photocatalyticactivityoftio2thinfilmdopedbyptwithdifferentdistribution

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	photocatalyticactivityoftio2thinfilmdopedbyptwithdifferentdistribution
	Wang JG(王俊刚); Li XJ(李新军); Zheng SJ(郑少健); He MX(何明兴); Xu W(徐伟)
	2005
Source Publication	actachimicasinica
ISSN	0567-7351
Volume	63 Issue:7 Pages:592
Abstract	The thin films of TiO2 doped by Pt with different distribution were prepared by sol-gel method. The photocatalyst film was characterized by UV-vis spectrophotometer and electrochemical workstation. The activity of photocatalyst was evaluated by photocatalytic degradation of aqueous methyl orange under UV radiation. The results show that the photocatalytic activity of TiO2 thin film could be evidently enhanced by Pt doping with non-uniform distribution. And the optimal dopant amount was 0.3 mol%. The higher open circuit potential, the less electrochemical impedance, and the better activity of the TiO2 doped non-uniformly by Pt, which demonstrated that the charge of hole and electron has been effectively separated. The photocatalytic activity mechanism of TiO2 non-uniformly doped by Pt was discussed by semiconductor PN junction theory.
Language	英语
Document Type	期刊论文
Identifier	http://ir.giec.ac.cn/handle/344007/21272
Collection	中国科学院广州能源研究所
Affiliation	中国科学院广州能源研究所
First Author Affilication	GuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation GB/T 7714	Wang JG,Li XJ,Zheng SJ,et al. photocatalyticactivityoftio2thinfilmdopedbyptwithdifferentdistribution[J]. actachimicasinica,2005,63(7):592.
APA	王俊刚,李新军,郑少健,何明兴,&徐伟.(2005).photocatalyticactivityoftio2thinfilmdopedbyptwithdifferentdistribution.actachimicasinica,63(7),592.
MLA	王俊刚,et al."photocatalyticactivityoftio2thinfilmdopedbyptwithdifferentdistribution".actachimicasinica 63.7(2005):592.

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