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Comparison of photocatalytic activity of TiO2 film doped nonuniformly by Mn and Zn
Xu, W; Li, XJ; Zheng, SJ; Wang, JG; Xu, ZK
2005-10-01
发表期刊TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
卷号15期号:5页码:1194-1198
摘要The thin films of TiO2, doped by Mn or Zn with nonuniform distribution, were prepared by sol-gel method under process control. The actinic absorption of the catalyst thin films was evaluated by UV-vis spectrophotometry. And the activity of the photocatalyst was evaluated by photocatalytic degradation kinetics of aqueous methyl orange under UV radiation. The results show that the photocatalytic activity of the TiO2 thin film can be evidently enhanced by Mn non-uniformly doping in the bottom layer and can be decreased by Mn doping in the surface layer. The activity of TiO2 thin film can be evidently enhanced by Zn non-uniform doping in either the bottom or the surface layer. But the activity of TiO2 is less affected by uniformly Zn doping. The different mechanisms for enhanced photocatalytic activity of Mn or Zn non-uniformly doped titanium dioxide film were discussed in terms of the separation of photon-generated carrier in the TiO2 films.
文章类型Article
关键词Tio2 Mn Zn Non-uniform Doping Photocatalysis
WOS标题词Science & Technology ; Technology
研究领域[WOS]Metallurgy & Metallurgical Engineering
关键词[WOS]DEGRADATION ; REDUCTION ; TITANIA ; SYSTEMS
收录类别SCI
语种英语
WOS类目Metallurgy & Metallurgical Engineering
WOS记录号WOS:000233214500042
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10229
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
3.Xin Tianlong Alcohol Co Ltd, Jilin 132000, Peoples R China
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GB/T 7714
Xu, W,Li, XJ,Zheng, SJ,et al. Comparison of photocatalytic activity of TiO2 film doped nonuniformly by Mn and Zn[J]. TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,2005,15(5):1194-1198.
APA Xu, W,Li, XJ,Zheng, SJ,Wang, JG,&Xu, ZK.(2005).Comparison of photocatalytic activity of TiO2 film doped nonuniformly by Mn and Zn.TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,15(5),1194-1198.
MLA Xu, W,et al."Comparison of photocatalytic activity of TiO2 film doped nonuniformly by Mn and Zn".TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA 15.5(2005):1194-1198.
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