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Photocatalytic activity of TiO2 nanotube layers coated with Ag and Pt
Zhang, J. L.1,2; Yuan, Z. F.1; Xu, B. S.1; Fu, P. F.3; Yuan, ZF
2010-08-01
Source PublicationADVANCES IN APPLIED CERAMICS
ISSN1743-6753
Volume109Issue:6Pages:362-366
AbstractThin films of anatase TiO2 nanotube arrays (TiO2 NTs) were prepared in this study. Pt and Ag were coated on the TiO2 NTs films, which intend to increase the photocatalytic activity under ultraviolet-visible (UV-vis) irradiation. The phase and structure of the films were investigated by X-ray diffraction and scanning electron microscopy. Photocatalytic activity was tested by UV-vis absorption spectroscopy and showed that UV-vis light absorption of the films was remarkably improved by coated Ag and Pt by 72% and 183% respectively. The photocatalytic activities of the films towards degraded methyl orange and HCHO were compared and were all found to follow the sequence Pt/TiO2 NTs. Ag/TiO2 NTs. TiO2 NTs. It was also found that the kinetics of HCHO photocatalytic degradation by the films fits the first order reaction model better and has higher efficiency than that of the methyl orange photocatalytic degradation by the same films.
KeywordTio2 Nts Pt And Ag Deposits Photocatalytic Activity Reaction Constant
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1179/174367510X12677121374348
Indexed BySCI
Language英语
WOS KeywordMODIFIED TITANIUM-DIOXIDE ; THIN-FILMS ; EFFICIENT PHOTODEGRADATION ; RECOMBINATION DYNAMICS ; TA6V ALLOY ; SILVER ; DEGRADATION ; PARTICLES ; PLATINUM ; MEDIA
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Ceramics
WOS IDWOS:000280950600010
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5834
Collection多相复杂系统国家重点实验室
Corresponding AuthorYuan, ZF
Affiliation1.Peking Univ, Dept Energy & Resources Engn, Beijing 100871, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
3.Beijing Union Univ, Dept Environm, Coll Arts & Sci, Beijing 100083, Peoples R China
Recommended Citation
GB/T 7714
Zhang, J. L.,Yuan, Z. F.,Xu, B. S.,et al. Photocatalytic activity of TiO2 nanotube layers coated with Ag and Pt[J]. ADVANCES IN APPLIED CERAMICS,2010,109(6):362-366.
APA Zhang, J. L.,Yuan, Z. F.,Xu, B. S.,Fu, P. F.,&Yuan, ZF.(2010).Photocatalytic activity of TiO2 nanotube layers coated with Ag and Pt.ADVANCES IN APPLIED CERAMICS,109(6),362-366.
MLA Zhang, J. L.,et al."Photocatalytic activity of TiO2 nanotube layers coated with Ag and Pt".ADVANCES IN APPLIED CERAMICS 109.6(2010):362-366.
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