Journal
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
Volume 28, Issue 27, Pages 36434-36452Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s11356-021-13289-8
Keywords
Microwave; Non-metal doping; Br; Bi2WO6; Rhodamine B; Tetracycline
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Funding
- Guangxi Natural Science Foundation [2020GXNSFAA297036]
- Guangxi Special Project of Cultivating Leaders of Academic and Technical Fielding in The New Century, Petrochemical Resources Processing and Process Reinforcement Technology Key Laboratory Project of Guangxi province [2020Z008]
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Br/Bi2WO6 prepared by microwave hydrothermal method displayed superior photocatalytic activity due to increased specific surface area, wide UV-vis light absorption range, and high separation efficiency of photogenerated charge carriers originating from Br doping and microwave heating.
Basing on the unique advantages of uniform and rapid volumetric heating of microwave irradiation, microwave hydrothermal method has been used to fabricate Br/Bi2WO6 for streamlining the preparation procedure and enhancing the photocatalytic activity. The results indicated that Br was successfully introduced into the lattice of Bi2WO6, which improved the absorption ability of visible light. Moreover, Br/Bi2WO6 exhibited smaller size and the enhanced separation efficiency of photogenerated carriers as compared with Bi2WO6. Br/Bi2WO6 exhibited superior reusability and photocatalytic activity of Rhodamine B (RhB) and tetracycline (TC). Furthermore, the enhanced photocatalytic activity of Br/Bi2WO6 was mainly ascribed to the increased specific surface area, wide UV-vis light absorption range, and high separation efficiency of photogenerated charge carriers originating from Br doping and microwave heating.
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