山内 幸正(やまうち こうせい)


ORCID iD iconhttps://orcid.org/0000-0002-5081-4825
Web of Science


福岡県立筑紫丘高校 普通科 卒業

2004年4月九州大学 理学部化学科 入学
2008年3月九州大学 理学部化学科 卒業
2008年4月九州大学 大学院理学府化学専攻 修士課程 入学
2010年3月九州大学 大学院理学府化学専攻 修士課程 修了
2010年4月九州大学 大学院理学府化学専攻 博士後期課程 入学
2012年3月九州大学 大学院理学府化学専攻 博士後期課程 中途退学


2010年4月日本学術振興会 特別研究員(DC1) (~2012年3月;中途辞退)
2012年4月九州大学 大学院理学研究院化学部門 助教
2012年4月カーボンニュートラル・エネルギー国際研究所(WPI-I2CNER) 研究者(兼任)


  1. "Water-induced Selectivity Switching and Steric Control of Activity in Photochemical CO2 Reduction Catalyzed by RhCp*(bpy) Derivatives"
    Dongseb Lee, Kosei Yamauchi*, and Ken Sakai*
    ChemRxiv, DOI: 10.26434/chemrxiv-2024-t3ltd.

  2. "Mechanism of Ni-NHC CO2 Reduction Catalysis Predominantly Affording Formate via Attack of Metal Hydride to CO2"
    Chen Liao, Kosei Yamauchi*, and Ken Sakai*
    ChemRxiv, DOI: 10.26434/chemrxiv-2024-cv7jt.

  3. "Isolating an Inner-Sphere Adduct of [RuIV(=O)(terpy)(bpy)]2+ and [CeIV(OH)(NO3)5]2− with the Oxo Bonded to the CeIV Center"
    Yutaro Aimoto, Alexander Parent*, Kosei Yamauchi*, and Ken Sakai*
    J. Am. Chem. Soc., DOI: 10.1021/jacs.4c05389
    (ChemRxiv, DOI: 10.26434/chemrxiv-2024-vlcxx.)

  4. "Synthesis of the MN Ring of Caribbean Ciguatoxin C-CTX-1 via Desymmetrization by Acetal Formatione"
    Masahiro Kaneko, Atsuhiro Yamashita, Yoko Yasuno, Kosei Yamauchi, Ken Sakai, and Tohru Oishi*
    Org. Lett., 2024, 26, 855-859.

  5. "Precious-Metal-Free CO2 Photoreduction Boosted by Dynamic Coordinative Interaction between Pyridine-Tethered Cu(I) Sensitizers and a Co(II) Catalyst"
    Jia-Wei Wang*, Xian Zhang, Lucia Velasco, Michael Karnahl, Zizi Li, Zhi-Mei Luo, Yanjun Huang, Jin Yu, Wenhui Hu, Xiaoyi Zhang, Kosei Yamauchi, Ken Sakai*, Dooshaye Moonshiram*, and Gangfeng Ouyang*
    JACS Au, 2023, 3, 1984-1997.

  6. "Intracluster O-O Coupling Pathway Evidenced for an Anderson-type Single-Cobalt Polymolybdate Water Oxidation Catalyst"
    Natsuki Taira, Kosei Yamauchi, and Ken Sakai*
    ACS Catal., 2023, 13, 3211-3223.

  7. "Controlling the Photofunctionality of a Polyanionic Heteroleptic Copper(I) Photosensitizer for CO2 Reduction Using Its Ion-pair Formation with Polycationic Ammonium in Aqueous Media"
    Fumika Sueyoshi, Xian Zhang, Kosei Yamauchi, and Ken Sakai*
    Angew. Chem. Int. Ed., 2023, 62, e202217807.

  8. "Theoretical Study on the Mechanism of Hydrogen Evolution Reaction Catalyzed by Platinum Subnanoclusters"
    Keita Kuge, Kosei Yamauchi and Ken Sakai*
    Dalton Trans., 2023, 52, 583-597. (Selected as a Hot Article.) Open Access!
    (ChemRxiv, DOI: 10.26434/chemrxiv-2022-vnnc7-v2.)

