Effect of pH on phase, morphologies, and photocatalytic properties of BiOCl synthesized by hydrothermal method

  • Prakasit Intaphong
  • Anukorn PhuruangratEmail author
  • Titipun Thongtem
  • Somchai Thongtem


The effect of pH on preparation of visible light–driven BiOCl photocatalysts under different pH values by hydrothermal method was prepared in this research. The as-prepared visible light–driven BiOCl photocatalysts were characterized by X-ray powder diffraction (XRD), Raman spectroscopy, Fourier transform infrared (FTIR) spectrophotometry, scanning electron microscopy (SEM), and X-ray photoelectron spectroscopy (XPS) to characterize the phase, atom vibration, morphologies, and chemical composite of as-synthesized BiOCl samples. The XRD patterns of products revealed the presence of pure tetragonal BiOCl phase in the solutions with the pH of 2–10. The morphologies of BiOCl samples at pH 2–10 were observed by SEM, revealing that the precursor solution pH has a large effect on the final morphologies of BiOCl samples after hydrothermal synthesis. Photocatalytic activities of BiOCl photocatalysts were studied by photodegradation of rhodamine B (RhB) under visible light irradiation. When the precursor solution pH was 8, it was found that BiOCl catalysts exhibited the best photocatalytic activities.


BiOCl Photocatalyst Nanostructure 


Funding information

This research received financial support from the Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand, with the grant no. SCI620121S.


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Copyright information

© Australian Ceramic Society 2019

Authors and Affiliations

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

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