助教 西 弘泰
Nishi, Hiroyasu, Ph.D.
Assistant
Professor
東京大学 生産技術研究所 光物質ナノ科学研究センター
更新：2021年3月24日
学歴
2007年 大阪市立大学工学部卒業
2009年 大阪市立大学大学院工学研究科前期博士課程修了
2012年 大阪市立大学大学院工学研究科後期博士課程修了
職歴
2009年4月～ 日本学術振興会特別研究員（DC１）
（大阪市立大学
小畠研究室）
2012年4月～ 名古屋大学大学院工学研究科 博士研究員
（名古屋大学 鳥本研究室）
2013年9月～ 東京大学生産技術研究所 光電子融合研究センター 助教
2018年4月～ 現職
所属学会
日本化学会
光化学協会
電気化学会
分子科学会
応用物理学会
Original Papers
1. Keisuke Kitano, Yusuke Sakakibara, Masashi Kago,
Takahiro Doe, Masaya Ueda, Tatsuya Ryowa, Makoto
Izumi, Hiroyasu Nishi, Tetsu Tatsuma, Yasuhiko Arakawa
“Photoelectrochemical
Investigation of Charge Injection Efficiency for Quantum Dot Light-Emitting
Diode”
Appl. Phys. Lett., 118, 063505 (2021).
2. Rui Ogata, Hiroyasu Nishi,
Takuya Ishida, Tetsu Tatsuma*
“Visualization of Nano-localized
and Delocalized Oxidation Sites for Plasmon-Induced Charge Separation”
Nanoscale, 13, 681-684 (2021).
3. Hiroyasu Nishi, Koji Miyake, Kun-Che Kao, Tetsu Tatsuma*
“A Dual Plasmonic
Photoelectrode System for Visible Light Photocatalysis”
ChemNanoMat, 6, 1-5 (2020).
4. Hiroyasu Nishi,* Tetsu Tatsuma*
“Accelerated Site-Selective Photooxidation on Au Nanoparticles via
Electrochemically-Assisted Plasmonic Hole Ejection”
Nanoscale, 11, 19455-19461 (2019).
5. Hiroyasu Nishi,* Tetsu Tatsuma*
“Full-Color Scattering Based on
Plasmon and Mie Resonances of Gold Nanoparticles Modulated by Fabry-Pérot Interference for Coloring and Image Projection”
ACS Appl. Nano Mater., 2, 5071-5078 (2019).
6. Kun-Che Kao,
Hiroyasu Nishi, Tetsu Tatsuma*
“Visible-Light-Driven Plasmonic Photocatalysis Enhanced
by Charge Accumulation”
ChemNanoMat, 5, 1021-1027 (2019).
7. Seung Hyuk Lee,
Hiroyasu Nishi, Tetsu Tatsuma*
“Plasmon-Induced Charge Separation
at the Interface between ITO Nanoparticles and TiO2 under
Near-Infrared Irradiation”
Phys. Chem. Chem. Phys., 21, 5674-5678 (2019).
8. Hiroyasu Nishi, Masumi Sakamoto, Tetsu Tatsuma*
“Local Trapping of Energetic Holes
at Gold Nanoparticles on TiO2”
Chem. Commun., 54, 11741-11744 (2018).
9. Hiroyasu Nishi, Tetsu Tatsuma*
“Mechanistic Analysis of
Plasmon-Induced Charge Separation by the Use of Chemically Synthesized Gold Nanorods”
J. Phys. Chem. C, 122, 2330-2335 (2018).
10. Seung Hyuk
Lee, Hiroyasu Nishi, Tetsu Tatsuma*
“Plasmonic
Behaviour and Plasmon-Induced Charge Separation of
Nanostructured MoO3-x under Near Infrared Irradiation”
Nanoscale, 10, 2841-2847 (2018).
11. Kun-Che
Kao, Hiroyasu Nishi, Tetsu Tatsuma*
“Effects of Particle Size and
Annealing on Plasmon-Induced Charge Separation at Self-Assembled Gold
Nanoparticle Arrays”
Phys. Chem. Chem. Phys., 20, 3735-3740 (2018).
12. Kun-Che
Kao, Yoshinori Kuroiwa, Hiroyasu Nishi, Tetsu Tatsuma*
“Hydrogen Evolution from Water
Based on Plasmon-Induced Charge Separation at a TiO2/Au/NiO/Pt System”
Phys. Chem. Chem. Phys., 19, 31429-31435 (2017).
13. Seung Hyuk
Lee, Hiroyasu Nishi, Tetsu Tatsuma*
“Tunable Plasmon Resonance of
Molybdenum Oxide Nanoparticles Synthesized in Non-aqueous Media”
Chem. Commun., 53, 12680-12683 (2017).
