横田泰之 (Yasuyuki YOKOTA) - マイポータル - researchmap

基本情報

所属: 国立研究開発法人理化学研究所 Kim表面界面科学研究室専任研究員

学位: 博士(理学)(2007年3月東京工業大学)

ORCID ID: https://orcid.org/0000-0001-8541-1279
J-GLOBAL ID: 200901029254745223
Researcher ID: E-1495-2011
researchmap会員ID: 5000093302

外部リンク: http://www.riken.jp/Kimlab/

研究キーワード

1

表面電気化学

研究分野

2

主要な経歴

6

2018年4月 - 現在

理化学研究所, Kim表面界面科学研究室, 専任研究員
2019年10月 - 2023年3月

科学技術振興機構, さきがけ研究員 (兼任)
2015年10月 - 2018年3月

理化学研究所, Kim表面界面科学研究室, 研究員
2009年4月 - 2015年9月

大阪大学, 大学院基礎工学研究科物質創成専攻, 助教
2007年4月 - 2009年3月

理化学研究所, 川合表面化学研究室, 基礎科学特別研究員
2004年4月 - 2007年3月

理化学研究所, フロンティア研究システム, ジュニア・リサーチ・アソシエイト

学歴

3

2004年4月 - 2007年3月

東京工業大学, 大学院理工学研究科, 化学専攻博士課程
2002年4月 - 2004年3月

東京工業大学, 大学院理工学研究科, 化学専攻修士課程
1996年4月 - 2002年3月

東京工業大学, 理学部, 化学科

主要な委員歴

2

2016年4月 - 現在

日本学術振興会産学協力研究委員会ナノプローブテクノロジー第167委員会, 運営委員
2016年4月 - 現在

公益社団法人日本表面真空学会教育・育成委員会, 委員長

主要な論文

63

光電子分光法を活用した電気化学界面の電子状態探索

横田泰之

表面と真空 66(9) 531-536 2023年査読有り
Electrodeposited Gold Probe for Electrochemical Scanning Tunneling Microscopy

Yuzu Kobayashi, Yasuyuki Yokota, Yasufumi Takahashi, Jun Takeya, Yousoo Kim

J. Phys. Chem. C 127(28) 13929-13935 2023年査読有り
Bridging Electrochemistry and Ultrahigh Vacuum: “Unburying” the Electrode-Electrolyte Interface

Raymond A. Wong, Yasuyuki Yokota, Yousoo Kim

Acc. Chem. Res. 56(14) 2015-2025 2023年査読有り
Single-Molecule Observation of Redox Reactions Enabled by Rigid and Isolated Tripodal Molecules

Yuzu Kobayashi, Yasuyuki Yokota, Raymond A. Wong, Misun Hong, Jun Takeya, Saho Osawa, Fumitaka Ishiwari, Yoshiaki Shoji, Takashi Harimoto, Keisuke Sugimoto …

J. Phys. Chem. C 127(1) 746-758 2023年査読有り
Electrochemical Tip-Enhanced Raman Spectroscopy for Microscopic Studies of Electrochemical Interfaces

Yasuyuki Yokota, Misun Hong, Norihiko Hayazawa, Yousoo Kim

Surf. Sci. Rep. 77(4) 100576 2022年査読有り
Stepping beyond Cyclic Voltammetry: Obtaining the Electronic and Structural Properties of Electrified Solid-Liquid Interfaces

Raymond A. Wong, Yasuyuki Yokota, Yousoo Kim

Curr. Opin. Electrochem. 34 100964 2022年査読有り
Graphite Electrodes Immersed in Nonaqueous Li⁺ Electrolytes Studied with a Combined Ultrahigh Vacuum-Electrochemistry Approach

Raymond A. Wong, Yasuyuki Yokota, Emiko Kazuma, Motoyuki Oniki, Yousoo Kim

J. Phys. Chem. C 125(38) 21093-21100 2021年査読有り
Monatomic Iodine Dielectric Layer for Multimodal Optical Spectroscopy of Dye Molecules on Metal Surfaces

