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Photocatalytic oxidation activity of titanium dioxide film enhanced by Mn non-unifonn doping
Zhang, Kai-jian; Xu, Wei; Li, Xin-jun; Zheng, Shao-jian; Xu, Gang; Wang, Jian-hua
2006-10-01
发表期刊TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
卷号16期号:5页码:1069-1075
摘要The thin films of TiO2 doped by Mn non-uniformly were prepared by sol-gel method under process control. Each film was characterized by XPS, SEM, UV-vis spectrophotometry and electrochemistry workstation analysis. The activity of the photocatalyst was evaluated by the kinetics of photocatalytic degradation of aqueous methyl orange under the UV radiation. The results show that Mn non-uniform doping evidently enhances the photocatalytic activity of TiO2 thin film. In 80 min, the degradation rates of aqueous methyl orange are 62%, 12% and 34% for Mn non-uniformly doped film (0.7%), the uniformly doped film (0.7%) and pure titanium dioxide film, respectively. The characteristic of PN junction in the film was proved by electrochemical characterization. A mechanism for enhanced photocatalytic activity of Mn non-uniformly doped titanium dioxide film was discussed based on the effective separation of the photon-generated carrier because of the existence of the PN junction.
文章类型Article
关键词Photocatalyst Tio2 Mn Non-uniform Doping Film
WOS标题词Science & Technology ; Technology
研究领域[WOS]Metallurgy & Metallurgical Engineering
关键词[WOS]TIO2 ; DEGRADATION ; PROPERTY ; BEHAVIOR ; SYSTEMS ; ACID
收录类别SCI
语种英语
WOS类目Metallurgy & Metallurgical Engineering
WOS记录号WOS:000241982300015
引用统计
被引频次:12[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/344007/10264
专题中国科学院广州能源研究所
作者单位1.Chongqing Univ, Coll Econ Ind & Business Management, Chongqing 400044, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China
3.Panzhihua Iron & Steel Ltd Co, Panzhihua Iron & Steel Res Inst, Panzhihua 617000, Peoples R China
4.719 Res Inst China Shipbldg Ind Corp, Wuhan 430064, Peoples R China
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Zhang, Kai-jian,Xu, Wei,Li, Xin-jun,et al. Photocatalytic oxidation activity of titanium dioxide film enhanced by Mn non-unifonn doping[J]. TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,2006,16(5):1069-1075.
APA Zhang, Kai-jian,Xu, Wei,Li, Xin-jun,Zheng, Shao-jian,Xu, Gang,&Wang, Jian-hua.(2006).Photocatalytic oxidation activity of titanium dioxide film enhanced by Mn non-unifonn doping.TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,16(5),1069-1075.
MLA Zhang, Kai-jian,et al."Photocatalytic oxidation activity of titanium dioxide film enhanced by Mn non-unifonn doping".TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA 16.5(2006):1069-1075.
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