Journal
MATERIALS LETTERS
Volume 188, Issue -, Pages 392-395Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2016.11.096
Keywords
Ag/Ag3PO4/BiPO4; Semiconductor materials; Photocatalytic activity; 2,4-Dichlorophenol
Funding
- National Natural Science Foundation of China [51608250, 51468044]
- Science planning project of Jiangxi Province Education Department [GJJ150712]
- Nanchang Hangkong University [EA201602041]
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Novel Ag/Ag3PO4 nanostructure-sensitized BiPO4 (Ag/Ag3PO4/BiPO4) photocatalyst was synthesized by a Xe lamp irradiation assisted co-precipitation hydrothermal method and characterized by various technical means. In comparison with N-doped TiO2 and BiPO4, the Ag/Ag3PO4/BiPO4 nanocomposites showed much higher efficiency for photocatalytic degradation of 2,4-dichlorophenol under visible light irradiation (lambda >= 420 nm). Among the Ag/Ag3PO4/BiPO4 nanocomposites, the Ag/Ag3PO4/BiPO4 sample (the molar ratio of Ag/Ag3PO4 and BiPO4 is 1:2) exhibited the highest photpcatalytic activity. The enhanced photocatalytic activity of AgiAg(3)PO(4)/BiPO4 could be attributed to the strong visible light absorption resulting from the surface plasmon resonance effect of metallic Ag nanoparticles and the highly efficient separation of photogenerated electron-hole pairs through Ag3PO4/BiPO4 heterojunction. (C) 2016 Elsevier B.V. All rights reserved.
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