Yasuyuki Yokota, Raymond A. Wong, Misun Hong, Norihiko Hayazawa, Yousoo Kim

J. Am. Chem. Soc. 143(37) 15205-15214 2021年査読有り
Underpotential Deposition of Silver on Gold for Surface Catalysis of Plasmon-Enhanced Reduction of 4-Nitrothiophenol

Misun Hong, Yasuyuki Yokota, Raymond A. Wong, Norihiko Hayazawa, Emiko Kazuma, Yousoo Kim

J. Phys. Chem. C 125(30) 16569-16575 2021年査読有り
Operando Atomic Force Microscopy Study of Electric Double-Layer Transistors Based on Ionic Liquid/Rubrene Single Crystal Interfaces

Yusuke Morino, Yasuyuki Yokota, Ken-ichi Bando, Hisaya Hara, Akihito Imanishi, Jun Takeya, Ken-ichi Fukui

Appl. Phys. Lett. 118(24) 243301 2021年査読有り
Molecular Scale Assessments of Electrochemical Interfaces: In Situ and Ex Situ Approaches

Yasuyuki Yokota, Yousoo Kim

Chem. Lett. 50(2) 297-304 2021年査読有り
Formation and Surface Structures of Highly Ordered Self-Assembled Monolayers of Alkyl Selenocyanates on Au(111) via Ambient-Pressure Vapor Deposition

Seulki Han, Sicheon Seong, Young Ji Son, Yasuyuki Yokota, Tomohiro Hayashi, Masahiko Hara, Jaegeun Noh

J. Phys. Chem. C 124(49) 26730-26740 2020年査読有り
Self-Consistent Tip Conditioning for Tip-Enhanced Raman Spectroscopy in an Ambient Environment

Yasuyuki Yokota, Misun Hong, Norihiko Hayazawa, Bo Yang, Emiko Kazuma, Yousoo Kim

J. Phys. Chem. C 124(42) 23243-23252 2020年査読有り
Probing Consequences of Anion-Dictated Electrochemistry on the Electrode/Monolayer/Electrolyte Interfacial Properties

Raymond A. Wong, Yasuyuki Yokota, Mitsuru Wakisaka, Junji Inukai, Yousoo Kim

Nat. Commun. 11 4194 2020年査読有り
電極界面の局所化学分析に向けた電気化学探針増強ラマン分光の開発

横田泰之, 早澤紀彦, 楊波, 数間恵弥子, Francesca C. I. Catalan, 金有洙

表面と真空 63(6) 277-282 2020年査読有り
Homogeneous Dispersion of Aromatic Thiolates in the Binary Self-Assembled Monolayer on Au(111) via Displacement Revealed by Tip-Enhanced Raman Spectroscopy

Misun Hong, Yasuyuki Yokota, Norihiko Hayazawa, Emiko Kazuma, Yousoo Kim

J. Phys. Chem. C 124(24) 13141-13149 2020年査読有り
Rapid Improvements in Charge Carrier Mobility at Ionic Liquid / Pentacene Single Crystal Interfaces by Self-Cleaning

Yusuke Morino, Yasuyuki Yokota, Hisaya Hara, Ken-ichi Bando, Sakurako Ono, Akihito Imanishi, Yugo Okada, Hiroyuki Matsui, Takafumi Uemura, Jun Takeya …

Phys. Chem. Chem. Phys. 22(11) 6131-6135 2020年査読有り
探針増強ラマン分光の発展: 溶液・電気化学環境測定への展開

横田泰之

化学と工業 73(2) 118-120 2020年査読有り
Unusual Electrochemical Properties of Low-Doped Boron-Doped Diamond Electrodes Containing sp2 Carbon

Jing Xu, Yasuyuki Yokota, Raymond A Wong, Yousoo Kim, Yasuaki Einaga

J. Am. Chem. Soc. 142(5) 2310-2316 2020年査読有り
Correlation Between Mobility and the Hydrogen Bonding Network of Water at an Electrified-Graphite Electrode Using Molecular Dynamics Simulation

