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Probing a Redox Behavior of TiO2/SBA-15 Supported VxOy Catalyst Using an Electron Beam in a 200 kV Transmission Electron Microscope
Zhang, Wei1; Zhang, Bingsen1; Wolfram, Till1; Shao, Lidong1; Schloegl, Robert1; Su, Dang Sheng1,2
Corresponding AuthorSu, Dang Sheng(dangsheng@fhi-berlin.mpg.de)
2011-10-27
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY C
ISSN1932-7447
Volume115Issue:42Pages:20550-20554
AbstractSupported vanadium oxides are becoming the model catalysts for. numerous selective oxidation reactions. To exploit redox chemistry of well-known titania-supported vanadia is currently one of the most fascinating topics. Herein, by applying in situ electron energy-loss spectroscopy, we succeeded in stimulating a new redox reaction in a routine transmission electron microscope; the electron beam can boost further oxidation from an amorphous lower-oxidation-state vanadia to maximal V2O5 with an expense of oxygen from its support of TiO2 to be reduced. Our findings could be extended into a new strategy: through utilizing an electron beam, and probing the redox chemistry between catalysts and their support in a wide class of heterogeneous catalyst systems, such as various oxide/oxide, metal/oxide, and oxide/metal catalysts.
Funding OrganizationDeutsche Forschungsgemeinschaft (DFG)
DOI10.1021/jp2058645
Indexed BySCI
Language英语
Funding ProjectDeutsche Forschungsgemeinschaft (DFG)[SFB546]
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science
WOS SubjectChemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS IDWOS:000296205600028
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/106668
Collection中国科学院金属研究所
Corresponding AuthorSu, Dang Sheng
Affiliation1.Max Planck Soc, Fritz Haber Inst, Dept Inorgan Chem, D-14195 Berlin, Germany
2.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Wei,Zhang, Bingsen,Wolfram, Till,et al. Probing a Redox Behavior of TiO2/SBA-15 Supported VxOy Catalyst Using an Electron Beam in a 200 kV Transmission Electron Microscope[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2011,115(42):20550-20554.
APA Zhang, Wei,Zhang, Bingsen,Wolfram, Till,Shao, Lidong,Schloegl, Robert,&Su, Dang Sheng.(2011).Probing a Redox Behavior of TiO2/SBA-15 Supported VxOy Catalyst Using an Electron Beam in a 200 kV Transmission Electron Microscope.JOURNAL OF PHYSICAL CHEMISTRY C,115(42),20550-20554.
MLA Zhang, Wei,et al."Probing a Redox Behavior of TiO2/SBA-15 Supported VxOy Catalyst Using an Electron Beam in a 200 kV Transmission Electron Microscope".JOURNAL OF PHYSICAL CHEMISTRY C 115.42(2011):20550-20554.
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