ICCAS OpenIR
Photocatalytic activity of TiO2 films grown on different substrates
Ma, Y; Qiu, JB; Cao, YA; Guan, ZS; Yao, JN
2001-08-01
Source PublicationCHEMOSPHERE
ISSN0045-6535
Volume44Issue:5Pages:1087-1092
AbstractTitanium dioxide films were prepared on glass, indium-tin oxide (ITO) glass and p-type monocrystalline silicon and studied for the photocatalytic degradation of rhodamine B in an aqueous medium. Raman, AFM, and XPS spectroscopic investigations of these films indicated that microstructure of titanium oxide films were greatly affected by the substrate materials. Rutile was confirmed to be easily formed on the surface of ITO glass, and TiO2 tended to grow as closely packed particles that were elongated strips with an average size of 20 run, and had lovely contrast with the perfectly round particles grown on p-type monocrystalline silicon. Charge transfer between the film and silicon substrate was verified by surface photovoltage spectra. This may be the real reason why the films grown on ITO glass and silicon substrates exhibit higher photocatalytic reactivity than the film on glass substrate. Moreover, the different surface properties also seem to be responsible for the different activity. (C) 2001 Elsevier Science Ltd. All rights reserved.
KeywordPhotocatalysis Rhodamine b Surface Properties Surface Photovoltage Spectra Charge Transfer
Indexed BySCI
Language英语
WOS IDWOS:000170405300024
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:83[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/77580
Collection中国科学院化学研究所
Corresponding AuthorYao, JN
AffiliationChinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Ma, Y,Qiu, JB,Cao, YA,et al. Photocatalytic activity of TiO2 films grown on different substrates[J]. CHEMOSPHERE,2001,44(5):1087-1092.
APA Ma, Y,Qiu, JB,Cao, YA,Guan, ZS,&Yao, JN.(2001).Photocatalytic activity of TiO2 films grown on different substrates.CHEMOSPHERE,44(5),1087-1092.
MLA Ma, Y,et al."Photocatalytic activity of TiO2 films grown on different substrates".CHEMOSPHERE 44.5(2001):1087-1092.
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