2016 Fiscal Year Final Research Report
Development of NIR light responsible photoelectrodes for water splitting
| Project/Area Number |
15K17895
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Energy-related chemistry
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| Research Institution | The University of Tokyo |
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Principal Investigator |
MINEGISHI TSUTOMU 東京大学, 大学院工学系研究科(工学部), 准教授 (40512992)
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| Project Period (FY) |
2015-04-01 – 2017-03-31
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| Keywords | 水素 / 太陽光 / 人工光合成 / カルコゲナイド / 光電気化学 / 光カソード / カルコパイライト / 近赤外光応答 |
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| Outline of Final Research Achievements |
In the research project “Development of NIR light responsible photoelectrodes for water splitting”, photoelectrochemical materials with long absorption edge were investigated.
CuInSe2 showed considerably long absorption edge of over 1200 nm with significantly high onset potential of 0.7 V vs. RHE in hydrogen evolution from water.
In addition, we developed solid solution of ZnSe and Cu(In,Ga)Se2 (ZnSe:CIGS) as a photocathode material. ZnSe:CIGS was found to be the promising material for hydrogen evolution from water under sunlight. Because, the photocathode composed of the solid solution showed high onset potential of 0.9 V vs. RHE and long absorption edge on about 900 nm.
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| Free Research Field |
人工光合成
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