14. Ling Wu, Gyu
Min Kim, Hiroyasu Nishi, Tetsu Tatsuma*
“Plasmonic
Photovoltaic Cells with Dual-Functional Gold, Silver, and Copper Halfshell Arrays”
Langmuir, 33, 8976-8981 (2017).
15. Tokuhisa Kawawaki,
Heyou Zhang, Hiroyasu Nishi, Paul Mulvaney,* Tetsu Tatsuma*
“Potential-Scanning Localized
Plasmon Sensing with Single and Coupled Gold Nanorods”
J. Phys. Chem. Lett., 8, 3637-3641 (2017).
16. Ling Wu, Natsumi
Tsunenari, Hiroyasu Nishi, Kosuke
Sugawa, Joe Otsuki, Tetsu
Tatsuma*
“Two-Dimensional Arrays of Au Halfshells with Different Sizes for Plasmon-Induced Charge
Separation”
ChemistrySelect, 2, 3744-3749 (2017).
17. Hiroyasu Nishi,* Tetsu Tatsuma*
“Photoregulated
Nanopore Formation via Plasmon-Induced Dealloying of Au-Ag Alloy Nanoparticles”
J. Phys. Chem. C, 121, 2473-2480 (2017).
18. Yusuke Ogihara,
Hiroshi Yukawa,* Tatsuya Kameyama, Hiroyasu Nishi,
Daisuke Onoshima, Tetsuya Ishikawa, Tsukasa Torimoto, Yoshinobu Baba*
“Labeling and in vivo Visualization of Transplanted Adipose Tissue-Derived Stem
Cells with Safe Cadmium-Free Aqueous ZnS Coating of
ZnS-AgInS2 Nanoparticles”
Sci. Rep., 7, 40047 (2017). [Open Access]
19. Tsukasa Torimoto,*
Yutaro Kamiya, Tatsuya Kameyama, Hiroyasu Nishi, Taro Uematsu,
Susumu Kuwabata, Tamaki Shibayama*
“Controlling Shape Anisotropy of
ZnS-AgInS2 Solid Solution Nanoparticles for Improving Photocatalytic
Activity”
ACS Appl. Mater. Interfaces, 8, 27151-27161 (2016).
20.
Hiroyasu Nishi, Tetsu Tatsuma*
“Oxidation Ability of
Plasmon-Induced Charge Separation Evaluated on the Basis of Surface
Hydroxylation of Gold Nanoparticles”
Angew. Chem. Int. Ed., 55, 10771-10775 (2016).
21.
Keisuke Asami, Hiroyasu Nishi, Tetsu
Tatsuma*
“Electrochemical Redox-Based Tuning
of Near Infrared Localized Plasmons of CuS Nanoplates”
Nanoscale, 8, 14092-14096 (2016).
22.
Hiroyasu Nishi, Keisuke Asami, Tetsu Tatsuma*
“CuS Nanoplates for LSPR Sensing in the Second Biological
Optical Window"
Opt. Mater. Express, 6, 1043-1048 (2016). [Open Access]
23.
Daichi Kitagawa, Chika Iwaihara, Hiroyasu Nishi, Seiya Kobatake*
“Quantitative Evaluation of Photoinduced Bending
Speed of Diarylethene Crystals”
Crystals,
5, 551-561 (2015). [Open Access]
24.
Ling Wu, Hiroyasu Nishi, Tetsu Tatsuma*
“Plasmon-Induced
Charge Separation at Two-Dimensional Gold Semishell
Arrays on SiO2@TiO2 Colloidal Crystals”
APL Mater., 3,
104406 (2015). [Open Access]
25.
Hiroyasu Nishi, Sayaka Hiroya, Tetsu Tatsuma*
“Potential-Scanning
Localized Surface Plasmon Resonance Sensor”
ACS
Nano, 9, 6214-6221
(2015).
26.
Tetsu Tatsuma,* Yu Katagi,
Satoshi Watanabe, Kazutaka Akiyoshi,
Tokuhisa Kawawaki, Hiroyasu
Nishi, Emiko Kazuma
“Direct Output
of Electrical Signals from LSPR Sensors on the Basis of Plasmon-Induced Charge
Separation”
Chem. Commun., 51,
6100-6103 (2015).
27. Hiroyasu Nishi, Tsukasa Torimoto,
Tetsu Tatsuma*
“Wavelength- and Efficiency-Tunable
Plasmon-Induced Charge Separation by the Use of Au-Ag Alloy Nanoparticles”
Phys. Chem. Chem.
