Visible-light-driven Ag-decorated g-C3N4/Bi2WO6 Z-scheme composite for high photocatalytic activity
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Chen, Lei
Wang, Wentai
Han, Dezhi
Wang, Liang
Feng, Lijuan
Li, Qin
Li, Chunhu
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Abstract
A novel Z-scheme Ag-decorated g-C3N4/B2WO6 composite is successfully synthesized by introducing Ag NPs on the interface of g-C3N4/Bi2WO6 composite. The Ag-decorated g-C3N4/Bi2WO6 sample exhibits much higher photocatalytic activity than g-C3N4/Bi2WO6 composite on the degradation of Rhodamine B under visible light. The significantly enhanced catalytic efficiency could be attributed to the Z-scheme transfer mechanism of photogenerated electron-hole pairs, which was confirmed by investigating the morphology, structure, optical properties and photocatalytic activities.
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Materials Letters
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204
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© 2017 Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (http://creativecommons.org/licenses/by-nc-nd/4.0/) which permits unrestricted, non-commercial use, distribution and reproduction in any medium, providing that the work is properly cited.
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Physical sciences
Chemical sciences
Macromolecular and materials chemistry not elsewhere classified
Engineering