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Mechanism for enhanced photocatalytic activity of titanium dioxide film doped by Mn under control
Xu, W; Li, XJ; Zheng, SJ; Wang, JG
2005-12-10
Source PublicationCHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
Volume26Issue:12Pages:2297-2301
AbstractThe thin films of TiO(2), doped by Mn with different doping modes, were prepared by sol-gel method under process control. The structure of the films was characterized by XPS and SEM. The thin films were evaluated by UV-Vis spectrophotometer and electrochemical workstation. And the activity of the photocatalyst was evaluated by photocatalytic degradation of aqueous methyl orange under UV radiation. The results show that the photocatalytic activity of TiO(2), thin film can be evidently enhanced by MT doping mode with the optimal dopant mass fraction of 0.80%, on the contrary, decreased by MM doping mode. The characteristic of capacitance-tension characteristic of p-n junction in the film was proved by electrochemical characterization. A mechanism for enhanced photocatalytic activity of titanium dioxide film doped by MT mode was discussed in terms of semiconductor p-n junction theory.
SubtypeArticle
KeywordPhotocatalyst Tio(2) Mn Doping Under Control
WOS HeadingsScience & Technology ; Physical Sciences
WOS Subject ExtendedChemistry
WOS KeywordTIO2 NANOPARTICLES ; METAL
Indexed BySCI
Language英语
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000234089400024
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10237
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Xu, W,Li, XJ,Zheng, SJ,et al. Mechanism for enhanced photocatalytic activity of titanium dioxide film doped by Mn under control[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2005,26(12):2297-2301.
APA Xu, W,Li, XJ,Zheng, SJ,&Wang, JG.(2005).Mechanism for enhanced photocatalytic activity of titanium dioxide film doped by Mn under control.CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,26(12),2297-2301.
MLA Xu, W,et al."Mechanism for enhanced photocatalytic activity of titanium dioxide film doped by Mn under control".CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE 26.12(2005):2297-2301.
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