Phys., 17, 4042-4046
(2015).
28. Hiroyasu Nishi,* Takahito
Nagano, Tatsuya Kameyama, Susumu Kuwabata,
Tsukasa Torimoto*
“Well-Controlled Synthesis of Wurtzite-Type Cu2ZnSnS4 Nanoparticles Using Multiple Sulfur
Sources via a Two-Step Heating Process”
CystEngComm, 17, 174-182 (2015).
29. Hiroyasu Nishi, Takahito
Nagano, Susumu Kuwabata, Tsukasa Torimoto*
“Controllable Electronic Energy Structure of
Size-Controlled Cu2ZnSnS4 Nanoparticles Prepared by a
Solution-Based Approach”
Phys.
Chem. Chem. Phys., 16,
672-675 (2014).
30. Yoshiyuki Miyazaki,* Hiroshi
Yukawa, Hiroyasu Nishi, Yukihiro Okamoto, Noritada
Kaji,* Tsukasa Torimoto, Yoshinobu Baba*
“Adipose Tissue-Derived Stem Cell Imaging
Using Cadmium-Free Quantum Dots”
Cell Med., 6, 91-97 (2013). [Open Access]
31. Hiroyasu Nishi, Susumu Kuwabata,
Tsukasa Torimoto*
“Composition-Dependent Photoelectrochemical
Properties of Non-Stoichiometric Cu2ZnSnS4 Nanoparticles”
J. Phys.
Chem. C, 117,
21055-21063 (2013).
32. Daichi Kitagawa, Hiroyasu Nishi,
Seiya Kobatake*
“Photoinduced
Twisting of a Photochromic Diarylethene Crystal”
Angew. Chem.
Int. Ed., 52, 9320-9322 (2013). [Published as VIP]
33. Shotaro Imao, Hiroyasu Nishi, Seiya
Kobatake*
“Thermo- and Photoresponsive
Reversible Changes in Localized Surface Plasmon Resonance of Gold Nanoparticles
Covered by Poly(N-isopropylacrylamide) with
Photochromic Diarylethene End Group”
J. Photochem. Photobiol. A-Chem., 252, 37-45 (2013).
34. Hiroyasu Nishi, Tsuyoshi Asahi,* Seiya Kobatake*
“Plasmonic
Enhancement of a Photocycloreversion Reaction of a Diarylethene Derivative Using Individually Dispersed Silver
Nanoparticles”
ChemPhysChem, 13, 3616-3621 (2012).
35. Hiroyasu Nishi, Tsuyoshi Asahi, Seiya Kobatake*
“Plasmonic
Enhancement of Gold Nanoparticles on Photocycloreversion
Reaction of Diarylethene Derivatives Depending on
Particle Size, Distance from the Particle Surface, and Irradiation Wavelength”
Phys.
Chem. Chem. Phys., 14,
4898-4905 (2012).
36. Hiroyasu Nishi, Seiya Kobatake*
“Facile Preparation of Gold
Nanoparticle with Diarylethene Polymers by Disodium
Malate and its Photoreversible Optical Properties”
Dyes Pigm., 92,
847-853 (2012).
37. Hiroyasu Nishi, Tomoko Namari,
Seiya Kobatake*
“Photochromic Polymers Bearing
Various Diarylethene Chromophores as the Pendant:
Synthesis, Optical Properties, and Multicolor Photochromism”
J. Mater.
Chem., 21,
17249-17258 (2011).
38. Hiroyasu Nishi, Tsuyoshi Asahi, Seiya Kobatake*
“Enhanced Photocycloreversion
Reaction of Diarylethene Polymers Attached to Gold
Nanoparticles in the Solid State”
J. Photochem. Photobiol. A-Chem., 221, 256-260 (2011).
39. Hiroyasu Nishi, Tsuyoshi Asahi, Seiya Kobatake*
“Enhanced One-Photon Cycloreversion Reaction of Diarylethenes
near Individual Gold Nanoparticles”
J. Phys.
Chem. C, 115,
4564-4570 (2011).
40. Hiroyasu Nishi, Seiya Kobatake*
“Fabrication and Photochromism of High-Density Diarylethene
Monolayer Immobilized on a Quartz-glass Substrate”
Chem.
Lett., 39,
638-639 (2010).
41. Hiroyasu Nishi, Tsuyoshi Asahi, Seiya Kobatake*
“Light-Controllable Surface Plasmon
Resonance Absorption of Gold Nanoparticles Covered with Photochromic Diarylethene Polymers”
J. Phys.
Chem. C, 113,
17359-17366 (2009).