Masaya Imai, Yasuyuki Yokota, Ichiro Tanabe, Kouji Inagaki, Yoshitada Morikawa, Ken Ichi Fukui

Phys. Chem. Chem. Phys. 22(3) 1767-1773 2020年査読有り
Visualization of Subnanometric Phonon Modes in a Plasmonic Nano-cavity via Ambient Tip-enhanced Raman Spectroscopy

Maria Vanessa Balois, Norihiko Hayazawa, Satoshi Yasuda, Katsuyoshi Ikeda, Bo Yang, Emiko Kazuma, Yasuyuki Yokota, Yousoo Kim, Takuo Tanaka

NPJ 2D Mater. Appl. 3 38 2019年査読有り
固体/液体界面の電気二重層を真空中で精密解析する

横田泰之, レイモンド A. ウォン, 金有洙

自動車技術 73(7) 116-117 2019年査読有り
Development of Tip-Enhanced Raman Spectroscopy Based on a Scannig Tunneling Microscope in a Controlled Ambient Environment

Maria Vanessa Balois, Norihiko Hayazawa, Chi Chen, Emiko Kazuma, Yasuyuki Yokota, Yousoo Kim, Takuo Tanaka

Jpn. J. Appl. Phys. 58(SI) SI0801 2019年査読有り
In-Situ Spectroscopic Study on the Surface Hydroxylation of Diamond Electrodes

Seiji Kasahara, Taiga Ogose, Norihito Ikemiya, Takashi Yamamoto, Keisuke Natsui, Yasuyuki Yokota, Raymond A Wong, Shota Iizuka, Nagahiro Hoshi, Yoshitaka Tateyama …

Anal. Chem. 91(8) 4980-4986 2019年査読有り
Systematic Assessment of Benzenethiol Self-Assembled Monolayers on Au(111) as a Standard Sample for Electrochemical Tip-Enhanced Raman Spectroscopy

Yasuyuki Yokota, Norihiko Hayazawa, Bo Yang, Emiko Kazuma, Francesca C. I. Catalan, Yousoo Kim

J. Phys. Chem. C 123(5) 2953-2963 2019年査読有り
Discerning the Redox-Dependent Electronic and Interfacial Structures in Electroactive Self-Assembled Monolayers

Raymond A Wong, Yasuyuki Yokota, Mitsuru Wakisaka, Junji Inukai, Yousoo Kim

J. Am. Chem. Soc. 140(42) 13672-13679 2018年査読有り
Fabrication of Sharp Gold Tips by Three-Electrode Electrochemical Etching with High Controllability and Reproducibility

Bo Yang, Emiko Kazuma, Yasuyuki Yokota, Yousoo Kim

J. Phys. Chem. C 122(29) 16950-16955 2018年査読有り
Potential Dependent Changes in the Structural and Dynamical Properties of 1-Butyl-3-methylimidazolium Bis(trifluoromethanesulfonyl)imide on Graphite Electrode Revealed by Molecular Dynamics Simulation

Hiroo Miyamoto, Yasuyuki Yokota, Akihito Imanishi, Kouji Inagaki, Yoshitada Morikawa, Ken-ichi Fukui

Phys. Chem. Chem. Phys. 20(29) 19408-19415 2018年査読有り
Microscopic Properties of Ionic Liquid/Organic Semiconductor Interfaces Revealed by Molecular Dynamics Simulations

Yasuyuki Yokota, Hiroo Miyamoto, Akihito Imanishi, Jun Takeya, Kouji Inagaki, Yoshitada Morikawa, Ken Ichi Fukui

Phys. Chem. Chem. Phys. 20(18) 13075-13083 2018年査読有り
Structural and Dynamic Properties of 1-Butyl-3-methylimidazolium Bis(trifluoromethanesulfonyl)imide / Mica and Graphite Interfaces Revealed by Molecular Dynamics Simulation

Yasuyuki Yokota, Hiroo Miyamoto, Akihito Imanishi, Kouji Inagaki, Yoshitada Morikawa, Ken-ichi Fukui

