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Enhanced Photocatalytic Activity of Nano-Bi2WO6 by Tin Doping

Author(s): Xu Chun Song, Huan Zhou, Wan Zhen Huang, Ling Wang, Yi Fan Zheng.

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Abstract:

Sn-doped nano-Bi2WO6 photocatalyst has been synthesized by a hydrothermal route at 180 °C for 12 h. The as-prepared samples were characterized in details by SEM, EDS, XRD and UVvis DRS technologies. The photocatalytic activities of obtained products were determined by photodegradation of Rhodamine B (RhB) under simulated solar light. Experimental results indicated that the tin doping evidently improved the photocatalytic activity of Bi2WO6. The possible reasons for higher photocatalytic efficiency of Sn-doped nano-Bi2WO6 than that of pure Bi2WO6 are mainly ascribed to the addition of Sn ions which could suppress recombination between photogenerated electrons and holes.

Keywords: Doping, nano-Bi2WO6, photocatalytic, .

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Article Details

VOLUME: 11
ISSUE: 5
Year: 2015
Page: [627 - 632]
Pages: 6
DOI: 10.2174/1573413711666150402220704
Price: $58