Abstract
A facile hydrothermal technique was used to synthesize a cerium-substituted Bi2WO6 microsphere for efficient photocatalytic degradation of chloramphenicol (CPL) and rhodamine B (RhB) contaminants. The catalysts were thoroughly characterized using sophisticated instruments and the photocatalytic degradation efficiency of the cerium-substituted Bi2WO6 photocatalyst was up to 93.95% for CPL degradation and 97.5% for RhB degradation within 150 min of light illumination. The increased efficiency is mostly due to the effective suppression of photoinduced electron and hole recombination through the development of an intermediate energy state. The photocatalyst demonstrated outstanding stability after five consecutive cycle studies for both CPL and RhB degradation under identical conditions. According to the results of the recycling and scavenging studies, the catalysts with the highest stability and primary radicals were identified as holes. The probable photocatalytic degradation process was postulated based on the experimental results of the catalysts.
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The datasets used and analyzed during the current study are available from the corresponding author upon reasonable request.
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Acknowledgements
The authors would like to express their appreciation to the Deanship of Scientific Research at King Khalid University for the financial support through the research groups program under grant number R.G.P/2/443/44.
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Funding was provided by Deanship of Scientific Research, King Khalid University (R.G.P/2/443/44).
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P. Rajkumar: Conceptualization, Methodology, Data curation, Writing – original draft; D. Senthil Kumar: Investigation, Writing & editing; R. Suja: Methodology, Data curation, Investigation, Validation; Vasudeva Reddy Minnam Reddy: Investigation, Data curation; Woo Kyoung Kim: Investigation, Data curation; Farhat S. Khan: Methodology, Data curation, Formal analysis, Funding acquisition; Mohd Shkir: Methodology, Data curation, Formal analysis, Funding acquisition;
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Rajkumar, P., Kumar, D.S., Suja, R. et al. Cerium-substituted hierarchical Bi2WO6 microspheres for the effective removal of chloramphenicol and rhodamine B dye through photocatalysis. J Mater Sci: Mater Electron 35, 834 (2024). https://doi.org/10.1007/s10854-024-12577-6
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DOI: https://doi.org/10.1007/s10854-024-12577-6