Phys. Chem. Chem. Phys. 20(9) 6668-6676 2018年査読有り
Computational Investigations of Electronic Structure Modifications of Ferrocene-Terminated Self-Assembled Monolayers: Effects of Electron Donating/Withdrawing Functional Groups Attached on the Ferrocene Moiety

Yasuyuki Yokota, Sumito Akiyama, Yukio Kaneda, Akihito Imanishi, Kouji Inagaki, Yoshitada Morikawa, Ken-ichi Fukui

Phys. Chem. Chem. Phys. 19(48) 32715-32722 2017年査読有り
Facet-Dependent Temporal and Spatial Changes in Boron-Doped Diamond Film Electrodes due to Anodic Corrosion

Francesca Celine, I. Catalan, Norihiko Hayazawa, Yasuyuki Yokota, Raymond A. Wong, Takeshi Watanabe, Yasuaki Einaga, Yousoo Kim

J. Phys. Chem. C 121(48) 26742-26750 2017年査読有り
A Relationship Between the Force Curve Measured by Atomic Force Microscopy in an Ionic Liquid and Its Density Distribution on a Substrate

Ken-ichi Amano, Yasuyuki Yokota, Takashi Ichii, Norio Yoshida, Naoya Nishi, Seiji Katakura, Akihito Imanishi, Ken-ichi Fukui, Tetsuo Sakka

Phys. Chem. Chem. Phys. 19(45) 30504-30512 2017年査読有り
Surface Hydrogenation of Boron-Doped Diamond Electrodes by Cathodic Reduction

Seiji Kasahara, Keisuke Natsui, Takeshi Watanabe, Yasuyuki Yokota, Yousoo Kim, Shota Iizuka, Yoshitaka Tateyama, Yasuaki Einaga

Anal. Chem. 89(21) 11341-11347 2017年査読有り
イオン液体/ルブレン単結晶界面の周波数変調AFMによる構造解析～界面構造と電気二重層FET特性との相関～

横田泰之, 今西哲士, 植村隆文, 竹谷純一, 福井賢一

表面科学 38(8) 419-424 2017年査読有り
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

56(8) 08LA03 2017年査読有り
Density Functional Theory Investigations of Ferrocene-Terminated Self-Assembled Monolayers: Electronic State Changes Induced by Electric Dipole Field of Coadsorbed Species

Yasuyuki Yokota, Sumito Akiyama, Yukio Kaneda, Akihito Imanishi, Kouji Inagaki, Yoshitada Morikawa, Ken-ichi Fukui

J. Phys. Chem. C 120(16) 8684-8692 2016年査読有り
Gradual Improvements of Charge Carrier Mobility at Ionic Liquid/Rubrene Single Crystal Interfaces

Yasuyuki Yokota, Hisaya Hara, Yusuke Morino, Ken Ichi Bando, Sakurako Ono, Akihito Imanishi, Yugo Okada, Hiroyuki Matsui, Takafumi Uemura, Jun Takeya …

Appl. Phys. Lett. 108(8) 083113 2016年査読有り
電気二重層トランジスタの動作解明に向けたイオン液体/有機半導体界面の構造評価

横田泰之

C&I Commun. 40(2) 22-24 2015年査読有り
Electronic-State Changes of Ferrocene-Terminated Self-Assembled Monolayers 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, Toru Utsunomiya, Akihito Imanishi, Ken-ichi Fukui

J. Phys. Chem. C 119(32) 18467-18480 2015年査読有り
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

Phys. Chem. Chem. Phys. 17(19) 12616-12622 2015年査読有り
Molecularly Clean Ionic Liquid/Rubrene Single-Crystal Interfaces Revealed by Frequency Modulation Atomic Force Microscopy

Yasuyuki Yokota, Hisaya Hara, Yusuke Morino, Ken Ichi Bando, Akihito Imanishi, Takafumi Uemura, Jun Takeya, Ken Ichi Fukui