  9. "Visible-Light-Driven Reduction of CO2 to CO in Fully Aqueous Media using a Water-Soluble Cobalt Porphyrin"
    Arnau Call*, Mihaela Cibian, Kosei Yamauchi*, and Ken Sakai*
    Sustainable Energy Fuels, 2022, 6, 2160-2164.

  10. "Catalysis of CO2 reduction by diazapyridinophane complexes of Fe, Co, and Ni: CO2 binding triggered by combined frontier MO associations involving a SOMO"
    Yuto Sakaguchi, Arnau Call, Kosei Yamauchi, and Ken Sakai*
    Dalton Trans., 2021, 50, 15983-15995. (Selected as a Cover Picture and a Hot Article.)

  11. "Earth-Abundant Photocatalytic CO2 Reduction by Multielectron Chargeable Cobalt Porphyrin Catalysts: High CO/H2 Selectivity in Water Based on Phase Mismatch in Frontier MO Association"
    Xian Zhang, Kosei Yamauchi, and Ken Sakai*
    ACS Catal., 2021, 11, 10436–10449.

  12. "Redox tuning in Pt(bpy)-viologen catalyst-acceptor dyads enabling photocatalytic hydrogen evolution from water"
    Koichi Yatsuzuka*, Kosei Yamauchi*, and Ken Sakai*
    Chem. Commun., 2021, 57, 5183-5186.

  13. "Improving the Overall Performance of Photochemical H2 Evolution Catalyzed by the Co-NHC Complex via the Redox Tuning of Electron Relays"
    Koichi Yatsuzuka, Kosei Yamauchi*, Ken Kawano, Hironobu Ozawa*, and Ken Sakai*
    Sustainable Energy Fuels, 2021, 5, 740-749.

  14. "Unexpected structure of enaminone Pd(II) complex in comparison with Cu(II)complex: Synthesis, characterization, DNA binding and antitumor activity"
    Hoda A. El-Ghamry*, Kosei Yamauchi, Ken Sakai*, and Thoraya A. Farghaly
    Inorg. Chim. Acta, 2021, 516, 120117.

  15. "A dinuclear nickel catalyst based on metal–metal cooperation for electrochemical hydrogen production"
    Tomohiko Hamaguchi*, Keisuke Kai, Isao Ando, Ken Kawano, Kosei Yamauchi, and Ken Sakai
    Inorg. Chim. Acta, 2020, 505, 119498.

  16. "Photochemical CO2 Reduction Driven by Water-Soluble Copper(I) Photosensitizer with the Catalysis Accelerated by Multi-Electron Chargeable Cobalt Porphyrin"
    Xian Zhang, Mihaela Cibian*, Arnau Call*, Kosei Yamauchi, and Ken Sakai*
    ACS Catal., 2019, 9, 11263-11273.

  17. "An Earth-abundant System for Light-driven CO2 Reduction to CO Using a Pyridinophane Iron Catalyst"
    Yuto Sakaguchi, Arnau Call*, Mihaela Cibian, Kosei Yamauchi and Ken Sakai*
    Chem. Commun., 2019, 55, 8552-8555.

  18. "A Molecular Cobalt Hydrogen Evolution Catalyst Showing High Activity and Outstanding Tolerance to CO and O2"
    Jia-Wei Wang, Kosei Yamauchi, Hai-Hua Huang, Jia-Kai Sun, Zhi-Mei Luo, Di-Chang Zhong*, Tong-Bu Lu*, and Ken Sakai*
    Angew. Chem. Int. Ed., 2019, 58, 10923-10927.

  19. "Highly Efficient and Selective Photocatalytic CO2 Reduction to CO in Water by a Cobalt Porphyrin Molecular Catalyst"
    Arnau Call*, Mihaela Cibian*, Keiya Yamamoto, Takashi Nakazono, Kosei Yamauchi, and Ken Sakai*
    ACS Catal., 2019, 9, 4867-4874.

