Photocatalytic Activity of Au-TiO<sub>2</sub> Nanofilms by Magnetron Sputtering

Home > Archive>Volume 47, Issue 4, 2018 >1113-1118

Photocatalytic Activity of Au-TiO2 Nanofilms by Magnetron Sputtering
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                        Shaoqi KongShaoqi Kong
College of Mining Engineering,Taiyuan University of Technology,Taiyuan Shanxi
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Xuanmin SongXuanmin Song
College of Mining Engineering,Taiyuan University of Technology,Taiyuan Shanxi
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Chunwang ZhangChunwang Zhang
College of Mining Engineering,Taiyuan University of Technology,Taiyuan Shanxi
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Wei WangWei Wang
College of Mining Engineering,Taiyuan University of Technology,Taiyuan Shanxi
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Guochao YanGuochao Yan
College of Mining Engineering,Taiyuan University of Technology,Taiyuan Shanxi
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Affiliation:College of Mining Engineering,Taiyuan University of Technology,Taiyuan Shanxi,College of Mining Engineering,Taiyuan University of Technology,Taiyuan Shanxi,College of Mining Engineering,Taiyuan University of Technology,Taiyuan Shanxi,College of Mining Engineering,Taiyuan University of Technology,Taiyuan Shanxi,College of Mining Engineering,Taiyuan University of Technology,Taiyuan Shanxi
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Fund Project:Youth Science and Thchnology Research Foundation of Shanxi (20150211)

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Abstract:

The growth of well-aligned Au/TiO2 nanorods arrays by magnetron sputtering is presented for the first time. The feasibility of preparing Au/TiO2 nanorods was demonstrate via a dc reactive magnetron sputtering at room temperature and heat-treatment at 500 oC in air for 2 h. The heat treatment leads to the formation of Au/TiO2 nanorods with Au nanoparticles embedded in the TiO2 nanorods of anatase phase.These Au/TiO2 nanorods showed lower photoluminescence emission intensity and higher absorption and intensive response to the visible light, compared with traditional TiO2 nanofilms fabricated by similar method. The Au nanoparticles in the TiO2 nanorods suppress the charge recombination.

Key words:Au-TiO2 nanoroads; photodegradation; magnetron sputtering; photoluminescence emission intensity

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[Shaoqi Kong, Xuanmin Song, Chunwang Zhang, Wei Wang, Guochao Yan. Photocatalytic Activity of Au-TiO₂ Nanofilms by Magnetron Sputtering[J]. Rare Metal Materials and Engineering,2018,47(4):1113~1118.]
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Received:December 16,2016
Revised:April 26,2017
Adopted:May 15,2017
Online: May 31,2018
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