Journal
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
Volume 1, Issue 17, Pages 2607-2612Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jz100978u
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- Australian Research Council
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Bismuth vanadate (BiVO4) is incorporated with reduced,graphene oxide (RGO) using a facile single-step photocatalytic reaction to improve its photoresponse in visible light. Remarkable 10-fold enhancement in photoelectrochemical water splitting reaction is observed on BiVO4-RGO composite compared with pure BiVO4 under visible illumination. This improvement is attributed to the longer electron lifetime of excited BiVO4 as the electrons are injected to RGO instantly at the site of generation, leading to a minimized charge recombination. Improved contact between BiVO4 particles with transparent conducting electrode using RGO scaffold also contributes to this photoresponse enhancement.
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