42. Hiroyasu Nishi, Seiya Kobatake*
“Photochromism
and Optical Property of Gold Nanoparticles Covered with Low-Polydispersity
Diarylethene Polymers”
Macromolecules, 41, 3995-4002 (2008).
43. Hiroyasu Nishi, Seiya Kobatake*
“Reduction Reaction to Thiol Group
of Dithiobenzoate End Group in Polystyrene Polymerized
by Reversible Addition-Fragmentation Chain Transfer”
Chem.
Lett., 37,
630-631 (2008).
Review
1. Tetsu Tatsuma,* Hiroyasu Nishi
“Plasmonic
Hole Ejection Involved in Plasmon-Induced Charge Separation”
Nanoscale Horiz., 5, 597-606 (2020).
2. Hiroyasu Nishi,* Tetsu Tatsuma
“Electrochemical and Photoelectrochemical Applications of Plasmonic
Metal and Compound Nanoparticles”
Electrochemistry, 87, 321-327 (2019).
3. Tetsu Tatsuma,* Hiroyasu Nishi,
Takuya Ishida
“Plasmon-Induced Charge Separation:
Chemistry and Wide Applications”
Chem. Sci., 8, 3325-3337 (2017).
招待講演・受賞講演
1. Hiroyasu Nishi, Tetsu Tatsuma
“Photoelectrochemical Reactions in
Confined Nanospace Based on Localized Surface Plasmon
Resonance”
International
Workshop on Advanced Nanoscience and Nanomaterials 2019, Chonburi,
Thailand, November 11-12, 2019.（招待講演）
2. ○西 弘泰
“プラズモン共鳴に基づくナノ領域での光電気化学反応”
OCU先端光科学シンポジウムーナノフォトニクスが切り拓く分子運動・化学反応制御の探求ー、大阪市立大学、2019年10月20-21日（招待講演）
3. Hiroyasu Nishi, Tetsu Tatsuma
“Plasmonic Electrochemistry of Metal and
Compound Nanoparticles and its Applications”
Workshop on
Advanced Materials and Devices, Shanghai, China, July 29-31, 2019.（招待講演）
4. ○西 弘泰
“金属および半導体ナノ粒子の電気化学的・光電気化学的応用に関する研究”
電気化学会第86回大会、1D14、京都大学、2019年3月27-29日（受賞講演）
5. ○西 弘泰
“ナノメートルサイズの粒子たちが織りなす光機能”
第３回ACE
meeting、東京工業大学、2018年11月17日（招待講演）
6. Hiroyasu Nishi, Masumi Sakamoto, Tetsu Tatsuma
“Insights into Mechanisms of
Plasmon-Induced Charge Separation for Au-TiO2 Systems”
International
Workshop on Advanced Nanoscience and Nanomaterials 2017, Shanghai, China, October 26-28,
2017.（招待講演）
7. Hiroyasu Nishi, Tokuhisa
Kawawaki, Ling Wu, Koichiro
Saito, Tetsu Tatsuma
“Photocatalysis Based on Plasmonic Enhancement and Plasmon-Induced Charge Separation”
2nd UK-Japan Solar Driven Fuel
Synthesis Workshop: Materials, Understanding and
Reactor Design, P-7, Tokyo, Japan, June 23-24, 2016.（招待講演、ポスター発表）
国際学会における発表（筆頭著者のもの）
1. Hiroyasu Nishi, Tetsu Tatsuma
“Electrochemically-Assisted
Site-Selective Redox Reactions through Plasmonic
Hole/Electron Ejection”
Pacific Rim Meeting on
Electrochemical and Solid-State Science 2020 (PRiME
2020), L04-3110, Online meeting, October 4-9, 2020.（口頭発表）
2. Hiroyasu Nishi, Tetsu Tatsuma
“Site-Selective Oxidation and Reduction Reactions via Plasmonic Hole and Electron Ejection”
International
Workshop on Advanced Nanoscience and Nanomaterials 2020, Online meeting, October 20, 2020.（口頭発表）
3. Hiroyasu Nishi, Tokuhisa
Kawawaki, Ling Wu, Koichiro
Saito, Tetsu Tatsuma
“Plasmonic nanoantenna interfaces for enhancement of photoelectrochemical reactions”
2017 International Conference on
Artificial Photosynthesis (ICARP 2017), P1-18, Kyoto, Japan, March 2-5, 2017.（ポスター発表）
4. Hiroyasu Nishi, Keisuke Asami,
Tetsu Tatsuma
“Fast Near-Infrared Electrochromism of Redox-Active Plasmonic
Copper Sulfide Nanoparticles”
Pacific Rim Meeting on
Electrochemical and Solid-State Science 2016 (PRiME
