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Last Updated :2024/04/12

hamaguchi tomohiko

Faculty of Science
Assistant Lecturer/Assistant professor

Profile1995-1998 オキソ中心ルテニウム三核錯体二量体の混合原子価状態 2002-2004 オキソ中心ルテニウム三核錯体多量体の電気化学的挙動 2005-    外部刺激により機能を発現する錯体の研究 2015-    電気化学的水素発生触媒となる錯体の探求

Researcher information

■ Degree
  • 博士(理学), 東北大学
■ Research Keyword
  • 電気化学
  • 遷移金属錯体
■ Field Of Study
  • Nanotechnology/Materials, Inorganic and coordination chemistry, Inorganic Chemistry

Career

■ Career
  • 2005 - 2007
    福岡大学理学部 助手
  • 2007
    福岡大学理学部 助教(現職)
  • 2002 - 2004
    科学技術振興機構さきがけ21 合成と制御 領域 山口正研究室 グループメンバー
■ Educational Background
  • Apr. 1996 - Mar. 1998
    Tohoku University, Graduate School of Science, Department of Chemistry

Research activity information

■ Paper
  • The structure and modified properties of a self-dimerised Cu(ii) inclusion complex in γ-cyclodextrins
    Tomohiko Hamaguchi; Ryuta Ishikawa; Akio Mishima; Shinya Hayami; Masaaki Ohba; Minoru Satoh; Satoshi Kawata
    Dalton Transactions, 02 Mar. 2023, Refereed
    Lead
  • Thermochromism in a dinuclear copper complex by spin state changes at various temperatures
    Tomohiko Hamaguchi; Yutaro Matsuda; Naoki Satomi; Ryuta Ishikawa; Shinya Hayami; Isao Ando; Satoshi Kawata
    Polyhedron, 01 Jan. 2022, Refereed
  • Synthesis and X-ray crystallography of nonanuclear cobalt cluster andmononuclear cobalt complex: Effect of phosphine on the formation ofcobalt complexes
    HAMAGUCHI Tomohiko; KAWATA Satoshi
    Polyhedron, 19 Sep. 2020, Refereed
  • A dinuclear nickel catalyst based on metal–metal cooperation for electrochemical hydrogen production
    Tomohiko Hamaguchi; Keisuke Kai; Isao Ando; Ken Kawano; Kosei Yamauchi; Ken Sakai
    Inorganica Chimica Acta, 24 May 2020, Refereed
  • Synthesis, characterization and vapochromic behavior of bis-2-(2-pyridyl)ethylamine copper(II) complexes
    Tomohiko Hamaguchi; Naoki Satomi; Isao Ando
    Inorganica Chimica Acta, 01 Apr. 2018, Refereed
  • Synthesis, electrochemical properties and catalytic behavior for electrochemical hydrogen production of [Ni(1,3-bis(diphenylphosphino)propane)((2-mercaptopyridinate)-κN,S)]BF4
    Tomohiko Hamaguchi; Keisuke Kai; Shohei Konishi; Isao Ando
    Polyhedron, 15 Feb. 2018, Refereed
  • Synthesis and characterization of a heteroleptic nickel paddlewheel complex
    HAMAGUCHI Tomohiko; ANDO Isao
    J. Mol. Struct., 2018, Refereed
  • pH-Dependent structural diversity of a 2-pyridinemethanol Cu complex and its relatively strong magnetic exchange coupling via hydrogen bonding
    Tomohiko Hamaguchi; Tomoko Nagata; Shinya Hayami; Satoshi Kawata; Isao Ando
    DALTON TRANSACTIONS, May 2017, Refereed
  • Structural Transformations of Layered Structures Constructed from Cu(II)–Chloranilate Monomer Compouns
    Sadahiro Yagishita; Akiko Himegi; Ken Kanazashi; Tomomi Ohishi; Ryuta Ishikawa; Tomohiko Hamaguchi; Satoshi Kawata
    DALTON TRANSACTIONS, Mar. 2017, Refereed
  • Structural transformations of layered structures constructed from Cu(II)-chloranilate monomer compounds
    Sadahiro Yagishita; Akiko Himegi; Ken Kanazashi; Tomomi Ohishi; Ryuta Ishikawa; Tomohiko Hamaguchi; Satoshi Kawata
    Dalton Trans., 2017, Refereed
  • Crystal structure of bis(1,10-phenanthroline- 2N,N′)(1,3-thia-zole-2-thiolato- 2S2,N)nickel(II) hexafluoridophosphate 1,4-dioxane sesquisolvate
    Keisuke Kai; Tomohiko Hamaguchi; Isao Ando
    Acta Crystallographica Section E: Crystallographic Communications, 2017, Refereed
  • Competing ferro- and antiferromagnetic interactions in a hexagonal bipyramidal nickel thiolate cluster
    Tomohiko Hamaguchi; Michael D. Doud; Jeremy Hilgar; Jeffrey D. Rinehart; Clifford P. Kubiak
    DALTON TRANSACTIONS, 2016, Refereed
