Facile fabrication of BiVO4 nanofilms with controlled pore size and their photoelectrochemical performances

Chenchen Feng; Zhengbo Jiao; Shaopeng Li; Yan Zhang; Yingpu Bi

doi:10.1039/C5NR06584D

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Facile fabrication of BiVO₄ nanofilms with controlled pore size and their photoelectrochemical performances†

Chenchen Feng,^a Zhengbo Jiao,^a Shaopeng Li,^a Yan Zhang^b and Yingpu Bi*^a

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* Corresponding authors

^a State Key Laboratory for Oxo Synthesis & Selective Oxidation, National Engineering Research Center for Fine Petrochemical Intermediates Lanzhou Institute of Chemical Physics, CAS, Lanzhou, Gansu 730000, P.R. China
E-mail: yingpubi@licp.cas.cn

^b College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 730070, P.R. China

Abstract

We demonstrate a facile method for the rational fabrication of pore-size controlled nanoporous BiVO₄ photoanodes, and confirmed that the optimum pore-size distributions could effectively absorb visible light through light diffraction and confinement functions. Furthermore, in situ X-ray photoelectron spectroscopy (XPS) reveals more efficient photoexcited electron–hole separation than conventional particle films, induced by light confinement and rapid charge transfer in the inter-crossed worm-like structures.

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Article information

DOI: https://doi.org/10.1039/C5NR06584D
Article type: Communication
Submitted: 23 Sep 2015
Accepted: 11 Nov 2015
First published: 12 Nov 2015

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Nanoscale, 2015,7, 20374-20379

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Facile fabrication of BiVO₄ nanofilms with controlled pore size and their photoelectrochemical performances

C. Feng, Z. Jiao, S. Li, Y. Zhang and Y. Bi, Nanoscale, 2015, 7, 20374 DOI: 10.1039/C5NR06584D

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