期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 134, 期 48, 页码 19572-19575出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja309771h
关键词
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资金
- MEXT (Japan) [20108010, 24350069]
- NRF/MEST (Korea) [R31-2008-000-10010-0, 2010-00353]
- National Research Foundation of Korea [R31-2012-000-10010-0] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- Grants-in-Aid for Scientific Research [20108001, 20108010] Funding Source: KAKEN
Single or mixed oxides of iron and nickel have been examined as catalysts in photocatalytic water oxidation using [Ru(bpy)(3)](2+) as a photosensitizer and S2O82- as a sacrificial oxidant. The catalytic activity of nickel ferrite (NiFe2O4) is comparable to that of a catalyst containing Ir, Ru, or Co in terms of O-2 yield and O-2 evolution rate under ambient reaction conditions. NiFe2O4 also possesses robustness and ferromagnetic properties, which are beneficial for easy recovery from the solution after reaction. Water oxidation catalysis achieved by a composite of earth-abundant elements will contribute to a new approach to the design of catalysts for artificial photosynthesis.
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