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논문 기본 정보

자료유형
학술저널
저자정보
Bing Jia (Guangxi University) Lieshan Wu (Guangxi University) Jing Zhang (Guangxi Zhuang Autonomous Region Environmental Emergency and Accident Investigation Center) Jingjing Luo (Guangxi University) Dan Liu (Guangxi University) Yizhong Chen (Guangxi University) Xiaowei Lu (Guangxi University) Yalin Zeng (Guangxi University)
저널정보
대한환경공학회 Environmental Engineering Research Environmental Engineering Research 제29권 제6호
발행연도
2024.12
수록면
227 - 241 (15page)

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초록· 키워드

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In this work, ytterbium (Yb) doped Bi₂WO<SUB>6</SUB> composite (Yb/ Bi₂WO<SUB>6</SUB>) was prepared using a one-step hydrothermal method. The investigation focused on the photocatalytic degradation effect of Yb/Bi₂WO<SUB>6</SUB> on ofloxacin in water, with experimental conditions carefully controlled. The results revealed that under various conditions, Yb/Bi₂WO<SUB>6</SUB> exhibited excellent photocatalytic degradation performance for ofloxacin, achieving a degradation rate of 98.74% within 180 min and 93.27% after 4 cycles. These findings demonstrated that Yb/Bi₂WO<SUB>6</SUB> possessed good photocatalytic performance and cycling stability. The characterization results highlighted that the doping of Yb altered the morphology of Bi₂WO<SUB>6</SUB>, narrowed the band gap, reduced photogenerated electron-hole recombination, and enhanced the photocatalytic performance of Yb/Bi₂WO<SUB>6</SUB>. The free radical quenching experiments showed that superoxide radicals (・O₂<SUP>-</SUP>) played a crucial role in the photocatalytic degradation of ofloxacin by Yb/Bi₂WO<SUB>6</SUB>. Overall, this work provides new insights and theoretical support for the photocatalytic degradation of antibiotics using modified bismuth-based materials doped with rare earth elements.

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ABSTRACT
1. Introduction
2. Experimental Section
3. Results and Discussion
4. Conclusions
References

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