Basic Information

Faculty

• Faculty of Engineering

Professional Memberships

• THE SOCIETY OF POLYMER SCIENCE, JAPAN
• THE ELECTROCHEMICAL SOCIETY OF JAPAN
• THE JAPAN SOCIETY OF APPLIED PHYSICS
• THE SURFACE FINISHING SOCIETY OF JAPAN

Academic Degree

• Master (Engineering)(Osaka University)
• PhD (Science)(Osaka University)

Academic Resume (Graduate Schools)

• Osaka University, Graduate School of Engineering Science, 修了
• Osaka University, Graduate School of Engineering Science, 修了

Academic Resume (Undergraduate School/Majors)

• Osaka University, 基礎工学部化学応用科学科, 卒業

Research History

• From Apr. 2014, To Present

  Kyoto University, Graduate school of Engineering, Assistant professor
• From Apr. 2012, To Mar. 2014

  Osaka University, Graduate school of Engineering Science, 学術振興会特別研究員

Profile

• Profile

  I joined the Nanoscopic Surface Architecture laboratory at April, 2014. I study the photo-modification and molecular self-assembly processes at surfaces of electrodes, polymers, and 2 dimensional materials.

Language of Instruction

• English
• Japanese

ID,URL

• ORCID ID

  0000-0002-0023-7812

• J-Global ID

  201401093657735457

• Researcher ID

  N-4391-2014

• Researcher number

  70734979

• External link

  https://scholar.google.co.jp/citations?user=jTkRdxwAAAAJ&hl=ja&oi=ao

researchmap URL

• https://researchmap.jp/7000009546

Research

Research Topics, Overview of the research

• Research Topics

  Surface physical chemistry of semiconductor and metals. Recently, we have found that graphene oxide (GO) sheets can assist the chemical etching reactions of silicon. We are focusing on the application of 2-dimensional atomic- and molecular-layer materials for future materials processing.

• Overview of the research

  Self-assembled monolayer formation on the silicon and metal surfaces, and its electrochemical characterization. Molecular thin film formation on polymer surfaces.

Research Interests

• Surface Chemistry
• Electrochemistry
• Scanning Probe Microscopy
• graphene

Research Areas

• Nanotechnology/Materials, Composite materials and interfaces
• Nanotechnology/Materials, Thin-film surfaces and interfaces
• Nanotechnology/Materials, Basic physical chemistry

Papers

• Vapor phase silicon etching assisted by graphene oxide for microsized pillar fabrication

  Yuta Goto; Toru Utsunomiya; Takashi Ichii

  Japanese Journal of Applied Physics, 03 Mar. 2025, Peer-reviewed, Corresponding author

  
• Chemical etching of silicon assisted by graphene oxide under negative electric bias

  Yuta Goto; Toru Utsunomiya; Takashi Ichii; Hiroyuki Sugimura

  Nanoscale Advances, 2025, Peer-reviewed, Corresponding author

  
• One-step fabrication of sharp platinum/iridium tips via amplitude-modulated alternating-current electropolishing

  Yuto Nishiwaki; Toru Utsunomiya; Shu Kurokawa; Takashi Ichii

  Applied Physics Letters, 01 Feb. 2025, Peer-reviewed

  
• Molecular-Resolution Imaging of Ionic Liquid/Alkali Halide Interfaces with Varied Surface Charge Densities via Atomic Force Microscopy

  Yifan Bao; Yuto Nishiwaki; Touma Kawano; Toru Utsunomiya; Hiroyuki Sugimura; Takashi Ichii

  ACS Nano, 26 Aug. 2024, Peer-reviewed

  
• Interfacial Structures and Mechanical Response of Highly Viscous Polymer Melt on Solid Surfaces Investigated by Atomic Force Microscopy

  Yuto Nishiwaki; Yuya Yamada; Toru Utsunomiya; Hiroyuki Sugimura; Takashi Ichii

  The Journal of Physical Chemistry C, 03 Jul. 2024, Peer-reviewed

  
• Two-dimensional analysis of the interfacial solvation structure of an ionic liquid electrolyte on a hydrogen-terminated Si electrode by atomic force microscopy

  Takashi Ichii; Kazuyuki Itakura; Yifan Bao; Toru Utsunomiya; Hiroyuki Sugimura

  Japanese Journal of Applied Physics, 01 May 2024, Peer-reviewed

  
• MoS₂-assisted chemical etching of silicon in an HF/H₂O vapor

  Kaichi Yamamoto; Toru Utsunomiya; Takashi Ichii; Hiroyuki Sugimura

  Japanese Journal of Applied Physics, 01 Apr. 2024, Peer-reviewed, Corresponding author

  
• Vacuum ultraviolet-induced surface modification of polyoxymethylene plates for photo-activation bonding

  Mitsuhiro Gonda; Toru Utsunomiya; Takashi Ichii; Hiroyuki Sugimura

  International Journal of Adhesion and Adhesives, Oct. 2023, Peer-reviewed

  
• Interaction between the substrate and probe in liquid metal Ga: experimental and theoretical analysis

  Ken-ichi Amano; Kentaro Tozawa; Maho Tomita; Riko Takagi; Rieko Iwayasu; Hiroshi Nakano; Makoto Murata; Yousuke Abe; Toru Utsunomiya; Hiroyuki Sugimura; Takashi Ichii

