Abstract
Photocatalysis (PC) wastewater treatment has received significant attention in recent years due to its potential applications in purified water, environmental remediation, degradation of organic pollutants in wastewater, and water splitting. In this research, a simple hydrothermal method was used to synthesize tungsten-doped bismuth vanadate (W-doped BiVO4) photocatalyst with dopant concentrations of 0, 0.5, 1.0, 2.0, and 3.0 wt%. Ethanol-dissolved bismuth vanadate and tetrahydrofuran-dissolved tungsten hexacarbonyl were used as precursors. The 1.0 wt% W-doped BiVO4 had a specific surface area (SSA) of 18 m2/g, and the optical energy band gap was determined to be 2.30 eV using UV–visible measurements. The photocatalytic efficacy of W-doped BiVO4 was evaluated by assessing the degradation of Rhodamine-B (Rh-B) in aqueous solutions under visible (400–800 nm) irradiation, with the photocatalytic activity measured as a function of tungsten concentration. The maximum photoactivity for the degradation of Rh-B was observed in W-doped BiVO4 at 1.0 wt% with a large specific surface area, which may be attributed to the incorporation of W into the BiVO4 crystal lattice and changes in surface characteristics. This study presents a novel platform for developing and manufacturing photocatalytic materials that enhance charge separation and fast transfer for highly effective water treatments.
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Data sets generated during the current study are available from the corresponding author on reasonable request.
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Acknowledgements
The authors are thankful to financially supported by the State Scholarship Fund of China Scholarship Council (No. 201808410144), the National Natural Science Foundation of China (No. 51202107), and the Foundation of Henan Educational Committee (No. 20A480003).
Funding
Funding was supported by Foundation of Henan Educational Committee, 20A480003, State Scholarship Fund of China Scholarship Council (No. 201808410144), the National Natural Science Foundation of China (No. 51202107), and the Foundation of Henan Educational Committee (No. 20A480003).
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MMS: Methodology, Material Experiments, Writing-Original draft preparation, photocatalysis data Analysis, Investigation; and Resource Management; HA: Material Characterization, Data Analysis, Editing, Validation and Reviewing; HZ: Materials Characterization, Reviewing, Editing.
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Sajid, M.M., Assaedi, H. & Zhai, H. Tungsten doping effect on bismuth vanadate (W-doped BiVO4) under visible-light irradiation for photocatalysis. J Mater Sci: Mater Electron 35, 502 (2024). https://doi.org/10.1007/s10854-024-12257-5
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DOI: https://doi.org/10.1007/s10854-024-12257-5