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Journal of the Australian Ceramic Society

, Volume 55, Issue 1, pp 57–63 | Cite as

Precipitation–deposition synthesis, characterization, and visible light-driven photocatalytic properties of heterostructure AgI/Bi2WO6 nanocomposites

  • Anukorn PhuruangratEmail author
  • Sittikorn Jonjana
  • Somchai Thongtem
  • Titipun Thongtem
Research
  • 51 Downloads

Abstract

AgI nanoparticle-modified Bi2WO6 nanoplates were prepared by a precipitation–deposition method. X-ray diffraction and transmission electron microscopy certified the formation of hexagonal AgI nanoparticles with the size of 5–8 nm as minor phase well supported on orthorhombic Bi2WO6 nanoplates as major phase. The photocatalytic properties of heterostructure AgI/Bi2WO6 nanocomposites were investigated through photodegradation of rhodamine B (RhB) induced by xenon visible light. The 10 wt% AgI/Bi2WO6 nanocomposites exhibited the highest photocatalytic activity because of the recombination rate reduction of photoexcited electrons and photogenerated holes during photocatalysis. A possible photodegradation mechanism of RhB by AgI/Bi2WO6 nanocomposites was proposed and discussed in this research.

Keywords

AgI/Bi2WO6 nanocomposites X-ray diffraction Transmission electron microscopy Photocatalysis 

Notes

Funding information

We are extremely grateful to Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand, for financial support (the contact SCI610022S).

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Copyright information

© Australian Ceramic Society 2018

Authors and Affiliations

  • Anukorn Phuruangrat
    • 1
    Email author
  • Sittikorn Jonjana
    • 1
  • Somchai Thongtem
    • 2
    • 3
  • Titipun Thongtem
    • 3
    • 4
  1. 1.Department of Materials Science and Technology, Faculty of SciencePrince of Songkla UniversityHat YaiThailand
  2. 2.Department of Physics and Materials Science, Faculty of ScienceChiang Mai UniversityChiang MaiThailand
  3. 3.Materials Science Research Center, Faculty of ScienceChiang Mai UniversityChiang MaiThailand
  4. 4.Department of Chemistry, Faculty of ScienceChiang Mai UniversityChiang MaiThailand

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