  RSC Advances, 2023, Peer-reviewed

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• Defect Mapping and Densification in Self-Assembled Monolayers of Octadecyltrichlorosilane on SiO₂

  Yasuharu Miyamoto; Yukifumi Yoshida; Toru Utsunomiya; Shogo Kunieda; Yusuke Ueda; Masakazu Sanada; Hiroyuki Sugimura

  Solid State Phenomena, 14 Aug. 2023, Peer-reviewed

  
• Direct Atomic-Scale Observation of a Li-Inserted Li₄Ti₅O₁₂ Surface in an Ionic Liquid Electrolyte by Electrochemical Atomic Force Microscopy

  Takashi Ichii; Yuya Takara; Tatsunori Uchida; Mitsunori Kitta; Toru Utsunomiya; Hiroyuki Sugimura

  The Journal of Physical Chemistry C, 17 Jul. 2023, Peer-reviewed

  
• Chemical etching of InP assisted by graphene oxide

  Wataru Kubota; Toru Utsunomiya; Takashi Ichii; Hiroyuki Sugimura

  Japanese Journal of Applied Physics, 01 Mar. 2023, Peer-reviewed, Corresponding author

  
• Fundamental and higher eigenmodes of qPlus sensors with a long probe for vertical-lateral bimodal atomic force microscopy

  Yuya Yamada; Takashi Ichii; Toru Utsunomiya; Kuniko Kimura; Kei Kobayashi; Hirofumi Yamada; Hiroyuki Sugimura

  Nanoscale Advances, 2023, Peer-reviewed

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• Vapor-Phase Chemical Etching of Silicon Assisted by Graphene Oxide for Microfabrication and Microcontact Printing

  Wataru Kubota; Ryoya Yamaoka; Toru Utsunomiya; Takashi Ichii; Hiroyuki Sugimura

  ACS Applied Nano Materials, 26 Aug. 2022, Peer-reviewed, Corresponding author

  
• Fabrication of reduced graphene oxide with high electrical conductivity by thermal-assisted photoreduction of electrochemically-exfoliated graphene oxide

  Yuji Hirotomi; Wataru Kubota; Toru Utsunomiya; Takashi Ichii; Hiroyuki Sugimura

  Japanese Journal of Applied Physics, 01 Sep. 2022, Peer-reviewed, Corresponding author

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• Surface potential and local conductivity measurements of micropatterned aromatic monolayers covalently attached to n-Si(111) via Si–C and Si–O bonds

  Maria Carmela T. Garcia; Toru Utsunomiya; Takashi Ichii; Hiroyuki Sugimura

  Japanese Journal of Applied Physics, 01 Sep. 2022, Peer-reviewed

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• Effect of additive metal salt on ionic liquid/Li₄Ti₅O₁₂ electrode interfaces investigated by atomic force microscopy

  Yifan Bao; Mitsunori Kitta; Takashi Ichii; Toru Utsunomiya; Hiroyuki Sugimura

  Japanese Journal of Applied Physics, 01 Sep. 2022, Peer-reviewed

  
• Effect of anion on water-in-salt/solid interfacial structures investigated by atomic force microscopy

  Jumpei Tsuyoshi; Yifan Bao; Takashi Ichii; Toru Utsunomiya; Hiroyuki Sugimura

  Japanese Journal of Applied Physics, 01 Sep. 2022, Peer-reviewed

  
• Surface charge dependent structure of ionic liquid/alkali halide interfaces investigated by atomic force microscopy

  Harshal P. Mungse; Saki Okudaira; Miho Yamauchi; Takashi Ichii; Toru Utsunomiya; Shingo Maruyama; Yuji Matsumoto; Hiroyuki Sugimura

  Japanese Journal of Applied Physics, 01 Sep. 2022, Peer-reviewed

  
• Comparative Studies of Photoelectron Spectroscopy and Voltammetry of Ferrocene-Terminated Self-Assembled Monolayers

  Yokota Yasuyuki; Mino Yoshitada; Kanai Yuta; Utsunomiya Toru; Imanishi Akihito; Fukui Ken-ichi

  Abstract of annual meeting of the Surface Science of Japan, 2015

  
• Atomic-Scale Structural Analysis on the Interfaces between Molten Gallium and Solid Alloys by Atomic Force Microscopy

  Takashi Ichii; Makoto Murata; Toru Utsunomiya; Hiroyuki Sugimura

  The Journal of Physical Chemistry C, 02 Dec. 2021, Peer-reviewed

  
• Vacuum Ultra-violet Photo-Activation Bonding of Polyoxymethylene Plate

  Mitsuhiro GONDA; Toru UTSUNOMIYA; Takashi ICHII; Hiroyuki SUGIMURA

  Journal of The Surface Finishing Society of Japan, 01 Dec. 2021, Peer-reviewed

  
• Controlled Growth of Organosilane Micropatterns on Hydrophilic and Hydrophobic Surfaces Templated by Vacuum Ultraviolet Photolithography

  Ahmed I. A. Soliman; Cheng-Tse Wu; Toru Utsunomiya; Takashi Ichii; Hiroyuki Sugimura

  Langmuir, 30 Nov. 2021, Peer-reviewed

  
• Kelvin probe force microscopy studies on the influence of hydrocarbon chain length on 1-alkene self-assembled monolayers on Si (111)