  20. "Ligand-based PCET Reduction in a Heteroleptic Ni(bpy)(dithiolene) Electrocatalyst Giving Rise to Higher Metal Basicity Required for Hydrogen Evolution"
    Keita Koshiba, Kosei Yamauchi*, and Ken Sakai*
    ChemElectroChem, 2019, 6, 2273-2281.

  21. "Consecutive Ligand-based PCET Processes Affording a Doubly Reduced Nickel Pyrazinedithiolate which Transforms into a Metal Hydride Required to Evolve H2"
    Keita Koshiba, Kosei Yamauchi*, and Ken Sakai*
    Dalton Trans., 2019, 48, 635-640.

  22. "A family of molecular nickel hydrogen evolution catalysts providing tunable overpotentials using ligand-centered proton-coupled electron transfer paths"
    Yutaro Aimoto, Keita Koshiba, Kosei Yamauchi*, and Ken Sakai*
    Chem. Commun., 2018, 54, 12820-12823.
    (Themed collection: Frontiers in Proton Coupled Electron Transfer (PCET))

  23. "Synthesis and Complete Structure Determination of a Sperm-Activating and -Attracting Factor Isolated from the Ascidian Ascidia sydneiensis"
    Tomohiro Watanabe, Hajime Shibata, Makoto Ebine, Hiroshi Tsuchikawa, Nobuaki Matsumori, Michio Murata, Manabu Yoshida, Masaaki Morisawa, Shu Lin, Kosei Yamauchi, Ken Sakai, and Tohru Oishi*
    J. Nat. Prod., 2018, 81, 985-997.

  24. "Near-Infrared-Light-Driven Hydrogen Evolution from Water using a Polypyridyl Triruthenium Photosensitizer"
    Yutaro Tsuji, Keiya Yamamoto, Kosei Yamauchi, and Ken Sakai*
    Angew. Chem. Int. Ed., 2018, 57, 208-212.
    (Selected as an Inside Cover Picture)

  25. "Photochemical H2 Evolution Catalyzed by Porphyrin-based Cubic Cages Singly and Doubly Encapsulating PtCl2(4,4’-dimethyl-2,2’-bipyridine)"
    Shota Tanaka, Takashi Nakazono, Kosei Yamauchi*, and Ken Sakai*
    Chem. Lett., 2017, 46, 1573-1575.
    (Selected as a Cover Page and an Editor's Choice.) Open Access!

  26. "A Nickel Dithiolate Water Reduction Catalyst Providing Ligand-based Proton-coupled Electron Transfer Pathways"
    Keita Koshiba, Kosei Yamauchi*, and Ken Sakai*
    Angew. Chem. Int. Ed., 2017, 56, 4247-4251.

  27. "Pt(II)-Catalyzed Photosynthesis for H2 Evolution Cycling Between Singly and Triply Reduced Species"
    Keiya Yamamoto, Kyoji Kitamoto, Kosei Yamauchi and Ken Sakai*
    Chem. Commun., 2015, 51, 14516-14519.

  28. "A tricarboxylated PtCl(terpyridine) derivative exhibiting pH-dependent photocatalytic activity for H2 evolution from water"
    Kosei Yamauchi*, and Ken Sakai*
    Dalton Trans., 2015, 44, 8685-8696.

  29. "A Cobalt-NHC Complex as an Improved Catalyst for Photochemical Hydrogen Evolution from Water"
    Ken Kawano, Kosei Yamauchi*, and Ken Sakai*
    Chem. Commun., 2014, 50, 9872-9875.

  30. "Homogeneous Catalysis of Nickel(II) Complexes Promoting Hydrogen Production with High Turnover Numbers "
    Kosei Yamauchi*
    Bull. Jpn. Soc. Coord. Chem., 2013, 62, 26-28.

  31. "Kinetics and DFT Studies on Water Oxidation by Ce4+ Catalyzed by [Ru(terpy)(bpy)(OH2)]2+"
    Ayano Kimoto, Kosei Yamauchi, Masaki Yoshida, Shigeyuki Masaoka*, and Ken Sakai*
    Chem. Commun., 2012, 48, 239-241.