  • Effect of second-sphere coordination 14. Adduct formation of ruthenium complexes with protic ligands of different types
    Isao Ando; Kouhei Hisatomi; Kaori Oku; Tomohiko Hamaguchi
    INORGANICA CHIMICA ACTA, Aug. 2015
  • Synthesis and characterisation of a new six-coordinated thermochromic Ni complex
    Tomohiko Hamaguchi; Isao Ando
    INORGANICA CHIMICA ACTA, Mar. 2015, Refereed
  • Bis[(5-bromopyridin-2-yl)methanolato-κ2N,O]copper(II) monohydrate
    Tomohiko Hamaguchi; Issei Kawahara; Isao Ando
    Acta Crystallographica Section E: Structure Reports Online, Nov. 2013, Refereed
  • Identification of various electrochemical processes in the ruthenium complexes with a redox-active ligand by in situ spectroscopy and time-dependent density functional theory calculations
    Tomohiko Hamaguchi; Yoshiki Kurashige; Isao Ando
    INORGANICA CHIMICA ACTA, Aug. 2013, Refereed
  • Bis[(5-bromopyridin-2-yl)methanolato-κ2N,O]copper(II) monohydrate
    Nina Lah; Katja Lapanje
    ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY, Jun. 2013, Refereed
  • Effect of ligand basicity on electrochemically induced linkage isomerization in 2-mercaptopyridine-ruthenium complexes
    Tomohiko Hamaguchi; Miho Kaneko; Isao Ando
    POLYHEDRON, Feb. 2013, Refereed
  • Control of Isomerization of Pyridinethiol–Ruthenium Complexes via External Stimuli and Factors Affecting Isomerization Behavior
    Tomohiko Hamaguchi; Yoshimasa Inoue; Kikujiro Ujimoto; Satoshi Kawata; Isao Ando
    BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, Jan. 2012, Refereed
  • Bis(2,2 '-bipyridine)(pyridin-2-olato)ruthenium(II) hexafluoridophosphate benzene hemisolvate
    Tomohiko Hamaguchi; Isao Ando
    ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE, Dec. 2011, Refereed
  • Tris(pyridin-2-ylmethanol)nickel(II) hexafluoridophosphate trifluoroacetate
    Tomohiko Hamaguchi; Tomoko Nagata; Satoshi Kawata; Isao Ando
    ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE, Nov. 2011, Refereed
  • Synthesis, crystal structure and electrochemistry of a ruthenium complex coordinated with an ambidentate 2-mercaptopyridinato N-oxide ligand
    Tomohiko Hamaguchi; Yoshimasa Inoue; Kikujiro Ujimoto; Isao Ando
    POLYHEDRON, Jun. 2008, Refereed
  • A novel 2-mercaptopyridine-ruthenium complex exhibiting electrochemically induced linkage isomerization switched on/off by protolysis
    HAMAGUCHI Tomohiko; UJIMOTO Kikujiro; ANDO Isao
    Inorg. Chem., 2007, Refereed
  • 14 Step-15 Electron Reversible Redox Behavior of Tetrameric Oligomer of Oxo-Bridged Triruthenium Cluster
    Tomohiko Hamaguchi; Haruko Nagino; Katsunori Hoki; Hiroaki Kido; Tadashi Yamaguchi; Brian K. Breedlove; Tasuku Ito
    Bulletin of the Chemical Society of Japan, Apr. 2005
  • Tetramer of Oxo-Centered Triruthenium Complexes Prossessing Reversible 14 Step 15 Electrons Redox Processes
    Bull. Chem. Soc. Jpn, 2005, Refereed
  • Observation and dynamics of "charge-transfer isomers"
    T Ito; N Imai; T Yamaguchi; T Hamaguchi; CH Londergan; CP Kubiak
    ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2004, Refereed
  • Intramolecular electron transfer on the vibrational timescale in mixed valence ruthenium clusters
    N Imai; T Hamaguchi; T Yamaguchi; T Ito
    MATERIALS SCIENCE-POLAND, 2003, Refereed
  • Syntheses and properties of a series of oxo-centered triruthenium complexes and their bridged dimers with isocyanide ligands at terminal and bridging positions
    K Ota; H Sasaki; T Matsui; T Hamaguchi; T Yamaguchi; T Ito; H Kido; CP Kubiak
    INORGANIC CHEMISTRY, Sep. 1999, Refereed
  • Electron transfer on the infrared vibrational time scale in-the mixed valence state of 1,4-pyrazine- and 4,4 '-bipyridine-bridged ruthenium cluster complexes