2016), 3367, Honolulu, Hawaii, October 2-7, 2016.（口頭発表）
5. Hiroyasu Nishi, Tetsu Tatsuma
“Evaluation of Oxidation Ability for
Plasmon-Induced Charge Separation: Approach from Coordinative Dissolution and
Surface Passivation of Gold Nanoparticles”
2015 International Chemical
Congress of Pacific Basin Societies (PACIFICHEM 2015), 09-ENRG 479, Honolulu,
Hawaii, December 15-20, 2015.（口頭発表）
6. Hiroyasu Nishi, Tetsu Tatsuma
“Oxidation Ability
of Plasmon-Induced Charge Separation Evaluated on the Basis of Coordinative
Dissolution and Surface Passivation of Gold Nanoparticles”
27th International Conference on
Photochemistry (ICP2015), PP-PO-TUE-13, Jeju, Korea,
June 28-July 3, 2015.（ポスター発表）
7. Hiroyasu Nishi, Susumu Kuwabata,
Tsukasa Torimoto
“Composition-Dependent Photoelectrochemical
Property of Non-Stoichiometric Cu2ZnSnS4 (CZTS)
Nanoparticles Synthesized in Hot Organic Solutions”
223rd ECS Meeting,
A2-92, Toronto, Canada, May 12-16, 2013.（口頭発表）
8. Hiroyasu Nishi, Susumu Kuwabata,
Tsukasa Torimoto
“Photoelectrochemical
Properties of Cu2ZnSnS4 Nanoparticles Depending on Their
Particle Size and Chemical Composition”
Nagoya Univ.-Tsinghua Univ.-Toyota
Motor Corp.-Hokkaido Univ. Joint Symposium, P-12, Okinawa, Japan, December
19-21, 2012.（ポスター発表）
9. Hiroyasu Nishi, Tsuyoshi Asahi, Seiya Kobatake
“Synthesis, Optical Property, and
Photoreaction of Gold Nanoparticle Covered with Photochromic Diarylethene Polymers”
The International Chemical Congress
of Pacific Basin Societies (Pacifichem2010), Materials & Nanotechnology
1048, Honolulu, Hawaii, USA, December 15-20, 2010.（ポスター発表）
10. Hiroyasu Nishi, Tsuyoshi Asahi, Seiya Kobatake
“Enhanced Photocycloreversion
Reaction of Diarylethene Chromophore Induced by Gold
Nanoparticle”
The 6th International Symposium on
Organic Photochromism (ISOP2010), PP-120, Yokohama,
Japan, October 17-21, 2010. （ポスター発表）
11. Hiroyasu Nishi, Tsuyoshi Asahi, Seiya Kobatake
“Control of Local Surface Plasmon
Resonance of Gold Nanoparticle by Photochromic Reaction of Diarylethenes”
XXIV International Conference on
Photochemistry (ICP2009), PSI-P70, Toledo, Spain, July 19-24, 2009. （ポスター発表）
12. Hiroyasu Nishi, Seiya Kobatake
“Reactivity and Optical Property of
Diarylethene-Gold Nanoparticle Complex in the Film”
XXI Congress and General Assembly
of the International Union of Crystallography (IUCr2008), P12.11.41(C559), Osaka, Japan, August 23-31,
2008. （ポスター発表）
13. Hiroyasu Nishi, Seiya Kobatake
“Photochromism
and Optical Property of Gold Nanoparticles Covered with Low-Polydispersity
Diarylethene Polymers”
XXII IUPAC Symposium on
Photochemistry, P41, Gothenburg, Sweden, July 28-August 1, 2008. （ポスター発表）
その他の解説・総説等
1. 西 弘泰
“分子でプラズモン共鳴!? ”
化学、71、59-60、2016
2. 立間 徹、西 弘泰、
“プラズモン誘起電荷分離―ナノ粒子で実現するさまざまな光機能”
化学と工業、67、864-866、2014
受賞等
2019年 電気化学会 進歩賞（佐野賞）
2018年 日本化学会第98春季年会(2018)
優秀講演賞(学術)
2014年 生研弥生賞 最優秀賞
2012年 日本化学会第92春季年会(2012) 学生講演賞
2011年 大阪市立大学学内重点研究「バイオインターフェース先端マテリアルの創生」
第１回シンポジウム 若手優秀発表賞
2010年 The 6th International Symposium on Organic Photochromism (ISOP2010)
YOUNG SCIENTIST POSTER
AWARD
2010年 分子科学会 平成22年度分子科学討論会 優秀ポスター賞
2010年 日本化学会第90春季年会(2010) 学生講演賞
2008年 2008年光化学討論会 最優秀学生発表賞