  Maria Carmela T. Garcia; Toru Utsunomiya; Takashi Ichii; Hiroyuki Sugimura

  Japanese Journal of Applied Physics, 01 Sep. 2021, Peer-reviewed

  
• Visualization of solvation structure on Li4Ti5O12(111)/ ionic liquid-based electrolyte interface by atomic force microscopy

  Yifan Bao; Mitsunori Kitta; Takashi Ichii; Toru Utsunomiya; Hiroyuki Sugimura

  Japanese Journal of Applied Physics, 01 Sep. 2021, Peer-reviewed

  
• Chemical Etching of Silicon Assisted by Graphene Oxide in an HF–HNO3 Solution and Its Catalytic Mechanism

  Wataru Kubota; Toru Utsunomiya; Takashi Ichii; Hiroyuki Sugimura

  Langmuir, 17 Aug. 2021, Peer-reviewed, Corresponding author

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• Microstructured SiOx/COP Stamps for Patterning TiO2 on Polymer Substrates via Microcontact Printing

  Cheng-Tse Wu; Toru Utsunomiya; Takashi Ichii; Hiroyuki Sugimura

  Langmuir, 22 Sep. 2020, Peer-reviewed

  
• Room temperature direct patterning of nanocrystalline zinc oxide on flexible polymer substrates through vacuum ultraviolet light irradiation

  Ahmed I.A. Soliman; Cheng-Tse Wu; Toru Utsunomiya; Takashi Ichii; Hiroyuki Sugimura

  Thin Solid Films, Sep. 2020, Peer-reviewed

  
• Local current mapping of electrochemically-exfoliated graphene oxide by conductive AFM

  Wataru Kubota; Toru Utsunomiya; Takashi Ichii; Hiroyuki Sugimura

  Japanese Journal of Applied Physics, 01 Aug. 2020, Peer-reviewed, Corresponding author

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• Room temperature bonding of cycloolefin polymer by vacuum ultraviolet surface photoactivation

  Mitsuhiro Gonda; Toru Utsunomiya; Takashi Ichii; Hiroyuki Sugimura

  International Journal of Adhesion and Adhesives, Jul. 2020, Peer-reviewed

  
• Fabrication of TiO 2 Micropatterns on Flexible Substrates by Vacuum‐Ultraviolet Photochemical Treatments

  Cheng‐Tse Wu; Ahmed I. A. Soliman; Yudi Tu; Toru Utsunomiya; Takashi Ichii; Hiroyuki Sugimura

  Advanced Materials Interfaces, Apr. 2020, Peer-reviewed

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• Visualizing polymeric liquid/solid interfaces by atomic force microscopy utilizing quartz tuning fork sensors

  Yuya Yamada; Takashi Ichii; Toru Utsunomiya; Hiroyuki Sugimura

  Japanese Journal of Applied Physics, 30 Mar. 2020, Peer-reviewed

  
• Solvation structure on water-in-salt/mica interfaces and its molality dependence investigated by atomic force microscopy

  Takashi Ichii; Satoshi ichikawa; Yuya Yamada; Makoto Murata; Toru Utsunomiya; Hiroyuki Sugimura

  Japanese Journal of Applied Physics, 17 Mar. 2020, Peer-reviewed

  
• Surface potential contrasts between 1-alkene, 1-thiol and 1-alcohol self-assembled monolayers on silicon (111) substrate

  Maria Carmela T. Garcia; Toru Utsunomiya; Takashi Ichii; Hiroyuki Sugimura

  Japanese Journal of Applied Physics, 01 Mar. 2020, Peer-reviewed

  
• Stability of a phosphonic acid monolayer on aluminum in liquid environments

  Noboru Hiwasa; Toru Utsunomiya; Takashi Ichii; Hiroyuki Sugimura

  Japanese Journal of Applied Physics, 01 Mar. 2020, Peer-reviewed, Corresponding author

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• Formation of submicron-sized silica patterns on flexible polymer substrates based on vacuum ultraviolet photo-oxidation

  Wu, Cheng-Tse; Soliman, Ahmed I. A.; Utsunomiya, Toru; Ichii, Takashi; Sugimura, Hiroyuki

  RSC ADVANCES, Oct. 2019, Peer-reviewed

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• Chemical Immobilization of Graphene Oxide on Hydrogen Terminated Silicon via Vinyl Aniline Molecule Linking

  Yu, Kunhua; Takara, Yuya; Tu, Yudi; Utsunomiya, Toru; Ichii, Takashi; Sugimura, Hiroyuki

  CHEMISTRY LETTERS, Sep. 2019, Peer-reviewed

  
• Simultaneous detection of vertical and lateral forces by bimodal AFM utilizing a quartz tuning fork sensor with a long tip

  Yamada, Yuya; Ichii, Takashi; Utsunomiya, Toru; Sugimura, Hiroyuki

  JAPANESE JOURNAL OF APPLIED PHYSICS, Sep. 2019, Peer-reviewed

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• Chemical etching of silicon assisted by graphene oxide

  Kubota, Wataru; Ishizuka, Ryuko; Utsunomiya, Toru; Ichii, Takashi; Sugimura, Hiroyuki

  JAPANESE JOURNAL OF APPLIED PHYSICS, May 2019, Peer-reviewed

  
• 1,2-Epoxyalkane: Another Precursor for Fabricating Alkoxy Self-Assembled Monolayers on Hydrogen-Terminated Si(111)