  32. "Stability of Pt(II)-Based H2-Evolving Catalysts against H2 in Aqueous Solution"
    Kosei Yamauchi, Shigeyuki Masaoka, and Ken Sakai*
    Dalton Trans., 2011, 40, 12447-12449.

  33. "Photochemical and Thermal Hydrogen Production from Water Catalyzed by Carboxylate-Bridged Dirhodium(II) Complexes"
    Saya Tanaka, Shigeyuki Masaoka, Kosei Yamauchi, Masahiko Annaka, and Ken Sakai*
    Dalton Trans., 2010, 39, 11218-11226.

  34. "Evidence for Pt(II)-Based Molecular Catalysis in the Thermal Reduction of Water into Molecular Hydrogen"
    Kosei Yamauchi, Shigeyuki Masaoka, and Ken Sakai*
    J. Am. Chem. Soc., 2009, 131, 8404-8406.


  1. "Molecular Systems Driving Photochemical and Thermal H2 Production from Water"
    Kosei Yamauchi, Saya Tanaka, Masayuki Kobayashi, Chettiyam Veettil Suneesh, and Ken Sakai
    Kyushu University Global-COE Program Science for Molecular Systems Journal, 2012, 5, 52-55.



河野 健、山内幸正、酒井 健




山内幸正、酒井 健


2024年4月Outstanding Reviewer for Sustainable Energy & Fuels in 2023
2017年8月第29回配位化合物の光化学討論会、Journal of Materials Chemistry A Prize
2016年10月The 5th International Symposium on Solar Fuels and Solar Cells, Excellent Poster Award
2010年3月日本学生支援機構 特に優れた業績による大学院第一種奨学生返還免除の認定(全額免除)
2009年9月The 2nd Yonsei University BK21/Kyushu University Global-COE Joint Symposium on‘Frontier Molecular Systems’, Poster Award Winner



科研費 基盤研究B


科研費 学術変革領域研究B「光触媒協奏学」(研究代表者:村田 慧)


科研費 学術変革領域研究B「光触媒協奏学」総括班(領域代表者:中田明伸)




科研費 国際共同研究強化B(研究代表者:酒井 健)



科研費 基盤研究C


科研費 基盤研究B(研究代表者:酒井 健)


九州大学 数理・データサイエンスに関する教育・研究支援プログラム


科研費 基盤研究C


九州大学 QRプロジェクト わかばチャレンジ


科研費 若手研究B


一般財団法人イオン工学振興財団 研究助成


九州大学P&P 若手スタートアップ


科研費 若手研究B


科研費 研究活動スタート支援




  1. "Co-NHC Catalysts Promoting Hydrogen Evolution from Water with High Turnover Number and Frequency"
    Asian International Symposium - Coordination Chemistry, Organo-metallic Chemistry -, The 104th CSJ Annual Meeting
    Nihon University, Japan, March 19, 2024.

  2. "Photochemical and Electrochemical Hydrogen Evolution from Water Catalyzed by Co-NHC Complexes"
    the 11th Singapore International Chemistry Conference (SICC-11)
    Innovis Building, Singapore, December 14, 2022.

  3. "Photochemical and electrochemical CO2 reduction promoted by cobalt-based molecular catalysts"
    S3: New directions in the use of light and coordination compounds for CO2 reduction, The JSCC 72nd Annual Symposium
    Kyushu University, Fukuoka, Japan, September 26, 2022.

  4. "水からの水素生成を促進する高活性金属錯体触媒"

  5. "均一系電気化学反応解析で解き明かす金属錯体触媒の化学"
    Youtubeオンデマンド, WebEx Training、2021年8月

  6. "錯体化学で理解する人工光合成反応過程"
    錯体化学若手の会 第1回ウェブ勉強会
    WebEx Training、2020年6月

  7. "Electrochemical Hydrogen Evolution from Water Promoted by Metal Complexes" (Keynote Lecture)
    New Trends in Photophysics and Photochemistry and their Applications
    Kyushu University, Fukuoka, January 11, 2020.

