Crystals (Nov 2018)

Fabrication of Novel ZIF-8@BiVO<sub>4</sub> Composite with Enhanced Photocatalytic Performance

  • Yun-hui Si,
  • Ya-yun Li,
  • Yu Xia,
  • Shao-ke Shang,
  • Xin-bo Xiong,
  • Xie-rong Zeng,
  • Ji Zhou

DOI
https://doi.org/10.3390/cryst8110432
Journal volume & issue
Vol. 8, no. 11
p. 432

Abstract

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In this work, a novel metal-organic framework (MOF) and BiVO4 (BVO) composite photocatalyst was successfully synthesized by an in-situ growth method. The characterization of obtained samples was done by X-ray diffraction, scanning electron microscopy, energy dispersive spectroscopy, N2 adsorption, and photoluminescence spectroscopy. The photocatalytic performance of ZIF-8@BiVO4 composite was evaluated by the degradation of methylene blue (MB) under simulated visible light irradiation. Compared with the mixture of BVO and ZIF-8, the composite photocatalyst exhibited superior photodegradation efficiency, which could be attributed to the synergistic effect between BVO and ZIF-8. The reduced recombination of photogenerated electrons and holes was considered to be an important reason for the enhancement of photocatalytic performance. This design demonstrates a rational method to improve the photocatalytic performance by combining photocatalysts with MOFs.

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