Negishi; Tatsuya Tsukuda

  The Journal of Physical Chemistry C, 25 May 2017

  
• Structural Model of Ultrathin Gold Nanorods Based on High-Resolution Transmission Electron Microscopy: Twinned 1D Oligomers of Cuboctahedrons

  Ryo Takahata

  The Journal of Physical Chemistry C, 25 May 2017

  
• Rayleigh Instability and Surfactant-Mediated Stabilization of Ultrathin Gold Nanorods

  Ryo Takahata

  The Journal of Physical Chemistry C, 04 Aug. 2016

  
• Synthesis and Catalytic Application of Ag₄₄ Clusters Supported on Mesoporous Carbon

  Masaru Urushizaki; Hirokazu Kitazawa; Shinjiro Takano; Ryo Takahata; Seiji Yamazoe; Tatsuya Tsukuda

  The Journal of Physical Chemistry C, 24 Nov. 2015

  
• Thiolate-Mediated Selectivity Control in Aerobic Alcohol Oxidation by Porous Carbon-Supported Au25 Clusters

  Tatchamapan Yoskamtorn; Seiji Yamazoe; Ryo Takahata; Jun-ichi Nishigaki; Anawat Thivasasith; Jumras Limtrakul; Tatsuya Tsukuda

  ACS Catalysis, 03 Oct. 2014

  
• Surface Plasmon Resonance in Gold Ultrathin Nanorods and Nanowires

  Ryo Takahata; Seiji Yamazoe; Kiichirou Koyasu; Tatsuya Tsukuda

  Journal of American Chemical Society, Jun. 2014, Peer-reviewed

  

Misc.

• Effect of Defects on Photoluminescent Properties of CdTe Nanoparticles Depending on Sizes

  高畑遼; 高畑遼; 猿山雅亮; 山添誠司; 寺西利治; 寺西利治

  日本化学会春季年会講演予稿集(Web), 2024

  
• 元素間相溶性に支配されたZ3型規則合金ナノ粒子の形成過程

  松本憲志; 工藤昌輝; 高畑遼; 佐藤良太; 山内美穂; 寺西利治; 寺西利治

  ナノ学会大会講演予稿集, 2023

  
• Size dependence of defect introduction in CdTe nanoparticles

  高畑遼; 猿山雅亮; 坂本雅典; 山添誠司; 寺西利治

  分子科学討論会講演プログラム&要旨(Web), 2021

  
• Spontaneous formation and dynamic structural evolution of nanoparticle superstructure during the growth process of copper sulfide nanoparticles

  猿山雅亮; 中川芙美子; 高畑遼; 佐藤良太; 寺西利治

  日本化学会春季年会講演予稿集(Web), 2021

  
• Spontaneous Formation and Structural Evolution of Three-dimensional Copper Sulfide Nanoparticle Superstructure

  猿山雅亮; 高畑遼; 佐藤良太; 寺西利治

  ナノ学会大会講演予稿集, 2021

  
• Investigation of defects by size separation of CdTe nanoparticles

  高畑遼; 猿山雅亮; 坂本雅典; 山添誠司; 寺西利治

  ナノ学会大会講演予稿集, 2021

  
• Size Separation and Optical Properties of Cadmium Chalcogenide Clusters

  高畑遼; 猿山雅亮; 坂本雅典; 山添誠司; 寺西利治

  ナノ学会大会講演予稿集, 2020

  
• Precise Separation and Optical Properties of Cadmium Chalcogenide Clusters

  高畑遼; 猿山雅亮; 坂本雅典; 寺西利治

  日本化学会春季年会講演予稿集(CD-ROM), 2020

  
• 構造規整された極細金ナノロッドの生成過程と局在表面プラズモン共鳴

  高畑遼; 山添誠司; 山添誠司; 山添誠司; 小安喜一郎; 小安喜一郎; 井村考平; 佃達哉; 佃達哉

  分子科学討論会講演プログラム&要旨(Web), 2018

  

Presentations

• Precise Conversion for Magic Number CdS Clusters through Cation Exchange Reaction

  The 105th CSJ Annual Meeting (2025), 27 Mar. 2025

  
• 魔法数CdSクラスターの精密変換

  高畑遼

  第75回コロイドおよび界面化学討論会, 18 Sep. 2024

  
• Au18量体のサーモクロミズム挙動

  高畑遼

  第75回コロイドおよび界面化学討論会, 18 Sep. 2024

  
• Localized Surface Plasmon Resonance of Ultrathin Gold Nanorods

  Ryo Takahata; Tatsuya Tsukuda

  Materials Research Meeting 2019, 13 Dec. 2019

  
• Precise size separation of cadmium chalcogenide clusters by electrophoresis

  Ryo Takahata

  Okinawa Colloids 2019, 06 Nov. 2019

  
• Gold Ultrathin Nanorods with Controlled Aspect Ratio and Surface Modifications: Formation Mechanism and Localized Surface Plasmon Resonance

  Ryo Takahata

  Reaxys PhD Prize 2019, 04 Oct. 2019, Invited

  
• Separation of Chemically Synthesized Cadmium Chalcogenide Clusters by electrophoresis