  8. "金属錯体触媒による低過電圧水素生成反応"

  9. "Nickel(II) Dithiolate Molecular Catalysts Promoting Hydrogen Evolution from Water with Low Overpotentials"
    International Conference on Photocatalysis and Photoenergy 2019 (ICoPP2019)
    Orakai Songdo Park Hotel, Incheon, Korea, May 22-25, 2019.

  10. "Molecular Catalysts Promoting Hydrogen Evolution with Low Overpotential"
    ICCC2018: Post-Conference in Fukuoka, Transition Metal Chemistry towards Sustainable Energy Conversion and Various Advanced Applications
    Kyushu University, Fukuoka, Japan, August 5-7, 2018.

  11. "高活性水素生成分子触媒の開発と錯体化学"

  12. "Molecular Catalysts Promoting H2 Evolution from Water with Low Driving Force"
    Japan-Italy Joint Symposium on Artificial Photosynthesis
    Kyushu University, Fukuoka, Japan, September 29-30, 2017.

  13. "Low-driving-force hydrogen evolution from water catalyzed by molecular catalysts"
    Third International Symposium on the Photofunctional Chemistry of Complex Systems (3rd ISPCCS)
    Makena Beach & Golf Resort, Maui, Hawaii, U.S.A., December 12-14, 2015.

  14. "Molecular Catalysis in Photochemical and Electrochemical H2 production from Water Driven with Low Driving Forces"
    Hydrogen Production and Fuel Cells Division Symposium in I2CNER International Workshop 2015
    Kyushu University, Fukuoka, Japan, Feb. 5, 2015.

  15. "H2 Evolution Catalysis Driven with Low Driving Forces"
    The 41st International Conference on Coordination Chemistry (ICCC41)
    Suntec Singapore Convention & Exhibition Centre, Singapore, July 21-24, 2014.

  16. "Photochemical Hydrogen Production from Water Promoted by Robust Platinum(II) Molecular Catalysts"
    1st International Symposium on Chemical Energy Conversion Processes (ISCECP-1)
    Kyushu University, Fukuoka, Japan, June 12-13, 2013.

  17. "Photochemical Hydrogen Production from Water Catalyzed by a Robust Platinum(II) Molecular Catalyst"
    The 37th Institute Interest Seminar Series in I2CNER
    Kyushu University, Fukuoka, Japan, June 5, 2013.

  18. "白金錯体を触媒とした熱的水素ガス生成反応とその安定性"

  19. "Thermal H2 Production and Activation Catalyzed by Pt(II)-based Molecular Catalysts" (Invited Lecture)
    Department of Chemistry, Simon Fraser University, Vancouver, Canada, June 1st, 2012.



錯体化学会第72回討論会 事務局(来場者約1000名)


第33回配位化合物の光化学討論会 実行委員


複合系の光機能研究会 第2回オンラインライジングスター研究会 実行委員


第32回配位化合物の光化学討論会 実行委員


複合系の光機能研究会 オンラインライジングスター研究会 実行委員


シンポジウムS04「Coordination Chemistry Unveiled in Homogeneous Solutions」、開催責任者(来場者約90名)




シンポジウムS04「New Aspects of Photofunctional Interfaces Based on Coordination Chemistry」、世話人


錯体化学若手研究会 錯体化学若手の会夏の学校2016(熊本 火の国ハイツ)


第1回錯体化学若手の会 九州・沖縄支部 勉強会(九州大学)、世話人



複合系の光機能研究会 事務局


錯体化学会 ダイバーシティ推進委員会 委員


錯体化学会 将来計画委員会 委員


複合系の光機能研究会 庶務


錯体化学若手の会 九州・沖縄支部 世話人


複合系の光機能研究会 将来構想委員会 委員


錯体化学若手の会 事務局(会計・会員)


錯体化学若手の会 事務局(代表)


錯体化学若手の会 次年度事務局


錯体化学若手の会 九州・沖縄支部 支部代表


〒819-0395 福岡県福岡市西区元岡744 九州大学ウエスト1号館 B-1004

九州大学 大学院理学研究院 化学部門 錯体化学研究室
E-mail: kyamauchi( a )chem.kyushu-univ.jp  ( a )を@にして送信して下さい。