Journal
JOURNAL OF COLLOID AND INTERFACE SCIENCE
Volume 505, Issue -, Pages 805-815Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2017.06.085
Keywords
Hydrothermal; Natural sunlight; Three-component n-p heterojunction
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Funding
- NSFC [21677047]
- Research Start-up Foundation [5101219170107]
- Technological Frontier Project of Henan Province [162300410046]
- Youth Science Foundation of Henan Normal University for the PhD, PR China [2015QK29]
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The novel three-component BiVO4/Bi2S3/MoS2 heterojunction was successfully fabricated through a facile in-situ hydrothermal method based on the formation of the intermediate Bi2S3 by coupling BiVO4 and MoS2 precursor. The Bi2S3 was easily formed attributing to the strong interaction between Bi3+ and S2- ions with the aid of the hydrothermal reaction. The photocatalytic performances of samples were systematically investigated via the photocatalytic degradation of Rhodamine B (RhB), methylene blue (MB) and malachite green (MG) under solar light irradiation. As a result, the photocatalytic degradation rate of BM 10 for RhB, MB and MG are 97%, 93% and 94%, respectively. The enhanced photocatalytic activities could be due to the suppression of charge recombination and the enhanced the visible light absorption of BiVO4/Bi2S3/MoS2 heterojunction. (C) 2017 Elsevier Inc. All rights reserved.
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