Journal
CERAMICS INTERNATIONAL
Volume 42, Issue 1, Pages 1392-1398Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2015.09.081
Keywords
DOM WO3-Ag3PO4; Photocatalytic; Visible light irradiation
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Funding
- National Natural Science Foundation of China [21476097, 21407065, 21406094]
- Natural Science Foundation of Jiangsu Province [BK20131207, BK20140533]
- Postdoctoral Foundation of China [2014M551520, 2013M541619]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
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A series of three-dimensionally ordered macroporous WO3 (3DOM WO3) hybridized Ag3PO4 photocatalysts with different 3DOM WO3 contents were prepared. The composites were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), UV visible absorption spectra (UV vis) and Fourier transform infrared (FT-IR) spectra. Under visible light irradiation, the as-prepared 3DOM WO3-Ag3PO4 composites showed enhanced photocatalytic performance for methylene blue (MB) degradation. The sample with 3DOM WO3-g(3)PO(4) (4 wt%) exhibited the highest photocatalytic activity. The enhanced photocatalytic performance under visible light irradiation could be due to a synergistic effect between 3DOM WO3 and Ag3PO4. After the introduction of 3DOM WO3, the separation efficiency of the photogenerated electron-hole pairs could be increased. (C) 2015 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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