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American Chemical Society, ACS Sustainable Chemistry and Engineering, 10(2), p. 2253-2258, 2014

DOI: 10.1021/sc5004665

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Reduced Graphene Oxide (rGO)/BiVO 4 Composites with Maximized Interfacial Coupling for Visible Lght Photocatalysis

Journal article published in 2014 by Tuo Wang, Changjiang Li, Junyi Ji, Yijia Wei, Peng Zhang, Shengping Wang, Xiaobin Fan, Jinlong Gong
This paper is available in a repository.
This paper is available in a repository.

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Abstract

This paper describes the construction of reduced graphene oxide (rGO)/BiVO4 composites with maximized interfacial coupling and their application as visible light photocatalysts. Thin rGO sheets (<5 nm) could completely cover BiVO4 polyhedrons with highly active (040) facets exposed through an evaporation-induced self-assembly process. In addition to the increased surface adsorption effect of rGO, a considerable enhancement of the photoactivity of BiVO4 has been demonstrated through the degradation of methylene blue upon the covering of rGO. The improved photocatalytic activity is attributed to the formation of well-defined rGO/BiVO4 interfaces, which greatly enhances the charge separation efficiency.