Synthesis of nickel-doped BiVO4 materials by hydrothermal method and evaluation of their photocatalytic ability to decompose methylene blue under visible light

Van Thinh Pham, Bach Tuyet T. Dao, Thi Kim Ngan Tran, Ngoc Quyen Tran, Long Giang Bach
Author affiliations


  • Van Thinh Pham Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Ha Noi, Viet Nam
  • Bach Tuyet T. Dao Faculty of Chemical Technology, Ho Chi Minh City University of Food Industry, 140 Le Trong Tan, Tan Phu District, Ho Chi Minh City, Viet Nam
  • Thi Kim Ngan Tran Institute of Applied Technology and Sustainable Development, Nguyen Tat Thanh University, Ho Chi Minh City, Viet Nam
  • Ngoc Quyen Tran Institute of Applied Materials Science, Vietnam Academy of Science and Technology, Ho Chi Minh City, Viet Nam
  • Long Giang Bach Institute of Applied Technology and Sustainable Development, Nguyen Tat Thanh University, Ho Chi Minh City, Viet Nam



BiVO4, photocatalytic, methylene blue, , hydrothermal


Ni-doped BiVO4 photocatalysts were successfully synthesized by hydrothermal method. The catalytic samples were characterized by scanning electron microscopy (SEM), UV-vis diffuse reflection spectroscopy (DRS), photoluminescence spectroscopy (PL) and X-ray diffraction (XRD). Based on the results of PL spectrum analysis, the electron-hole recombination phenomenon is limited by the presence of the second metal Ni in the structure at Bi3+ sites. The catalyst materials at the Ni doping ratios all have the monoclinic-scheelite BiVO4 structure as shown by the XRD and Raman methods. The photocatalytic ability of methyl blue (MB) on the Ni/BiVO4 catalyst was studied under visible light irradiation in order to contribute to reducing the current environmental pollution problem. The removal efficiency of MB varies with the doping ratio of Ni/BiVO4, reaching the highest decomposition efficiency of 84.77 % in the 5 % mol Ni sample, which is 30 % higher than that of the BiVO4 sample. The BiVO4 material modified with Ni giving a high photocatalytic efficiency of organic pigment decomposition under visible light indicates the potential improvement inthe efficiency of a material for existing applications and exploit many new applications in the future.


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How to Cite

V. T. Pham, B. T. T. Dao, T. K. N. Tran, N. Q. Tran, and L. G. Bach, “Synthesis of nickel-doped BiVO4 materials by hydrothermal method and evaluation of their photocatalytic ability to decompose methylene blue under visible light”, Vietnam J. Sci. Technol., vol. 62, no. 3, pp. 577–587, Mar. 2024.



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