Study of photocatalytic activity in sputter-deposited Cr-TiO2 thin film

被引:17
作者
Biswas, S. [1 ]
Hossain, M. F. [1 ]
Takahashi, T. [1 ]
Kubota, Y. [2 ]
Fujishima, A. [3 ]
机构
[1] Toyama Univ, Grad Sch Sci & Engn Res, Toyama 9308555, Japan
[2] Yokohama City Univ, Grad Sch Med, Dept Urol & Mol Sci, Kanazawa Ku, Kanagawa 2360004, Japan
[3] Kanagawa Acad Sci & Technol, Takatsu Ku, Kanagawa 2130012, Japan
来源
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2008年 / 205卷 / 08期
关键词
D O I
10.1002/pssa.200778893
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In this investigation, Cr-doped TiO2 thin films were prepared on glass substrate with various doping concentrations to study the photocatalytic activity in UV-visible light irradiation. The Cr-doped TiO2 thin films were prepared by reactive magnetron sputtering using various sputtering pressures to control the Cr doping concentration. The optical property red-shift of transmittance edge and decrease of average transmittance with the increase of Cr doping. The photocatalytic activity, evaluated by the measurement of decomposition of methanol under visible and UV-visible light irradiation, increases for the low Cr doping concentration, but decreases for higher Cr doping concentrations. (c) 2008 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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页码:2023 / 2027
页数:5
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