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Volume 28 Issue 2
Jun.  2022
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QIN Yu-jiao, JIANG Qi-rui, ZHANG Zhi-zhi, WANG Lin-xia. Synthesis of BiVO4 by pH-Controlled Hydrothermal Method and Visible-Light Catalytic Degradation of Methyl Orange[J]. Analysis and Testing Technology and Instruments, 2022, 28(2): 139-143. doi: 10.16495/j.1006-3757.2022.02.005
Citation: QIN Yu-jiao, JIANG Qi-rui, ZHANG Zhi-zhi, WANG Lin-xia. Synthesis of BiVO4 by pH-Controlled Hydrothermal Method and Visible-Light Catalytic Degradation of Methyl Orange[J]. Analysis and Testing Technology and Instruments, 2022, 28(2): 139-143. doi: 10.16495/j.1006-3757.2022.02.005

Synthesis of BiVO4 by pH-Controlled Hydrothermal Method and Visible-Light Catalytic Degradation of Methyl Orange

doi: 10.16495/j.1006-3757.2022.02.005
  • Received Date: 2022-05-20
  • Rev Recd Date: 2022-05-30
  • Publish Date: 2022-06-30
  • Bismuth vanadate (BiVO4) was synthesized by a hydrothermal method with bismuth nitrate as the Bi source and ammonium metavanadate as the V source, and sodium acetate (NaAc) was used to adjust the pH. The structure and morphology of the product were analyzed by X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The photocatalytic performance of BiVO4 on methyl orange (MO) was investigated under visible-light. The results showed that BiVO4, synthesized at a pH value of 6.0, had a better photocatalytic performance. The degradation rate of MO reached 98.4% after 5 h, and the degradation rate of MO still maintained at over 95% after five cycles. Due to the excellent photocatalytic activity and stability of BiVO4, BiVO4 has a potential application in wastewater treatment.
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