  Soliman, Ahmed I. A.; Utsunomiya, Toru; Ichii, Takashi; Sugimura, Hiroyuki

  LANGMUIR, Nov. 2018, Peer-reviewed

  
• Vacuum Ultraviolet Treatment of Acid- and Ester-Terminated Self Assembled Monolayers: Chemical Conversions and Friction Reduction

  Soliman, Ahmed I. A.; Utsunomiya, Tom; Ichii, Takashi; Sugimura, Hiroyuki

  LANGMUIR, Mar. 2018, Peer-reviewed

  
• Investigation of BMI-PF6 Ionic Liquid/Graphite Interface Using Frequency Modulation Atomic Force Microscopy

  Mungse, Harshal P.; Ichii, Takashi; Utsunomiya, Toru; Sugimura, Hiroyuki

  MRS ADVANCES, 2018, Peer-reviewed

  
• Low Damage Reductive Patterning of Oxidized Alkyl Self-Assembled Monolayers through Vacuum Ultraviolet Light Irradiation in an Evacuated Environment

  Ahmed I. A. Soliman; Yudi Tu; Toru Utsunomiya; Takashi Ichii; Hiroyuki Sugimura

  LANGMUIR, Oct. 2017, Peer-reviewed

  
• Decoration of reduced graphene oxide by gold nanoparticles: an enhanced negative photoconductivity

  Qi Wang; Yudi Tu; Takashi Ichii; Toru Utsunomiya; Hiroyuki Sugimura; Lifeng Hao; Rongguo Wang; Xiaodong He

  NANOSCALE, Oct. 2017, Peer-reviewed

  
• Immobilization of Reduced Graphene Oxide on Hydrogen-Terminated Silicon Substrate as a Transparent Conductive Protector

  Yudi Tu; Toni Utsunomiya; Sho Kokufu; Masahiro Soga; Takashi Ichii; Hiroyuki Sugimura

  LANGMUIR, Oct. 2017, Peer-reviewed

  
• Protective layer for cycloolefin polymer against an aromatic solvent prepared by chemical vapor deposition using cyclosiloxane as a raw molecule

  Toru Utsunomiya; Taiki Kanzawa; Takashi Ichii; Hiroyuki Sugimura

  THIN SOLID FILMS, Sep. 2017, Peer-reviewed

  
• Vacuum ultraviolet trimming of oxygenated functional groups from oxidized self-assembled hexadecyl monolayers in an evacuated environment

  Ahmed I. A. Soliman; Toru Utsunomiya; Takashi Ichii; Hiroyuki Sugimura

  APPLIED SURFACE SCIENCE, Sep. 2017, Peer-reviewed

  
• Potential dependent structure of electric double layer faced to solid electrode surfaces analyzed by electrochemical frequency modulation atomic force microscopy

  Ken-ichi Fukui; Toru Utsunomiya; Yasuyuki Yokota

  JAPANESE JOURNAL OF APPLIED PHYSICS, Aug. 2017, Peer-reviewed

  
• Fabrication of reduced graphene oxide micro patterns by vacuum-ultraviolet irradiation: From chemical and structural evolution to improving patterning precision by light collimation

  Yudi Tu; Hiroshi Nakamoto; Takashi Ichii; Toru Utsunomiya; Om Prakash Khatri; Hiroyuki Sugimura

  CARBON, Aug. 2017, Peer-reviewed

  
• Redox of ferrocenylthiol SAMs in electrolytes with bis[(trifluoromethyl)sulfonyl]amide as unique anions: Parallel between aqueous and ionic liquid media

  Takahiro Asai; Atsushi Kitada; Toru Utsunomiya; Kazuhiro Fukami; Kuniaki Murase

  Journal of Electroanalytical Chemistry, 15 Jun. 2017, Peer-reviewed

  
• Enhancing the electrical conductivity of vacuum-ultraviolet-reduced graphene oxide by multilayered stacking

  Yudi Tu; Toru Utsunomiya; Takashi Ichii; Hiroyuki Sugimura

  JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B, May 2017, Peer-reviewed

  
• Enhancing the Electrical Conductivity of VUV-reduced Graphene Oxide by Multilayered Stacking

  Yudi Tu; Toru Utsunomiya; Takashi Ichii; Hiroyuki Sugimura

  Journal of Vacuum Science & Technology B, 2017, Peer-reviewed

  
• Photochemical Preparation of Alkoxy Self-assembled Monolayers on Si from 1,2-Epoxyalkane Molecules

  Ahmed I. A. Soliman; Sho Kokufu; Torn Utsunomiya; Takashi Ichii; Hiroyuki Sugimura

  CHEMISTRY LETTERS, May 2016, Peer-reviewed

  
• Vacuum-Ultraviolet Promoted Oxidative Micro Photoetching of Graphene Oxide

  Yudi Tu; Toru Utsunomiya; Takashi Ichii; Hiroyuki Sugimura

  ACS APPLIED MATERIALS & INTERFACES, Apr. 2016, Peer-reviewed

  
• Self-assembled thin film of imidazolium ionic liquid on a silicon surface: Low friction and remarkable wear-resistivity

  Rashi Gusain; Sho Kokufu; Paramjeet S. Bakshi; Toru Utsunomiy; Takashi Ichii; Hiroyuki Sugimura; Om P. Khatri

