ICCAS OpenIR
Enhanced photocatalytic performance of nanosized coupled ZnO/SnO2 photocatalysts for methyl orange degradation
Cun, W; Wang, XM; Xu, BQ; Zhao, JC; Mai, BX; Peng, P; Sheng, GY; Fu, HM
2004-11-01
Source PublicationJOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
ISSN1010-6030
Volume168Issue:1-2Pages:47-52
AbstractNanosized coupled ZnO/SnO2 photocatalysts with different Sn contents were prepared using the coprecipitation method, and characterized by X-ray diffraction, specific surface area and UV-Vis diffuse reflectance spectroscopy. The phases, mean grain sizes and band gap energy of the coupled ZnO/SnO2 photocatalysts varied with the Sn contents and the calcination temperatures. The photocatalytic activities of the coupled ZnO/SnO2 Photocatalysts, evaluated using the photodegradation of methyl orange as a probe reaction, were also found to be related to the calcination temperatures and the Sn contents. The photocatalytic activities of the coupled ZnO/SnO2 photocatalysts decreased with the increasing calcination temperatures. The maximum photocatalytic activity of the coupled ZnO/SnO2 photocatalyst, which is about 1.3 times the photocatalytic activity of ZnO and 21.3 times that of SnO2, was observed with a Sn content of 33.3 mol% under calcination at 500degreesC for 10 h. The enhancement of the photocatalytic activity might arise from the hetero-junctions ZnO/SnO2 in the coupled oxides. The photo-stability of the ZnO/SnO2 photocatalyst was also studied. (C) 2004 Elsevier B.V. All rights reserved.
KeywordPhotocatalysis Zinc Oxide Tin Dioxide Nanomaterials Methyl Orange
DOI10.1016/j.jphotochem.2004.05.014
Indexed BySCI
Language英语
WOS IDWOS:000224440000007
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:175[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/81954
Collection中国科学院化学研究所
Corresponding AuthorXu, BQ
Affiliation1.Tsing Hua Univ, Dept Chem, Beijing 100084, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Geochem, Guangzhou 510640, Peoples R China
3.Chinese Acad Sci, Inst Chem, Beijing 100084, Peoples R China
Recommended Citation
GB/T 7714
Cun, W,Wang, XM,Xu, BQ,et al. Enhanced photocatalytic performance of nanosized coupled ZnO/SnO2 photocatalysts for methyl orange degradation[J]. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY,2004,168(1-2):47-52.
APA Cun, W.,Wang, XM.,Xu, BQ.,Zhao, JC.,Mai, BX.,...&Fu, HM.(2004).Enhanced photocatalytic performance of nanosized coupled ZnO/SnO2 photocatalysts for methyl orange degradation.JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY,168(1-2),47-52.
MLA Cun, W,et al."Enhanced photocatalytic performance of nanosized coupled ZnO/SnO2 photocatalysts for methyl orange degradation".JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY 168.1-2(2004):47-52.
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