Preparation and Photocatalytic Activity of Cu/BiVO₄ by Solid State Grinding Method for Degradation of Methyl Orange

Abstract:

In this work, novel Cu/BiVO₄ photocatalyst were prepared by a low-temperature solid state grinding method using Bi (NO₃)₃•5H₂O, NH₄VO₃ and Cu (NO₃)₂•2H₂O as raw materials. The structure and properties of the samples were characterized by Infrared Spectroscopy (FT-IR), X-ray diffraction (XRD) and UV-vis diffused reflectance spectroscopy (DRS); Using the degradation of methyl orange (MO) as the probe, it was simulated as the degradation of sewage under the visible light to study the influence of the illumination time and the amount of photocatalysts. Compared with the pure BiVO₄, the visible-light absorption scope of BiVO₄ was broadened by doping Cu, the UV-Visible absorption edges were slightly red shift and the band gap was narrower. Comparatively speaking, the results indicted that the doped Cu enhanced the photocatalytic activities of BiVO₄.

• Periodical: Key Engineering Materials (Volume 703)
• Pages: 321-325
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.703.321
• Online since: August 2016
• Authors: Hai Feng Chen*, Jia Mei Chen, Zhi Xue Pan
• Keywords: BiVO₄, Cu Doped, Photocatalysis, Solid State Grinding Method

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