journal article·2024-12-15Open access

Synthesis and analysis of bismuth oxychloride and bismuth tungstate using cyclic microwave irradiation method for photocatalytic applications

Faculty of Science, Energy and Environment, King Mongkut’s University of Technology North Bangkok, Rayong Campus, Rayong 21120, Thailand, S. Wannapop, A. Saisata, Faculty of Science, Energy and Environment, King Mongkut’s University of Technology North Bangkok, Rayong Campus, Rayong 21120, Thailand, N. Bamrungpitak, Faculty of Science, Energy and Environment, King Mongkut’s University of Technology North Bangkok, Rayong Campus, Rayong 21120, Thailand, Y. Chuminjak, Energy Storage Technology Research Team (ESTT), Energy Innovation Research Group (EIRG), National Energy Technology Center (ENTEC), National Science and Technology Development Agency (NSTDA), 111 Thailand Science Park, Thanon Phahonyothin, Tambon Khlong Nueng, Amphoe Khlong Luang, Pathum Thani 12120, Thailand, A. Somdee, Faculty of Science, Energy and Environment, King Mongkut’s University of Technology North Bangkok, Rayong Campus, Rayong 21120, Thailand

Abstract

The BiOCl and Bi2WO6 successfully used the cyclic microwave method at 450 W. The structure, morphology, and optical properties were analyzed using X-ray diffraction (XRD), electron microscopy (SEM), transmission electron microscopy (TEM), and UV-visible spectrophotometer. The impact of dye treatment from photocatalytic synthesis, with and without pH adjustment, was also examined. It was discovered that the pH adjustment of the Bi2WO6 photocatalyst improved the treatment of MO dyes to 91% removal after 80 minutes. Additionally, the ability of the photocatalyst to treat other dyes, such as rhodamine B (RhB) and methylene Blue (MB), was evaluated.
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Research context

OpenAlex topics: Advanced Photocatalysis Techniques · Catalytic Processes in Materials Science · Nanomaterials for catalytic reactions

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