  APPLIED SURFACE SCIENCE, Feb. 2016, Peer-reviewed

  
• Self-Assembly of Graphene Oxide on Silicon Substrate via Covalent Interaction: Low Friction and Remarkable Wear-Resistivity

  Harshal P. Mungse; Yudi Tu; Takashi Ichii; Toru Utsunomiya; Hiroyuki Sugimura; Om P. Khatri

  ADVANCED MATERIALS INTERFACES, Feb. 2016, Peer-reviewed

  
• Correction: Chemical conversion of self-assembled hexadecyl monolayers with active oxygen species generated by vacuum ultraviolet irradiation in an atmospheric environment (Soft Matter (2015) 11 (5678–5687) DOI: 10.1039/C6SM90177H)

  Soliman, A.I.A.; Ichii, T.; Utsunomiya, T.; Sugimura, H.

  Soft Matter, 2016, Peer-reviewed

  
• Two-step sharpening process for silicon probe in quartz-based atomic force microscopy sensor

  Takashi Ichii; Nobumasa Tagai; Kohei Omori; Tatsunori Uchida; Toru Utsunomiya; Hiroyuki Sugimura

  JAPANESE JOURNAL OF APPLIED PHYSICS, Sep. 2015, Peer-reviewed

  
• Electronic-State Changes of Ferrocene-Terminated Self-Assembled Mono layers Induced by Molecularly Thin Ionic Liquid Layers: A Combined Atomic Force Microscopy, X-ray Photoelectron Spectroscopy, and Ultraviolet Photoelectron Spectroscopy Study

  Yasuyuki Yokota; Yoshitada Mino; Yuta Kanai; Toni Utsunomiya; Akihito Imanishi; Ken-ichi Fukui

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

  
• True Molecular-resolution Imaging on Alkanethiol Self-assembled Mono layers in Ionic Liquids by Frequency Modulation Atomic Force Microscopy Utilizing a Quartz Tuning Fork Sensor

  Takashi Ichii; Yoshihisa Furutani; Masahiro Negami; Toru Utsunomiya; Kuniaki Murase; Hiroyuki Sugimura

  CHEMISTRY LETTERS, Apr. 2015, Peer-reviewed

  
• Vacuum-ultraviolet photoreduction of graphene oxide: Electrical conductivity of entirely reduced single sheets and reduced micro line patterns

  Yudi Tu; Takashi Ichii; Toru Utsunomiya; Hiroyuki Sugimura

  APPLIED PHYSICS LETTERS, Mar. 2015, Peer-reviewed

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• Chemical conversion of self-assembled hexadecyl monolayers with active oxygen species generated by vacuum ultraviolet irradiation in an atmospheric environment

  Ahmed I. A. Soliman; Takashi Ichii; Toru Utsunomiya; Hiroyuki Sugimura

  SOFT MATTER, 2015, Peer-reviewed

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• Potential-dependent structures investigated at the perchloric acid solution/iodine modified Au(111) interface by electrochemical frequency-modulation atomic force microscopy

  Toru Utsunomiya; Shoko Tatsumi; Yasuyuki Yokota; Ken-ichi Fukui

  PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 2015, Peer-reviewed

  
• Voltammetric and in situ frequency modulation atomic force microscopic investigation of phenalenyl derivatives adsorbed on graphite surfaces

  Toru Utsunomiya; Yasuyuki Yokota; Toshiaki Enoki; Yasukazu Hirao; Takashi Kubo; Ken-ichi Fukui

  CARBON, Oct. 2014, Peer-reviewed

  
• Comparative Studies of Photoelectron Spectroscopy and Voltammetry of Ferrocene-Terminated Self-Assembled Monolayers Possessing Different Electron-Donating Abilities

  Yasuyuki Yokota; Yoshitada Mino; Yuta Kanai; Toru Utsunomiya; Akihito Imanishi; Matthaeus A. Wolak; Rudy Schlaf; Ken-ichi Fukui

  JOURNAL OF PHYSICAL CHEMISTRY C, May 2014, Peer-reviewed

  
• Potential-dependent hydration structures at aqueous solution/graphite interfaces by electrochemical frequency modulation atomic force microscopy

  Toru Utsunomiya; Yasuyuki Yokota; Toshiaki Enoki; Ken-ichi Fukui

  CHEMICAL COMMUNICATIONS, 2014, Peer-reviewed

  
• Electron transfer of phenalenyl derivative molecules adsorbed at the graphite electrode/aqueous solution interface

  Toru Utsunomiya; Yasuyuki Yokota; Toshiaki Enoki; Yasukazu Hirao; Takashi Kubo; Ken-ichi Fukui

  CARBON, Nov. 2013, Peer-reviewed

  
• Ferrocene-terminated alkanethiol self-assembled monolayers: An electrochemical and in situ surface-enhanced infra-red absorption spectroscopy study

  Alexander V. Rudnev; Ulmas Zhumaev; Toru Utsunomiya; Chunjie Fan; Yasuyuki Yokota; Ken-ichi Fukui; Thomas Wandlowski

  ELECTROCHIMICA ACTA, Sep. 2013, Peer-reviewed

  

Presentations

• Vapor Phase Silicon Etching Assisted by Graphene Oxide with Photochemically Modified In-plane Structure

