The promotion effect of surface negative electrostatic field on the photogenerated charge separation of BiVO4 and its contribution to the enhanced PEC water oxidation

Mingzheng Xie; Ji Bian; Muhammad Humayun; Yang Qu; Yujie Feng; Liqiang Jing

doi:10.1039/C4CC08835B

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The promotion effect of surface negative electrostatic field on the photogenerated charge separation of BiVO₄ and its contribution to the enhanced PEC water oxidation†

Mingzheng Xie,^ab Ji Bian,^a Muhammad Humayun,^a Yang Qu,^a Yujie Feng^b and Liqiang Jing*^a

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* Corresponding authors

^a Key Laboratory of Functional Inorganic Materials Chemistry (Heilongjiang University), Ministry of Education, School of Chemistry and Materials Science, Harbin 150080, P. R. China
E-mail: jinglq@hlju.edu.cn

^b State Key Lab of Urban Water Resource and Environment (Harbin Institute of Technology), Harbin 150001, P. R. China

Abstract

The increased surface-carried negative charge of BiVO₄ after phosphate modification prolongs the photogenerated charge carrier lifetime and improves the separation by inducing the holes to transfer to the surface, leading to the obvious enhancement of visible light activities for PEC water oxidation.

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Article information

DOI: https://doi.org/10.1039/C4CC08835B
Article type: Communication
Submitted: 05 Nov 2014
Accepted: 06 Jan 2015
First published: 06 Jan 2015

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Chem. Commun., 2015,51, 2821-2823

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The promotion effect of surface negative electrostatic field on the photogenerated charge separation of BiVO₄ and its contribution to the enhanced PEC water oxidation

M. Xie, J. Bian, M. Humayun, Y. Qu, Y. Feng and L. Jing, Chem. Commun., 2015, 51, 2821 DOI: 10.1039/C4CC08835B

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Chemical Communications