Wang JG(王俊刚); Li XJ(李新军); Zheng SJ(郑少健); He MX(何明兴); Xu W(徐伟)
Source Publicationactachimicasinica
AbstractThe 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.
Document Type期刊论文
First Author AffilicationGuangZhou 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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