Issue 88, 2021

Crystal facet modulation of Bi2WO6 microplates for spatial charge separation and inhibiting reverse reaction

Abstract

We experimentally demonstrated that spatial charge separation can take place between the {010} and {001} facets of Bi2WO6 microplates. Further assembly of the reduction and oxidation cocatalysts leads to a remarkable enhancement of photocatalytic water oxidation activity in the presence of Fe3+ ions while the reverse oxidation of Fe2+ to Fe3+ ions is totally inhibited. The origin of the driving force is theoretically proven to be the difference in surface work function between the co-exposed facets, which shows a feasible strategy for developing efficient photocatalysts for solar energy conversion.

Graphical abstract: Crystal facet modulation of Bi2WO6 microplates for spatial charge separation and inhibiting reverse reaction

Supplementary files

Article information

Article type
Communication
Submitted
02 set 2021
Accepted
11 out 2021
First published
11 out 2021

Chem. Commun., 2021,57, 11637-11640

Crystal facet modulation of Bi2WO6 microplates for spatial charge separation and inhibiting reverse reaction

A. Adenle, H. Zhou, X. Tao, Y. Zhao, M. Shi, B. Zeng, J. Qu, R. Li and C. Li, Chem. Commun., 2021, 57, 11637 DOI: 10.1039/D1CC04942A

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