  Yuta Goto; Toru Utsunomiya; Takashi Ichii

  MNC 2024, 37th International Microprocesses and Nanotechnology Conference, 15 Nov. 2024

  
• Chemical Etching of Si with Graphene Oxide and its Reduced Form in an HF-HNO3 Solution

  Toru Utsunomiya; Yuki Miura; Takashi Ichii

  MNC 2024, 37th International Microprocesses and Nanotechnology Conference,, 14 Nov. 2024

  
• Chemical Etching of Silicon Assisted by Graphene Oxide under Negative Electric Bias

  Yuta Goto; Toru Utsunomiya; Takashi Ichii; Hiroyuki Sugimura

  ISSS-10, 21 Oct. 2024

  
• 酸化グラフェンアシストSi気相エッチングにおけるシート面相構造依存性

  後藤 雄太; 宇都宮 徹; 一井 崇

  第85回応用物理学会秋季学術講演会, 20 Sep. 2024

  
• 気相法によるSi(111)表面へのエポキシアルカンSAM形成

  郷田 雅幸; 宇都宮 徹; 一井 崇

  第85回応用物理学会秋季学術講演会, 18 Sep. 2024

  
• 溶融金属中二体間相互作用力のAFM分析

  西脇 悠人; 宇都宮 徹; 天野 健一; 一井 崇

  第85回応用物理学会秋季学術講演会, 17 Sep. 2024

  
• 酸化グラフェン光還元体を利用したシリコンエッチング

  三浦 有貴; 宇都宮 徹; 一井 崇

  第85回応用物理学会秋季学術講演会, 17 Sep. 2024

  
• Chemical Eching of Silicon in a Vapor Phase Assisted by Thin MoS2 Crystals

  Kaichi Yamamoto; Toru Utsunomiya; Takashi Ichii; Hiroyuki Sugimura

  MNC2023, 36th International Microprocesses and Nanotechnology Conference, 15 Nov. 2023

  
• Assisted Etching of Silicon with Photopatterned Graphene Oxide

  Toru Utsunomiya; Hiroshi Shimakawa; Wataru Kubota; Takashi Ichii; Hiroyuki Sugimura

  Interfinish2020, 07 Sep. 2021

  
• 二次元材料を用いたシリコンのアシストエッチング

  宇都宮 徹

  第7回原子層プロセスワークショップ, 12 Jul. 2024, Invited

  
• 酸化グラフェンを触媒として用いたシリコンの化学エッチング

  宇都宮 徹

  表面技術協会 アノード酸化皮膜の機能化部会（ARS部会）第38回ARS姫路コンファレンス, 07 Nov. 2023, 表面技術協会 アノード酸化皮膜の機能化部会（ARS部会）, Invited

  
• 真空紫外光照射を用いた酸化グラフェンの還元

  宇都宮 徹

  日本分光学会 紫外フロンティア分光部会 第5回講演会「紫外光研究のフロンティア」, 27 Jan. 2023, 日本分光学会 紫外フロンティア分光部会, Invited

  
• Chemical Eching of Silicon Assisted by Photochemically Patterned Graphene Oxide

  Toru Utsunomiya; Hiroshi Shimakawa; Wataru Kubota; Takashi Ichii; Hiroyuki Sugimura

  MNC2022, 35th International Microprocesses and Nanotechnology Conference, 10 Nov. 2022

  
• 光照射を用いて作製したデュアルドープグラフェンの構造評価と電極触媒への応用

  宇都宮 徹

  第124回黒鉛化合物研究会, 18 May 2018, Invited

  
• Ferrocenyl-Alkyl Mixed Self-Assembled Monolayer Formed on Hydrogen-Terminated Silicon

  Toru Utsunomiya; Yuki Takatani; Takashi Ichii; Hiroyuki Sugimura

  The 10th International Symposium on Organic Molecular Electronics (ISOME 2018), May 2018

  
• Heteroatom-doping to graphene oxide through the photochemical treatments using vacuum ultraviolet light

  Toru Utsunomiya; Masahiro Soga; Makoto Yoneda; Yudi Tu; Takashi Ichii; Hiroyuki Sugimura

  The 8th International Symposium on Surface Science (ISSS-8), Oct. 2017

  
• Heteroatom-doping to graphene oxide through the photo-irradiation techniques

  Toru Utsunomiya; Masahiro Soga; Yudi Tu; Takashi Ichii; Hiroyuki Sugimura

  Symposium on Surface Science & Nanotechnology -25th Anniversary of SSSJ Kansai- (SSSN-Kansai), Jan. 2017

  
• 1,2-Epoxyalkane: Another Precursor Molecules for Self-Assembled Monolayers on Hydrogen Terminated Si(111)

  Toru Utsunomiya; Ahmed Ibrahim Abdelhamid Soliman; Sho Kokufu; Takashi Ichii; Hiroyuki Sugimura

  16th International Conference on Organized Molecular Films (ICOMF16)-LB16, Jul. 2016

  
• Rectification properties at the Si(111)/monolayer/liquid metal junction

  Toru Utsunomiya; Anchung Cheng; Takashi Ichii; Hiroyuki Sugimura

  16th International Conference on Organized Molecular Films (ICOMF16)-LB16, Jul. 2016

