2013 Fiscal Year Final Research Report
Multielectron reduction of carbon dioxide by polynuclear coordination complexes
| Project/Area Number |
24655042
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Single-year Grants |
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| Research Field |
Inorganic chemistry
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| Research Institution | University of Tsukuba |
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Principal Investigator |
OSHIO Hiroki 筑波大学, 数理物質系, 教授 (60176865)
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| Project Period (FY) |
2012-04-01 – 2014-03-31
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| Keywords | 二酸化炭素還元触媒 / ルテニウム錯体 / 複核錯体 / 多電子酸化還元 / 均一触媒 / 金属多核錯体 / エネルギー問題 |
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| Research Abstract |
In order to develop novel dinuclear complexes with coordination space for binding of carbon dioxide, a new bridging ligand, which includes a cyclohexane moiety as a spacer and two bipyridine groups as coordination sites, was synthesized. The reaction of the ligand with mononuclear ruthenium terpyridine complexes allowed the isolation of a dinuclear ruthenium complex. The dinuclear complex shows reversible redox properties originated from the ligand and ruthenium centers. In electrochemical measurements under CO2 conditions, catalytic currents was observed. Analyses by gas chromatography confirmed that CO was the only detectable gas phase product. These results show that flexibly bridged dinuclear ruthenium complexes can act as carbon dioxide reduction catalysts.
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[Journal Article] X-ray Magnetic Circular Dichroism Investigation of the Electron Transfer Phenomena Responsible for Magnetic Switching in a Cyanide-Bridged [CoFe] Chain2013
Author(s)
M.L. Baker, Y. Kitagawa, T. Nakamura, K. Tazoe, Y. Narumi, Y. Kotani, F. Iijima, G.N. Newton, M. Okumura, H. Oshio, H. Nojiri
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Journal Title
Inorg. Chem.
Volume: 52
Pages: 13956-13962
DOI
Peer Reviewed
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[Presentation] Switching properties of a [CoFe] chiral 1-D chain complex2013
Author(s)
Fumichika Iijima, Norihisa Hoshino, Norifumi Yoshida, Takuya Shiga, Graham N. Newton, Akiko Nakao, Youichi Murakami, Kou Tazoe, Michael Baker, Hiroyuki Nojiri, Hiroki Oshio
Organizer
4th Asian Conference on Coordination Chemistry
Place of Presentation
International Convention Center, Jeju, Korea
Year and Date
20131104-07
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[Presentation] Multi-step Spin-crossover Iron [2 x 2] Grids2013
Author(s)
Takuto Matsumoto, Graham N. Newton, Takuya Shiga, Hidenobu Kamihata, Shinya Hayami, Yuta Matsui, Hiroshi Okamoto, Reiji Kumai, Youichi Murakami, Hiroki Oshio
Organizer
4th Asian Conference on Coordination Chemistry
Place of Presentation
International Convention Center, Jeju, Korea
Year and Date
20131104-07
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