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Effect of chemical structure of bipyridinium salts as electron carrier on the visible-light induced conversion of CO2 to formic acid with the system consisting of water-soluble zinc porphyrin and formate dehydrogenase

Paper ID Volume ID Publish Year Pages File Format Full-Text
26477 43954 2015 5 PDF Available
Title
Effect of chemical structure of bipyridinium salts as electron carrier on the visible-light induced conversion of CO2 to formic acid with the system consisting of water-soluble zinc porphyrin and formate dehydrogenase
Abstract

•Effect of chemical structures of 2,2′-bipyridinium salts (BP2+) on the visible-light induced conversion of CO2 to formic acid with the system consisting of Zn porphyrin and formate dehydrogenase (FDH) was investigated.•The photoreduction efficiency of BP2+ depends on the redox potential of BP2+ and effective photoreduction was observed using 1,1′-ethylene-2,2′-bipyridinium dibromide (DB2+) with the lowest redox potential among BP2+s.•The formic acid production yield depends on the redox potential of BP2+ and the dihedral angle of the reduced form of BP2+, and effective formic acid production using DB2+ with the lowest redox potential and smallest dihedral angle also was observed compared with the other BP2+s.

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.

Keywords
Artificial photosynthesis; Bipyridinium salt; CO2 reduction; Formate dehydrogenase; Formic acid synthesis; Zinc porphyrin
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Effect of chemical structure of bipyridinium salts as electron carrier on the visible-light induced conversion of CO2 to formic acid with the system consisting of water-soluble zinc porphyrin and formate dehydrogenase
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 313, 1 December 2015, Pages 149–153
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us