  Ryo Takahata; Toshiharu Teranishi

  Gordon Research Seminar, 15 Jun. 2019

  
• Synthesis and Precise Separation of Cadmium Chalcogenide Clusters

  Ryo Takahata; Toshiharu Teranishi

  The 17th Annual Meeting of Society of Nano Science and Technology, 10 May 2019

  

External funds: Kakenhi

• 単一構造カドミウムカルコゲニドクラスターによる欠陥のモデル化と新規材料の開拓

  Grant-in-Aid for Early-Career Scientists

  Basic Section 36010:Inorganic compounds and inorganic materials chemistry-related

  Kyoto University

  高畑 遼

  From 01 Apr. 2021, To 31 Mar. 2024, Granted

  カドミウムカルコゲニド;表面界面;欠陥

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-21K14704/
• 交換反応を起点とした単一金属カルコゲニドクラスターの創製

  Grant-in-Aid for Early-Career Scientists

  Basic Section 32010:Fundamental physical chemistry-related

  Kyoto University

  高畑 遼

  From 01 Apr. 2024, To 31 Mar. 2026, Granted

  金属カルコゲニド;クラスター;交換反応;欠陥

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-24K17653/

Education

Teaching subject(s)

• From 01 Apr. 2024, To 31 Mar. 2025

  Seminar on Material Chemistry IIB

  7125, Fall, Graduate School of Science, 1
• From 01 Apr. 2024, To 31 Mar. 2025

  Seminar on Material Chemistry IIA

  7124, Spring, Graduate School of Science, 1
• From 01 Apr. 2024, To 31 Mar. 2025

  Advanced Material Chemistry IIA

  7228, Spring, Graduate School of Science, 1
• From 01 Apr. 2024, To 31 Mar. 2025

  Seminar on Material Chemistry IID

  7127, Fall, Graduate School of Science, 1
• From 01 Apr. 2024, To 31 Mar. 2025

  Seminar on Material Chemistry IIC

  7126, Spring, Graduate School of Science, 1
• From 01 Apr. 2024, To 31 Mar. 2025

  Advanced Material Chemistry IIB

  7229, Fall, Graduate School of Science, 1
• From 01 Apr. 2024, To 31 Mar. 2025

  Advanced Material Chemistry IID

  7231, Fall, Graduate School of Science, 1
• From 01 Apr. 2024, To 31 Mar. 2025

  Advanced Material Chemistry IIC

  7230, Spring, Graduate School of Science, 1
• From 01 Apr. 2023, To 31 Mar. 2024

  Seminar on Material Chemistry IIA

  7124, Spring, Graduate School of Science, 1
• From 01 Apr. 2023, To 31 Mar. 2024

  Seminar on Material Chemistry IID

  7127, Fall, Graduate School of Science, 1
• From 01 Apr. 2023, To 31 Mar. 2024

  Seminar on Material Chemistry IIC

  7126, Spring, Graduate School of Science, 1
• From 01 Apr. 2023, To 31 Mar. 2024

  Seminar on Material Chemistry IIB

  7125, Fall, Graduate School of Science, 1
• From 01 Apr. 2023, To 31 Mar. 2024

  Advanced Material Chemistry IIC

  7230, Spring, Graduate School of Science, 1
• From 01 Apr. 2023, To 31 Mar. 2024

  Advanced Material Chemistry IIB

  7229, Fall, Graduate School of Science, 1
• From 01 Apr. 2023, To 31 Mar. 2024

  Advanced Material Chemistry IIA

  7228, Spring, Graduate School of Science, 1
• From 01 Apr. 2023, To 31 Mar. 2024

  Advanced Material Chemistry IID

  7231, Fall, Graduate School of Science, 1
• From 01 Apr. 2022, To 31 Mar. 2023

  Fundamental Chemical Experiments

  N308, Fall, Institute for Liberal Arts and Sciences, 2
• From 01 Apr. 2022, To 31 Mar. 2023

  Advanced Material Chemistry IID

  7231, Fall, Graduate School of Science, 1
• From 01 Apr. 2022, To 31 Mar. 2023

  Seminar on Material Chemistry IIC

  7126, Spring, Graduate School of Science, 1
• From 01 Apr. 2022, To 31 Mar. 2023

  Seminar on Material Chemistry IIB

  7125, Fall, Graduate School of Science, 1
• From 01 Apr. 2022, To 31 Mar. 2023

  Seminar on Material Chemistry IIA

  7124, Spring, Graduate School of Science, 1
• From 01 Apr. 2022, To 31 Mar. 2023

  Advanced Material Chemistry IIB

  7229, Fall, Graduate School of Science, 1
• From 01 Apr. 2022, To 31 Mar. 2023

  Seminar on Material Chemistry IID

  7127, Fall, Graduate School of Science, 1
• From 01 Apr. 2022, To 31 Mar. 2023

  Advanced Material Chemistry IIC

  7230, Spring, Graduate School of Science, 1
• From 01 Apr. 2022, To 31 Mar. 2023

  Advanced Material Chemistry IIA

  7228, Spring, Graduate School of Science, 1

Administration

Faculty management (title, position)

• From 01 Apr. 2022, To 31 Mar. 2023

  化学研究所総務・教務委員会委員