GIEC OpenIR
comparisonofphotocatalyticactivityoftio2filmdopednonuniformlybymnandzn
Xu Wei1; Li Xinjun1; Zheng Shaojian1; Wang Jungang1; Xu Zhongkui2
2005
Source Publicationtransactionsofnonferrousmetalssocietyofchina
ISSN1003-6326
Volume15Issue:5Pages:1194
AbstractThe 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.
Language英语
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/21398
Collection中国科学院广州能源研究所
Affiliation1.中国科学院广州能源研究所
2.Xin Tianlong Alcohol Co Ltd
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Xu Wei,Li Xinjun,Zheng Shaojian,et al. comparisonofphotocatalyticactivityoftio2filmdopednonuniformlybymnandzn[J]. transactionsofnonferrousmetalssocietyofchina,2005,15(5):1194.
APA Xu Wei,Li Xinjun,Zheng Shaojian,Wang Jungang,&Xu Zhongkui.(2005).comparisonofphotocatalyticactivityoftio2filmdopednonuniformlybymnandzn.transactionsofnonferrousmetalssocietyofchina,15(5),1194.
MLA Xu Wei,et al."comparisonofphotocatalyticactivityoftio2filmdopednonuniformlybymnandzn".transactionsofnonferrousmetalssocietyofchina 15.5(2005):1194.
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