  
• Hydration Structures at Aqueous Electrolyte/Electrode Interfaces Investigated by Electrochemical Frequency Modulation AFM

  Toru Utsunomiya; Yasuyuki Yokota; Toshiaki Enoki; Ken-ichi Fukui

  17th International Conference on non-contact Atomic Force Microscopy (NC-AFM 2014), Aug. 2014

  
• グラファイト電極/水溶液界面構造の電気化学周波数変調原子間力顕微鏡による観察

  宇都宮 徹; 横田 泰之; 榎 敏明; 福井 賢一

  第74回応用物理学会秋期学術講演会, Sep. 2013

  

Books and Other Publications

• 先端半導体製造プロセスの最新動向と微細化技術

  技術情報協会, Contributor, 第6章第4節 グラフェン誘導体を触媒とした半導体の化学エッチング

  技術情報協会, Sep. 2023, Not refereed

  Find Kyoto University's collection of books :

  
• Compendium of Surface and Interface Analysis

  Toru Utsunomiya; Yasuyuki Yokota; Ken-ichi Fukui, Contributor, Electrochemical Atomic Force Microscopy

  Springer, 2018, Not refereed

  Find Kyoto University's collection of books :

  

External funds: Kakenhi

• Structural control of semiconductor surfaces through chemical etchings assisted by two dimensional materials

  Grant-in-Aid for Scientific Research (B)

  Basic Section 26030:Composite materials and interfaces-related

  Kyoto University

  宇都宮 徹

  From 01 Apr. 2024, To 31 Mar. 2027, Granted

  二次元材料;シリコン;エッチング

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-24K01179/
• Atomic-scale surface and interface structural analysis of crystal growth process in molten metal

  Grant-in-Aid for Scientific Research (B)

  Basic Section 29020:Thin film/surface and interfacial physical properties-related

  Kyoto University

  一井 崇

  From 01 Apr. 2023, To 31 Mar. 2026, Granted

  原子間力顕微鏡;固液界面;溶融金属;結晶成長

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23H01850/
• ナノ力学計測に基づくVUV光活性化高分子接合の原理解明

  Grant-in-Aid for Scientific Research (B)

  Basic Section 26030:Composite materials and interfaces-related

  Kyoto University

  杉村 博之

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

  高分子材料;真空紫外光;原子間力顕微鏡;接合;表面処理

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-21H01635/
• Atomic-scale tribology in liquid environment

  Grant-in-Aid for Challenging Research (Exploratory)

  Medium-sized Section 29:Applied condensed matter physics and related fields

  Kyoto University

  Takashi Ichii

  From 30 Jul. 2020, To 31 Mar. 2022, Project Closed

  原子間力顕微鏡;走査プローブ顕微鏡;固液界面;潤滑;トライボロジー;摩擦

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-20K21143/
• Chemical etching of semiconductors assisted by graphene derivatives towords nano- and micro- fabrication.

  Grant-in-Aid for Scientific Research (B)

  Basic Section 26030:Composite materials and interfaces-related

  Kyoto University

  Toru Utsunomiya

  From 01 Apr. 2020, To 31 Mar. 2023, Project Closed

  酸化グラフェン;半導体;エッチング;シリコン;二次元材料

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-20H02450/
• Formation of 2D materials through a far-UV photochemical reaction at the interface between carbon and silicon oxide.

  Grant-in-Aid for Challenging Research (Exploratory)

  Medium-sized Section 26:Materials engineering and related fields

  Kyoto University

  Hiroyuki Sugimura

  From 29 Jun. 2018, To 31 Mar. 2020, Project Closed

  グラフェン;光化学;真空紫外光;二次元材料;酸化グラフェン;光還元;重水素光源

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-18K18946/
• In situ AFM characterization of alloying process on liquid-metal/solid-metal interfaces

  Grant-in-Aid for Challenging Research (Exploratory)

  Kyoto University

  Takashi Ichii

  From 30 Jun. 2017, To 31 Mar. 2019, Project Closed

  原子間力顕微鏡;溶融金属;固液界面;合金;液体金属;結晶成長;走査プローブ顕微鏡;固-液界面;合金化

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-17K19076/
• Atomic-scale characterization on lithium-ion battery electrodes by using vacuum electrochemical AFM

  Grant-in-Aid for Scientific Research (B)

  Kyoto University

  Takashi Ichii

  From 01 Apr. 2017, To 31 Mar. 2020, Project Closed

  原子間力顕微鏡;走査プローブ顕微鏡;リチウムイオン電池;イオン液体;電気化学;固液界面

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-17H02787/
• Synthetic methods of heteroatom-doped graphene through photoirradiation

  Grant-in-Aid for Young Scientists (B)

  Kyoto University

  Toru Utsunomiya

  From 01 Apr. 2016, To 31 Mar. 2018, Project Closed

  グラフェン;原子層薄膜;光照射;グラフェン誘導体;真空紫外光;シリコン;光還元;窒素;表面・界面物性

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-16K17519/
• VUV treatment through ultra-thin liquid film: Reduction and defect-recovery of graphene oxide

  Grant-in-Aid for Challenging Exploratory Research

  Kyoto University

  Hiroyuki Sugimura

  From 01 Apr. 2016, To 31 Mar. 2017, Project Closed

  表面処理;２次元材料;グラフェン;真空紫外光;光化学反応;化学修飾;光還元;液相反応;酸化グラフェン;還元;光化学

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-16K14404/
• The graphene/silicon photoelectrode for solar energy conversion systems

