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Visible light photocatalytic disinfection of bacteria by Cd–TiO2

Paper ID Volume ID Publish Year Pages File Format Full-Text
50814 46815 2011 4 PDF Available
Title
Visible light photocatalytic disinfection of bacteria by Cd–TiO2
Abstract

Nanocrystalline 2% Cd-doped TiO2 was obtained by the sol–gel method, sintered at 500 °C and characterized by X-ray diffraction, high resolution scanning electron microscopy, and energy dispersive, UV–visible diffuse reflectance, photoluminescence and electrochemical impedance spectroscopies. Doping reduces the average crystal size, shifts the optical absorption edge to the visible region, decreases the charge-transfer resistance and enhances the capacitance. With visible light, 2% Cd–TiO2 acts as an effective photocatalyst to disinfect E. coli.

Graphical AbstractFigure optionsDownload full-size imageDownload as PowerPoint slideResearch Highlights►Doping TiO2 with Cd reduces crystal size and shifts optical edge to the visible region ►Cd-doping of TiO2 by the sol–gel method decreases charge-transfer resistance ►Nanocrystalline Cd–TiO2 effectively catalyzes bacteria disinfection under visible light

Keywords
Photodisinfection; E. coli; CdO–TiO2; Sol–gel method
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 12, Issue 9, 30 April 2011, Pages 826–829
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us