Synthesis of Monoclinic scheelite BiVO4 by Simple Precipitation Method and Photocatalytic Performance under Visible-light Irradiation

DOI

10.2991/icmse-16.2016.3How to use a DOI?

Keywords

BiVO4, precipitation method, photocatalysis, Acid Black 10B

Abstract

Visible-light responsive photocatalyst BiVO4 were synthesized by simple precipitation method, following by calcination process. The phase structure, morphology, specific surface area and optical absorption properties of as-synthesized BiVO4 were characterized by XRD, SEM, BET, UV-Vis DRS and FTIR, respectively. Acid Black 10B was used as simulated dye wastewater to investigate the photocatalytic activity of BiVO4. The results indicate that the samples obtained under different calcination temperature are all monoclinic phase BiVO4. The band gap energy of BiVO4 calcined at 500 øC, 600 øC, 700 øC are 2.50 eV, 2.45 eV and 2.37 eV, respectively. BiVO4 calcinated at 500 øC or 600 øC show excellent photocatalytic activity, and the particles are spherical-like in shape. When the concerntration of dye is 20 mg/L, the dosage of BiVO4 is 200 mg/50 mL, visible light is used as irradiation source and reaction time is 60 min, the degradation rate of the dye can reach to about 100%. The degradation process can be considered as the first-order reaction kinetics.

Copyright

© 2016, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Yong-Qing Zhai
AU  - Yan-Jie Yin
AU  - Wan Zhang
AU  - Cong-Cong Liu
AU  - Xiao Liu
PY  - 2016/12
DA  - 2016/12
TI  - Synthesis of Monoclinic scheelite BiVO4 by Simple Precipitation Method and Photocatalytic Performance under Visible-light Irradiation
BT  - Proceedings of the 4th 2016 International Conference on Material Science and Engineering (ICMSE 2016)
PB  - Atlantis Press
SP  - 14
EP  - 19
SN  - 2352-5401
UR  - https://doi.org/10.2991/icmse-16.2016.3
DO  - 10.2991/icmse-16.2016.3
ID  - Zhai2016/12
ER  -