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Dispersion and site-blocking effect of molybdenum oxide for CO chemisorption on the Pt(110) substrate
Jiang, Zhiquan; Huang, Weixin; Zhao, Hong; Zhang, Zhen; Tan, Dali; Bao, Xinhe; Bao XH(包信和); Bao XH(包信和)
KeywordMolybdenum Pt(110) Thermal Desorption Spectroscopy X-ray Photoelectron Spectroscopy High-resolution Electron-energy-loss Spectroscopy
Source PublicationJOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
2007-05-01
DOI10.1016/j.molcata.2006.12.024
Volume268Issue:1-2Pages:213-220
Indexed BySCI
SubtypeArticle
Department5
Funding Project502
Contribution Rank1;1
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Physical
WOS Research AreaChemistry
WOS KeywordMO BIMETALLIC CATALYSTS ; THIN ALUMINA FILMS ; SURFACE-CHEMISTRY ; METHYL RADICALS ; CARBON-MONOXIDE ; INFRARED-SPECTROSCOPY ; METHANOL OXIDATION ; RAMAN-SPECTROSCOPY ; METAL-CARBONYLS ; CERIUM OXIDE
AbstractThe Pt(1 1 0) model surfaces modified by the metallic molybdenum and by the MoOx (molybdenum oxide species) were fabricated via thermal decomposition of MO(CO)(6) and subsequent oxidation on a clean Pt(1 10) substrate, by means of Auger electron spectroscopy (AES) and X-ray photoelectron spectroscopy (XPS), as well as high-resolution electron-energy-loss spectroscopy (HREELS). CO chemisorption on these model surfaces was investigated using thermal desorption spectroscopy (TDS) and HREELS. The presence of the metallic molybdenum and MoOx species suppresses CO chemisorption on the Pt(1 10) substrate, indicating a physically site-blocking effect. The electron-deficiency of the Pt(I 10), due to the modification of metallic molybdenum, causes the low-temperature peak of CO desorption to shift downward in temperature by similar to 30 K. The interaction between the MoOx and the underlying Pt(1 10) substrate has no influence on CO desorption temperature. (c) 2007 Published by Elsevier B.V.
Language英语
URL查看原文
WOS IDWOS:000245897100032
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/99223
Collection中国科学院大连化学物理研究所
Corresponding AuthorBao XH(包信和); Bao XH(包信和)
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Univ Sci & Technol China, Dept Chem Phys, Hefei 230026, Peoples R China
Recommended Citation
GB/T 7714
Jiang, Zhiquan,Huang, Weixin,Zhao, Hong,et al. Dispersion and site-blocking effect of molybdenum oxide for CO chemisorption on the Pt(110) substrate[J]. JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,2007,268(1-2):213-220.
APA Jiang, Zhiquan.,Huang, Weixin.,Zhao, Hong.,Zhang, Zhen.,Tan, Dali.,...&包信和.(2007).Dispersion and site-blocking effect of molybdenum oxide for CO chemisorption on the Pt(110) substrate.JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,268(1-2),213-220.
MLA Jiang, Zhiquan,et al."Dispersion and site-blocking effect of molybdenum oxide for CO chemisorption on the Pt(110) substrate".JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL 268.1-2(2007):213-220.
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