期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 135, 期 12, 页码 4596-4599出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja311541a
关键词
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资金
- Japan Science and Technology Agency (Research Seeds Quest Program)
- Toyota Motor Co.
- Japan Society for the Promotion of Science (JSPS)
- Grants-in-Aid for Scientific Research [11J08231, 24107005] Funding Source: KAKEN
A hybrid for the visible-light-driven photocatalytic reduction of CO2 using methanol as a reducing agent was developed by combining two different types of photocatalysts: a Ru(II) dinuclear complex (RuBLRu') used for CO2 reduction is adsorbed onto Ag-loaded TaON (Ag/TaON) for methanol oxidation. Isotope experiments clearly showed that this hybrid photocatalyst mainly produced HCOOH (TN = 41 for 9 h irradiation) from CO2 and HCHO from methanol. Therefore, it converted light energy into chemical energy (Delta G degrees = +83.0 kJ/mol). Photocatalytic reaction proceeds by the stepwise excitation of Ag/TaON and the Ru dinuclear complex on Ag/TaON, similar to the photosynthesis Z-scheme.
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