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Light‐Driven Highly Selective Conversion of CO 2 to Formate by Electrosynthesized Enzyme/Cofactor Thin Film Electrode

Light‐Driven Highly Selective Conversion of CO 2 to Formate by Electrosynthesized Enzyme/Cofactor... The highly selective electrochemical reduction of carbon dioxide (CO2) is reported to formate (HCOO‐) at a compactly integrated bioelectrode. The enzymatic biocatalytic cathode is fabricated by single‐step electropolymerization of a multifunctional polydopamine film in which enzyme/cofactor couples are uniquely embedded. Interestingly, this thin biohybrid system of nanoscale thickness assures unprecedentedly prolonged catalytic enzyme stability for about two weeks. Mimicking the natural photosynthesis, combination with the photoanode utilizing the water oxidation, steadily produces formate at a faradaic efficiency of 99.18 ± 6.77% with little degradation at least for 1 d under 1 sun illumination and no external bias. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Advanced Energy Materials Wiley

Light‐Driven Highly Selective Conversion of CO 2 to Formate by Electrosynthesized Enzyme/Cofactor Thin Film Electrode

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References (43)

Publisher
Wiley
Copyright
Copyright © 2016 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim
ISSN
1614-6832
eISSN
1614-6840
DOI
10.1002/aenm.201502207
Publisher site
See Article on Publisher Site

Abstract

The highly selective electrochemical reduction of carbon dioxide (CO2) is reported to formate (HCOO‐) at a compactly integrated bioelectrode. The enzymatic biocatalytic cathode is fabricated by single‐step electropolymerization of a multifunctional polydopamine film in which enzyme/cofactor couples are uniquely embedded. Interestingly, this thin biohybrid system of nanoscale thickness assures unprecedentedly prolonged catalytic enzyme stability for about two weeks. Mimicking the natural photosynthesis, combination with the photoanode utilizing the water oxidation, steadily produces formate at a faradaic efficiency of 99.18 ± 6.77% with little degradation at least for 1 d under 1 sun illumination and no external bias.

Journal

Advanced Energy MaterialsWiley

Published: Jun 1, 2016

Keywords: ; ; ; ;

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