Photoelectrocatalytic Inactivation of <i>E. coli</i> by ZnSe/CdS Co-sensitized TiO<sub>2</sub> Nanotube Array

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  • ZOU Jianmei
    State Key Lab of Chemo/Biosensing & Chemometrics, College of Chemistry & Chemical Engineering, Hunan University
  • NGUYEN VanManh
    State Key Lab of Chemo/Biosensing & Chemometrics, College of Chemistry & Chemical Engineering, Hunan University Faculty of Chemical Technology, Hanoi University of Industry
  • YIN Xuehua
    State Key Lab of Chemo/Biosensing & Chemometrics, College of Chemistry & Chemical Engineering, Hunan University
  • WU Zeming
    State Key Lab of Chemo/Biosensing & Chemometrics, College of Chemistry & Chemical Engineering, Hunan University
  • CAI Qingyun
    State Key Lab of Chemo/Biosensing & Chemometrics, College of Chemistry & Chemical Engineering, Hunan University

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  • Photoelectrocatalytic Inactivation of E. coli by ZnSe/CdS Co-sensitized TiO₂ Nanotube Array

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Abstract

A step-wise structural ZnSe/CdS co-sensitized TiO2 nanotube (NT) electrode was prepared by pulse-electrodeposition and successive ionic layer adsorption and reaction (SILAR), with an aim towards enhancing the absorption efficiency of TiO2 NTs in visible light region and enhancing the photo-electrical transform efficiency. The as-prepared CdS/ZnSe/TiO2 NTs were applied to the photoelectrocatalytic inactivation of E. coli. A complete inactivation of 3.0 × 108 cfu mL−1 E. coli was observed after 60 min of photoelectrocatalysis process under the illumination of visble light.

Journal

  • Analytical Sciences

    Analytical Sciences 32 (6), 607-610, 2016

    The Japan Society for Analytical Chemistry

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