Korean Journal of Chemical Engineering

, Volume 35, Issue 8, pp 1735–1740 | Cite as

A visible-light-active BiFeO3/ZnS nanocomposite for photocatalytic conversion of greenhouse gases

  • Nasim Bagvand
  • Shahram SharifniaEmail author
  • Elham Karamian
Materials (Organic, Inorganic, Electronic, Thin Films)


Given the changes in environmental conditions in the world, photocatalytic conversion of greenhouse gases is of great interest today. Our aim was to increase the photocatalytic efficiency of BiFeO3/ZnS (p-n heterojunction photocatalyst) by varying the molar ratio of ZnS to perovskite structure of BiFeO3 using hydrothermal synthesis. The results of X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), FT-IR spectroscopy showed the small crystal size and suitable distribution of ZnS particles on the BiFeO3 structure. The results of UV-visible, and photoluminescence (PL) spectroscopy analyses showed the good behavior of p-n heterostructure in absorption of visible light and lowering electron-hole recombination. The best visible light photocatalytic efficiency of CO2 reduction, 24.8%, was obtained by an equimolar ratio of BiFeO3/ZnS.


Photocatalytic Conversion Greenhouse Gases p-n Heterojunction BiFeO3 Perovskite ZnS 


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Copyright information

© Korean Institute of Chemical Engineers, Seoul, Korea 2018

Authors and Affiliations

  • Nasim Bagvand
    • 1
  • Shahram Sharifnia
    • 1
    Email author
  • Elham Karamian
    • 1
  1. 1.Catal. Res. Cen., Chem. Eng. DepartmentRazi UniversityKermanshahIran

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