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The effective photocatalysis and antibacterial properties of AgBr/[email protected] composites under visible light irradiation.

Authors
  • Xu, Huihui1, 2, 3, 4
  • Zhang, Jie1, 2, 4
  • Lv, Xianzi1, 2
  • Niu, Tianjie1
  • Zeng, Yuxiang1
  • Duan, Jizhou1, 2, 4
  • Hou, Baorong1, 2, 4
  • 1 Key Laboratory of Marine Environmental Corrosion and Bio-fouling, Institute of Oceanology, Chinese Academy of Sciences , Qingdao , PR China. , (China)
  • 2 Open Studio for Marine Corrosion and Protection, Pilot National Laboratory for Marine Science and Technology , Qingdao, PR China. , (China)
  • 3 University of Chinese Academy of Sciences , Beijing , PR China. , (China)
  • 4 Center for Ocean Mega-Science, Chinese Academy of Sciences , Qingdao , PR China. , (China)
Type
Published Article
Journal
Biofouling
Publisher
Informa UK (Taylor & Francis)
Publication Date
Aug 01, 2019
Volume
35
Issue
7
Pages
719–731
Identifiers
DOI: 10.1080/08927014.2019.1653453
PMID: 31505979
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

A novel Z-scheme AgBr/[email protected] photocatalyst was fabricated via a hydrothermal process and in situ growth method. X-ray powder diffraction, scanning electron microscopy and transmission electron microscopy were used to determine the structure of the photocatalyst. The results showed that the composites were tightly connected by the (101) lattice plane of ZnO, the (222) plane of Ag2MoO4 and the (200) lattice plane of AgBr. Because of the strong redox activity and good separability of photoelectrons and holes induced by the Z-scheme structure, the photodegradation rate for ciprofloxacin (CIP) solution was 80.5% by the photocatalysis of 0.5 AgBr/[email protected] In addition, more than 99.999% of Escherichia coli, Staphylococcus aureus, and Pseudomonas aeruginosa cells were killed within 60 min. These results demonstrate that AgBr/[email protected] is a promising photocatalyst, which can be used in organic pollutant degradation and the photocatalytic antibacterial area.

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