ICCAS OpenIR
Photocatalytic Degradation of Rhodamine B by Nanocrystalline TiO2 Loaded into MCM-41 Molecular Sieves
Feng Li-Li1; Zhao Wei1; Liu Yang1; Jiao Liang2; Li Xing-Guo1
2009-07-01
Source PublicationACTA PHYSICO-CHIMICA SINICA
ISSN1000-6818
Volume25Issue:7Pages:1347-1351
AbstractTiO2/MCM-41. composites with various titania content were prepared by loading titania into the mesopores of MCM-41 molecular sieves via the sol-gel method. TiO2/MCM-41 composites were characterized by Xray diffraction (XRD), N-2 adsorption, ultraviolet-visible (UV-Vis) absorption spectroscopy and transmission electron microscopy (TEM) techniques. The titania crystalline phase was anatase. The BET surface area and pore volume of the composites decreased with the increase of titania loading (mass ratio of TiO2 to MCM-41. in the composite). The average crystal size of these titania particles increased as the titania loading increased. The photocatalytic activities of TiO2/MCM-41 composites were evaluated by the photocatalytic degradation of Rhodamine B. The degradation of Rhodamine B followed first-order reaction kinetics. The composites showed higher photocatalytic activities than P-25 commercial pure titania nanoparticles. The photocatalytic activities of the composites depended on their adsorption abilities and the activity of titania loaded into the MCM-41 molecular sieves.
KeywordMcm-41 Molecular Sieve Nanocrystalline Titania Rhodamine b Photocatalytic Degradation
DOI10.3866/PKU.WHXB20090707
Indexed BySCI
Language英语
WOS IDWOS:000268081000017
PublisherPEKING UNIV PRESS
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/68310
Collection中国科学院化学研究所
Corresponding AuthorLi Xing-Guo
Affiliation1.Peking Univ, Coll Chem & Mol Engn, Beijing Natl Lab Mol Sci, State Key Lab Rare Earth Mat Chem & Applicat, Beijing 100871, Peoples R China
2.Beijing Univ Aeronaut & Astronaut, Sch Mat Sci & Engn, Beijing 100191, Peoples R China
Recommended Citation
GB/T 7714
Feng Li-Li,Zhao Wei,Liu Yang,et al. Photocatalytic Degradation of Rhodamine B by Nanocrystalline TiO2 Loaded into MCM-41 Molecular Sieves[J]. ACTA PHYSICO-CHIMICA SINICA,2009,25(7):1347-1351.
APA Feng Li-Li,Zhao Wei,Liu Yang,Jiao Liang,&Li Xing-Guo.(2009).Photocatalytic Degradation of Rhodamine B by Nanocrystalline TiO2 Loaded into MCM-41 Molecular Sieves.ACTA PHYSICO-CHIMICA SINICA,25(7),1347-1351.
MLA Feng Li-Li,et al."Photocatalytic Degradation of Rhodamine B by Nanocrystalline TiO2 Loaded into MCM-41 Molecular Sieves".ACTA PHYSICO-CHIMICA SINICA 25.7(2009):1347-1351.
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