Journal
RESEARCH ON CHEMICAL INTERMEDIATES
Volume 40, Issue 9, Pages 3267-3276Publisher
SPRINGER
DOI: 10.1007/s11164-014-1832-1
Keywords
Artificial photosynthesis; CO2 conversion; Formic acid; Solar fuel
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Funding
- Precursory Research for Embryonic Science and Technology (PRESTO, Japan Science and Technology Agency JST)
- Japan Society for the Promotion of Science [23560947]
- [2406]
- Grants-in-Aid for Scientific Research [23560947, 24107005] Funding Source: KAKEN
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Formate dehydrogenase (FDH)-viologen with a long alkyl chain (CH3V(CH2) (n) COOH) immobilized on an indium-tin oxide (ITO) electrode, with the function of reduction of CO2 to formic acid, was investigated as an artificial photosynthesis device based on CO2 reduction. The amount of formic acid produced by use of FDH-CH3V(CH2) (n) COOH immobilized on ITO in CO2-saturated buffer solution, on application of a potential, as a result of one-electron reduction of viologen, depends on the carbon chain length of CH3V(CH2) (n) COOH. When a CH3V(CH2)(9)COOH-FDH/ITO electrode was used, production of formic acid was estimated to be 23 mu mol after 3 h.
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