    T Ito; T Hamaguchi; H Nagino; T Yamaguchi; H Kido; IS Zavarine; T Richmond; J Washington; CP Kubiak
    JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, May 1999, Refereed
  • Effects of rapid intramolecular electron transfer on vibrational spectra
    T Ito; T Hamaguchi; H Nagino; T Yamaguchi; J Washington; CP Kubiak
    SCIENCE, Aug. 1997, Refereed
■ MISC
  • 酸化還元に伴う構造変化を示すルテニウム錯体とその構造変化の制御について
    Hamaguchi Tomohiko; Ando Isao
    Fukuoka University science reports, Sep. 2014
  • Synthesis and Redox Behavior of Tetraammineruthenium Complexes with S, S- and N, N-Donor Quinonoid
    Umemura Ippei; Ando Isao; Hamaguchi Tomohiko
    Fukuoka University science reports, Sep. 2010
  • 新規酸化状態をもつジオキソレンのルテニウムアンミン錯体の合成
    Ando Isao; Ogawa Masashi; Hamaguchi Tomohiko; Ujimoto Kikujiro
    Fukuoka University science reports, Sep. 2008
  • 電子吸引性置換基をもつジオキソレン類を配位子としたルテニウム錯体の合成と結晶構造解析
    Hamaguchi Tomohiko; Motomura Kouichi; Inoue Yoshimasa; Ujimoto Kikujiro; Ando Isao
    Fukuoka University science reports, Mar. 2008
■ Books and other publications
  • 錯体化合物事典
    Others
    朝倉書店, 10 Sep. 2019
  • 金属錯体の電子移動と電気化学
    伊藤 翼; 山口 正; Brian K. BREEDLOVE; 濱口 智彦, Contributor, 88-101
    三共出版, Nov. 2013
    9784782706992
  • Redox Systems Under Nano-Space Control, ed. by Toshikazu Hirao
    Tomohiko Hamaguchi; Tadashi Yamaguchi; Tasuku Ito, Contributor, 133-140
    Springer, 2006
■ Lectures, oral presentations, etc.
  • Electrochemically induced linkage isomerization switched on/off by protolysis in ruthenium(II) complexes of 2-mercaptopyridine
    Tomohiko Hamaguchi
    43rd International Conference on Coordination Chemistry, 30 Jul. 2018
  • Development of a catalyst for electrochemical hydrogen production based on cooperative two-Nickel ions
    Tomohiko Hamaguchi; Michael D. Doud; Clifford P. Kubiak
    2nd International Solar Fuels conference, 06 Jul. 2017
  • Effect of ligand basicity on electrochemically induced linkage isomerization in 2-mercaptopyridine-ruthenium complexes
    Tomohiko Hamaguchi; Yoshimasa Inoue; Miho Kaneko; Isao Ando
    International Symposium for the 70th Anniversary of the Tohoku Branch of the Chemical Society of Japan, 28 Sep. 2013
  • Synthesis and electrochemical behavior of tetraammineruthenium complexes of quinonoid with N, O-coordination
    I. Umemura; T. Hamaguchi; S. Kawata; I. Ando
    2010 International Chemical Congress of Pacific Basin Societies, Dec. 2010
  • Electrochemically induced linkage isomerization switched on/off by protolysis in 2-mercaptopyridine ruthenium(II) complexes
    Tomohiko HAMAGUCHI; Yoshimasa INOUE; Kikujiro UJIMOTO; Satoshi KAWATA; Isao ANDO
    2010 International Chemical Congress of Pacific Basin Societies, Dec. 2010
  • Control by external stimuli for the isomerization on the mercaptopyridine ruthenium complex
    Tomohiko HAMAGUCHI; Yoshimasa INOUE; Eriko NAGAI; Kikujiro UJIMOTO; Satoshi KAWATA; Isao ANDO
    60th Anniversary Conference on Coordination Chemistry in OSAKA, Sep. 2010
  • ルテニウムテトラアンミン-ジオキソレン錯体の酸化還元経路の検討
    藏重好樹; 濱口智彦; 氏本菊次郎; 安藤 功
    2006年日本化学会西日本大会, 2006
  • Electroreduction of dioxygen to water by the complex constructed with an electron donor and a reaction center
    Tomohiko Hamaguchi; Yamaguchi Tadashi; Tasuku Ito
    The International Symposium on Dynamic Complexes, Jan. 2005
  • Multistep/multielectron redox behavior of oligomers of triruthenium cluster
    Tomohiko Hamaguchi; Humihiko Otsuki; Katsunori Hoki; Tadashi Yamaguchi; Tasuku Ito
    Nano-Science of Advanced Metal Complexes, Mar. 2003
  • SYNTHESIS AND CHARACTERIZATION OF METALLO DENDRIMERS OF TRIRUTHENIUM CLUSTER UNITS
    Tomohiko Hamaguchi; Humihiko Otsuki; Kenichirou Ota; Tadashi Yamaguchi; Tasuku Ito
    XXXVth International Conference on Coordination Chemistry, Jul. 2002
■ Affiliated academic society
  • 錯体化学会
  • 日本化学会