期刊
APPLIED CATALYSIS B-ENVIRONMENTAL
卷 198, 期 -, 页码 311-317出版社
ELSEVIER
DOI: 10.1016/j.apcatb.2016.05.077
关键词
Photosynthesis; Biocatalysis; NADH regeneration; Water oxidation; FeOOH
资金
- National Research Foundation via the Creative Research Initiative Center, Republic of Korea [NRF-2015R1A3A2066191]
Redox enzymes are industrially important for catalyzing highly complex reactions because of their excellent regio- and stereo-selectivity; however, broad application of redox enzymes has been often limited by the requirement of stoichiometric supply of cofactors such as S-nicotinamide adenine dinucleotide (NADH). Here, we report light-driven cofactor regeneration coupled with water oxidation by employing a photoelectrochemical cell platform consisted of a FeOOH/Fe2O3 photoanode and a black silicon photocathode. The FeOOH layer deposited on Fe2O3 surface decreased reaction barriers for water oxidation. The black silicon photocathode exhibited high photocurrent response and superior capacity to drive cofactor reduction. The cofactor regeneration yield in the photoelectrochemical cell was almost two-fold higher than that obtained in homogenous system, which demonstrates that photoelectrochemical cell is a promising platform for redox biocatalytic reactions using water as an electron donor. (C) 2016 Elsevier B.V. All rights reserved.
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