N-type Cu2O Film for Photocatalytic and Photoelectrocatalytic Processes: Its stability and Inactivation of E. coli

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成果类型：

期刊论文

作者：

Xiong, Liangbin;Ng, Tsz Wai;Yu, Ying*;Xia, Dehua;Yip, Ho Yin;...

通讯作者：

Yu, Ying

作者机构：

[Xia, Dehua; Xiong, Liangbin; Wong, Po Keung; Ng, Tsz Wai; Yip, Ho Yin] Hubei Engn Univ, Sch Phys & Elect Informat Engn, Xiaogan 432100, Peoples R China.

[Xiong, Liangbin] Chinese Univ Hong Kong, Sch Life Sci, Shatin, Hong Kong, Peoples R China.

[Yu, Ying] Cent China Normal Univ, Inst Nanosci & Nanotechnol, Coll Phys Sci & Technol, Wuhan 430079, Peoples R China.

[An, Taicheng; Li, Guiying] Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Guangdong, Peoples R China.

[Zhao, Huijun] Griffith Univ, Ctr Clean Environm & Energy, Nathan, Qld 4222, Australia.

通讯机构：

[Yu, Ying] C

Cent China Normal Univ, Inst Nanosci & Nanotechnol, Coll Phys Sci & Technol, Wuhan 430079, Peoples R China.

语种：

英文

关键词：

Cu2O;photoelectrocatalytic inactivation;charge transfer;Escherichia coli;reactive oxygen species;membrane-separated reactor

期刊：

Electrochimica Acta

ISSN：

0013-4686

年：

2015

卷：

153

页码：

583-593

DOI：

10.1016/j.electacta.2014.11.169

基金类别：

Research Grants Council of the Hong Kong SAR GovernmentHong Kong Research Grants Council [GRF 477610, GRF 476811]; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [21377044]; CAS/SAFEA International Partnership Program for Creative Research Teams of Chinese Academy of Sciences, China

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：

Photoelectrocatalytic (PEC) inactivation of Escherichia coli K-12 by cuprous oxide (Cu2O) film irradiated by visible light is firstly reported. A complete inactivation of about 7 log of E. coli was obtained for Cu2O film within 6 h. The bacterial inactivation efficiency was significantly improved in a photoelectrochemical cell, in which 7 log of E. coli could be completely inactivated within 2 h by Cu2O film with a 0.1 V bias. Electric charge transfer between electrodes and E. coli, and electric charge inactivation towards E. coli were investigated using membrane-separated reactor combined wit...

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N-type Cu2O Film for Photocatalytic and Photoelectrocatalytic Processes: Its stability and Inactivation of E. coli

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