Microwave hydrothermal fabrication of 3D hierarchical Br/Bi2WO6 with enhanced photocatalytic activity for Rhodamine B and tetracycline degradation

被引：13
|
作者：
Song, Rongrong [1 ]
Chen, Ninghua [2 ]
Han, Biao [2 ]
Yu, Sishan [1 ]
Wang, Yue [1 ]
Liu, Kun [3 ]
Tong, Zhangfa [3 ]
Zhang, Hanbing [1 ]
机构：
[1] Guangxi Univ, Coll Resources Environm & Mat, Nanning 530004, Peoples R China
[2] Sci Res Acad Guangxi Environm Protect, Nanning 530022, Peoples R China
[3] Guangxi Univ, Sch Chem & Chem Engn, Guangxi Key Lab Petrochem Resource Proc & Proc In, Nanning 530004, Peoples R China
来源：
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH | 2021年 / 28卷 / 27期
关键词：
Microwave; Non-metal doping; Br; Bi2WO6; Rhodamine B; Tetracycline;
D O I：
10.1007/s11356-021-13289-8
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
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.
引用
收藏
页码：36434 / 36452
页数：19
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