Promoting LED light driven photocatalytic inactivation of bacteria by novel β-Bi2O3@BiOBr core/shell photocatalyst
作者： Yeping Li , Hao Wang , Liying Huang , Chaobao Wang , Qian Wang
DOI: 10.1016/J.JALLCOM.2019.152665
关键词: Antibacterial activity 、 Bacteria 、 Light driven 、 Photocatalysis 、 Sonication 、 Photochemistry 、 Science, technology and society 、 Magazine 、 Water treatment 、 Chemistry
摘要: A novel β-Bi 2 O 3@ BiOBr core/shell photocatalyst was successfully designed by a facile ultrasonication method. The β-Bi 2 O 3@ BiOBr photocatalyst showed better photocatalytic antibacterial activity than pure β-Bi 2 O 3 and BiOBr under LED light. β-Bi 2 O 3@ BiOBr photocatalyst can completely inactivate Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus) within 50 min. The enhanced photoactivity is due to a hybrid structure of BiOBr and β-Bi 2 O 3, which led to an efficient separation of electron (e−) and hole (h+) pairs …
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