  Grant-in-Aid for Challenging Exploratory Research

  Kyoto University

  Hiroyuki Sugimura

  From 01 Apr. 2015, To 31 Mar. 2016, Project Closed

  グラフェン;光電気化学;シリコン;表面処理;2次元材料;光水素発生反応;電気化学;半導体電極;酸化防止膜;表面修飾

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-15K14161/
• Development of atomic force microscopy for investigating in liquid metal

  Grant-in-Aid for Challenging Exploratory Research

  Kyoto University

  Takashi Ichii

  From 01 Apr. 2015, To 31 Mar. 2016, Project Closed

  液体金属;固-液界面;原子間力顕微鏡;走査プローブ顕微鏡;固液界面

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-15K13362/
• Organic-inorganic bonding through VUV-surface activation

  Grant-in-Aid for Scientific Research (A)

  Kyoto University

  HIROYUKI SUGIMURA

  From 01 Apr. 2015, To 31 Mar. 2018, Project Closed

  異種接合;表面接合;真空紫外光;高分子材料;無機材料;金属材料;光化学反応;自己集積化単分子膜;原子平坦面;表面処理;光化学

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-15H02297/
• Vacuum electrochemical atomic force microscopy on ionic-liquid/electrode interfaces

  Grant-in-Aid for Scientific Research (B)

  Kyoto University

  Takashi Ichii

  From 01 Apr. 2014, To 31 Mar. 2017, Project Closed

  原子間力顕微鏡;走査プローブ顕微鏡;電気化学;固液界面;イオン液体

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-26286050/
• VUV surface-activation bonding

  Grant-in-Aid for Scientific Research (A)

  Kyoto University

  HIROYUKI SUGIMURA

  From 01 Apr. 2012, To 31 Mar. 2015, Project Closed

  表面処理;接合・接着;異種接合;高分子材料;自己集積化単分子膜;真空紫外光;光化学反応;マイクロ流路;光活性化;材料加工・処理;表界面物性;接合;有機単分子膜;表面・界面物性;表面活性化;有機ー無機接合

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-24246121/
• Atomic-scale surface and interface structural analysis of crystal growth process in molten metal

  Grant-in-Aid for Scientific Research (B)

  Basic Section 29020:Thin film/surface and interfacial physical properties-related

  Kyoto University

  一井 崇

  From 01 Apr. 2023, To 31 Mar. 2026, Granted

  原子間力顕微鏡;固液界面;溶融金属;結晶成長

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23K26543/

Education

Student achievements: Awards

• 研究奨励賞

  Yuta Goto, 表面技術協会，第24回関西表面技術フォーラム, 18 Nov. 2022
• 学術奨励講演賞

  Wataru Kubota, The Surface Finishing Society of Japan, 09 Mar. 2022
• Student Award

  窪田航, Interfinish 2020, 30 Sep. 2021
• 優秀発表賞

  権田光宏, 令和元年度鉄鋼プロセス研究会・材料化学研究会合同研究会, 13 Dec. 2019
• 優秀ポスター発表賞

  日和佐登, 第21回関西表面技術フォーラム, 22 Nov. 2019
• 優秀ポスター賞

  権田光宏, 第68回高分子討論会, 09 Oct. 2019
• 優秀発表賞

  窪田航, 平成30年度材料化学研究会・鉄鋼プロセス研究会合同研究会, 18 Dec. 2018
• 優秀発表賞

  村田真, 平成29年度材料化学研究会・鉄鋼プロセス研究会合同研究会, 11 Dec. 2017
• 優秀発表賞

  羅紫馨, 平成29年度材料化学研究会・鉄鋼プロセス研究会合同研究会, 11 Dec. 2017
• Excellent Poster

  屠宇迪, 2017 International Graphene Innovation Conference, 26 Sep. 2017
• ポスター賞

  神澤大基, 資源・素材学会, 14 Sep. 2016
• Poster award

  田飼伸匡, The 23rd International Colloquium on Scanning Probe Microscopy, 11 Dec. 2015
• 優秀発表賞

  國府翔, 平成27年度材料化学研究会・鉄鋼プロセス研究会合同研究会, 07 Dec. 2015
• 優秀ポスター賞

  屠宇迪, 材料物性工学談話会(金属学会関西支部), 28 Jan. 2015
• 優秀発表賞

  杉浦慎太郎, 平成26年度鉄鋼プロセス研究会・材料化学研究会合同研究会, 25 Dec. 2014

Academic, Social Contribution

Committee Memberships

• From Jan. 2022, To Present

  評議員, 表面技術協会
• From Apr. 2021, To Present

  関西表面技術フォーラム 実行委員, 表面技術協会
• From Apr. 2021, To Oct. 2021

  第144回講演大会実行委員会委員, 表面技術協会
• From Jan. 2017, To Dec. 2018

  学術講演会プログラム委員, 日本表面真空学会

Academic Contribution

• 第24回関西表面技術フォーラム実行委員会

  Planning, management, etc., Other

  一般社団法人表面技術協会, From Jun. 2022, To 31 Dec. 2023

  
• 第69回応用物理学会春季学術講演会

  Panel moderator

  応用物理学会, From 26 Mar. 2022, To 26 Mar. 2022