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Visible-light-driven photocatalytic inactivation of E. coli K-12 by bismuth vanadate nanotubes: Bactericidal performance and mechanism

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成果类型:
期刊论文
作者:
Wang, Wanjun;Yu, Ying*;An, Taicheng;Li, Guiying;Yip, Ho Yin;...
通讯作者:
Yu, Ying
作者机构:
[Wong, Po Keung; Wang, Wanjun; Yip, Ho Yin] Chinese Univ Hong Kong, Sch Life Sci, Shatin, Hong Kong, Peoples R China.
[Yu, Ying] Cent China Normal Univ, Inst Nanosci & Nanotechnol, Wuhan 430079, Peoples R China.
[Yu, Jimmy C.] Chinese Univ Hong Kong, Dept Chem, Shatin, Hong Kong, Peoples R China.
[An, Taicheng; Li, Guiying] Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Guangdong, Peoples R China.
通讯机构:
[Yu, Ying] C
Cent China Normal Univ, Inst Nanosci & Nanotechnol, Wuhan 430079, Peoples R China.
语种:
英文
期刊:
Environmental Science & Technology
ISSN:
0013-936X
年:
2012
卷:
46
期:
8
页码:
4599-4606
基金类别:
Research Grant Council, Hong Kong SAR GovernmentHong Kong Research Grants Council [GRF 476811]; NSFCNational Natural Science Foundation of China (NSFC) [20973070, 21077104]
机构署名:
本校为通讯机构
院系归属:
物理科学与技术学院
摘要:
Bismuth vanadate nanotube (BV-NT), synthesized by a template-free solvothermal method, was used as an effective visible-light-driven (VLD) photocatalyst for inactivation of Escherichia coli K-12. The mechanism of photocatalytic bacterial inactivation was investigated by employing multiple scavengers combined with a simple partition system. The VLD photocatalytic bacterial inactivation by BV-NT did not allow any bacterial regrowth. The photogenerated h + and reactive oxidative species derived from h +, such as •OH ads, H 2O 2 and •HO 2/•O 2 -...

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