Phys. Chem. Chem. Phys. 17(10) 6794-6800 2015年査読有り
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

Chem. Commun. 50(98) 15537-15540 2014年査読有り
Clean Surface Processing of Rubrene Single Crystal Immersed in Ionic Liquid by Using Frequency Modulation Atomic Force Microscopy

Yasuyuki Yokota, Hisaya Hara, Yusuke Morino, Ken Ichi Bando, Akihito Imanishi, Takafumi Uemura, Jun Takeya, Ken Ichi Fukui

Appl. Phys. Lett. 104(26) 263102 2014年査読有り
Voltammetric and In Situ Frequency Modulation Atomic Force Microscopic Investigation of Phenalenyl Derivatives Adsorbed on Graphite Surface

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

Carbon 77 184-190 2014年査読有り
Comparative Studies of Photoelectron Spectroscopy and Voltammetry of Ferrocene-Terminated Self-Assembled Monolayers Possessing Different Electron-Donating Properties

Yasuyuki Yokota, Yoshitada Mino, Yuta Kanai, Toru Utsunomiya, Akihito Imanishi, Matthaus Wolak, Rudy Schlaf, Ken-ichi Fukui

J. Phys. Chem. C 118(20) 10936-10943 2014年査読有り
Local Analyses of Ionic Liquid / Solid Interfaces by Frequency-Modulation Atomic Force Microscopy and Photoemission Spectroscopy

Ken-ichi Fukui, Yasuyuki Yokota, Akihito Imanishi

Chem. Rec. 14(5) 964-973 2014年査読有り
Preferential Formation of Layered Structure of Ionic Liquid at Ionic Liquid Aqueous Solution / Graphite Electrode Interfaces Observed by Frequency-Modulation Atomic Force Microscopy

Tomohiro Harada, Yasuyuki Yokota, Akihito Imanishi, Ken-ichi Fukui

e-J. Surf. Sci. Nanotech. 12 89-96 2014年査読有り
Fabrication of Ionic Liquid Ultrathin Film by Sequential Deposition

Yusuke Morino, Yuta Kanai, Akihito Imanishi, Yasuyuki Yokota, Ken-ichi Fukui

Jpn. J. Appl. Phys. 53(5S1) 05Fy01 2014年査読有り
Structural Investigation of Ionic Liquid/Rubrene Single Crystal Interfaces by Using Frequency-Modulation Atomic Force Microscopy

Yasuyuki Yokota, Hisaya Hara, Tomohiro Harada, Akihito Imanishi, Takafumi Uemura, Jun Takeya, Ken Ichi Fukui

Chem. Commun. 49(90) 10596-10598 2013年査読有り

もっとみる

書籍等出版物

3

Compendium of Surface and Interface Analysis

Toru Utsunomiya, Yasuyuki Yokota, Ken-ichi Fukui (担当:分担執筆, 範囲:Chapter 13 Electrochemical Atomic Force Microscopy)

Springer 2018年 (ISBN: 9789811061561)
産業応用を目指した無機・有機新材料創製のための構造解析技術

横田泰之, 福井賢一 (担当:分担執筆, 範囲:液中SPMによる固液界面における固体および液体の局所解析)

シーエムシー出版 2015年 (ISBN: 9784781310701)
Noncontact Atomic Force Microscopy Vol. 3

Yasuyuki Yokota, Ken-ichi Fukui (担当:分担執筆, 範囲:Chapter 21 Electrochemical Applications of Frequency Modulation Atomic Force Microscopy)

Springer 2015年 (ISBN: 9783319155883)

主要な担当経験のある科目(授業)

1

2018年4月 - 現在

物性化学 (東京大学教養学部)

所属学協会

5

主要な産業財産権

2

特願2023-010322 走査プローブ顕微鏡用の探針とその作製方法

横田泰之, 小林柚子, 高橋康史
特許6583808 有機半導体膜の製造方法および製造装置

竹谷純一, 植村隆文, 福井賢一, 今西哲士, 横田泰之, 原援又, 森野裕介, 坂東賢一