Selective Deposition of Cobalt and Copper Oxides on BiVO 4  Facets for Enhancement of CO 2  Photocatalytic Reduction to Hydrocarbons | Zendy

Yu Xiang | Zendy; Ordomsky Vitaly V. | Zendy; Khodakov Andrei Y. | Zendy

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Selective Deposition of Cobalt and Copper Oxides on BiVO 4 Facets for Enhancement of CO 2 Photocatalytic Reduction to Hydrocarbons

Author(s) -

Yu Xiang,

Ordomsky Vitaly V.,

Khodakov Andrei Y.

Publication year - 2020

Publication title -

chemcatchem

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.497

H-Index - 106

eISSN - 1867-3899

pISSN - 1867-3880

DOI - 10.1002/cctc.201901115

Subject(s) - bismuth vanadate , photocatalysis , bismuth , monoclinic crystal system , materials science , semiconductor , cobalt , deposition (geology) , catalysis , copper , nanostructure , inorganic chemistry , chemical engineering , nanotechnology , chemistry , crystal structure , crystallography , optoelectronics , metallurgy , geology , paleontology , biochemistry , sediment , engineering

The nanostructure of a semiconductor is a crucial parameter for efficient photocatalytic performance. Hereby, we have synthesized monoclinic bismuth vanadate (BiVO 4 ) crystals with controlled ratio of {010} and {110} facets. The selective deposition of CuO x and CoO x over {010} and {110} facets has been performed using photo‐reduction and photo‐oxidation methods, respectively. It resulted in a highly efficient charge separation of photogenerated electrons and holes and enhancement of the photocatalytic reduction of CO 2 by H 2 O into hydrocarbons, including CH 4 , C 2 H 6 and C 3 H 8 . The controlled co‐catalyst deposition over different semiconductor facets provides a strategy for the synthesis of hydrocarbons from CO 2 and H 2 O by efficient charge separation.

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