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Spectrochim Acta A Mol Biomol Spectrosc. 2013 Oct;114:74-9. doi: 10.1016/j.saa.2013.05.032. Epub 2013 May 25.

High performance B doped BiVO4 photocatalyst with visible light response by citric acid complex method.

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  • 1College of Environmental and Chemical Engineering, Shenyang Ligong University, Shenyang 110165, China.


A B-doped BiVO4 photocatalyst was synthesized by citric acid complex method and using H3BO3 as the dopant source, and the photocatalyst was characterized with XPS, XRD, SEM, BET and UV-Vis DRS. The photocatalytic activity was evaluated by the photocatalytic degradation of a methyl orange (MO) solution under visible light. This assay revealed that both the pure BiVO4 and all of the B doped samples were the monoclinic phase. Doping the BiVO4 with B increased the number of V(4+) and oxygen vacancies, which led to the red shift of the absorbing boundary of the B-doped BiVO4 but had little influence on the morphology and crystal size. The B doping improved the photocatalytic activity, and the highest photocatalytic degradation rate of 98% occurred with a B dopant concentration of 0.04.

Copyright © 2013 Elsevier B.V. All rights reserved.


BiVO(4); Boron-doping; Methyl orange solution; Photocatalysis; Sol–gel method

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