Journal
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
Volume 313, Issue -, Pages 149-153Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jphotochem.2015.06.026
Keywords
Artificial photosynthesis; Bipyridinium salt; CO2 reduction; Formate dehydrogenase; Formic acid synthesis; Zinc porphyrin
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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 [24107005, 23560947] Funding Source: KAKEN
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Effect of chemical structures of some 2,2'-bipyridinium salts (BP2+) as the electron carrier molecules on the visible-light induced conversion of CO2 to formic acid with the system consisting of water-soluble zinc tetraphneylporphyrin tetrasulfonate (ZnTPPS) and formate dehydrogenase (FDH) in the presence of triethanolamine (TEOA) as an electron donor molecule was investigated. Irradiation of a CO2 saturated solution containing TEOA, ZnTPPS, BP2+ and FDH with visible light resulted in production of formic acid. By using 1,1'-ethylene-2,2'-bipyridinium dibromide (DB2+) as an electron carrier molecule, the effective formic acid production was observed compared with the other 2,2'-bipyridinium salt derivatives. (C) 2015 Elsevier B.V. All rights reserved.
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