Sol–gel synthesis of Au/N–TiO2 composite for photocatalytic reduction of Cr(vi)

Sol–gel synthesis of Au/N–TiO2 composite for photocatalytic reduction of Cr(vi)

Au/N–TiO2 composites are successfully synthesized via a modified sol–gel method and their photocatalytic performance in reduction of Cr(VI) is investigated. Au/N–TiO2 composites exhibit an enhanced photocatalytic performance in the reduction of Cr(VI) with a maximum reduction rate of 90% under visib...

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Bibliographic Details
Main Authors: Liu, Xinjuan, Pan, Likun, Lv, Tian, Sun, Zhuo, Sun, Changqing
Other Authors: School of Electrical and Electronic Engineering
Format: Article
Language:English
Published: 2013
Subjects:
DRNTU::Engineering::Electrical and electronic engineering
Online Access:https://hdl.handle.net/10356/97208
http://hdl.handle.net/10220/10419
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Institution: Nanyang Technological University
Language: English
Description
Summary:Au/N–TiO2 composites are successfully synthesized via a modified sol–gel method and their photocatalytic performance in reduction of Cr(VI) is investigated. Au/N–TiO2 composites exhibit an enhanced photocatalytic performance in the reduction of Cr(VI) with a maximum reduction rate of 90% under visible light irradiation as compared with pure TiO2 (34%) and N–TiO2 (80%) due to the increase of light absorption intensity and range as well as the reduction of electron–hole pair recombination in TiO2 with the incorporation of N and Au.

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