First-Principle Study on the Photocatalystic Properties of Tungsten Doped Monoclinic BiVO4 Crystallites

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In this paper, the photocatalytic properties of W-doped monoclinic BiVO4 were studied by CASTEP of MS-5.5 software under PWPP based on density function theory (DFT). The results showed that the band gap narrowed and the absorption edge red shifted after 5d atomic orbit of W mixing into the valence band of BiVO4 crystallites, which could effectively improve the photocatalytic activity of BiVO4 crystallites. The calculated results also implied that the photocatalytic properties of monoclinic BiVO4 crystallites could be improved by doping the transition metal with 5d4 orbital.

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845-849

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December 2013

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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