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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)
关键词Molybdenum Pt(110) Thermal Desorption Spectroscopy X-ray Photoelectron Spectroscopy High-resolution Electron-energy-loss Spectroscopy
刊名JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
2007-05-01
DOI10.1016/j.molcata.2006.12.024
268期:1-2页:213-220
收录类别SCI
文章类型Article
部门归属5
项目归属502
产权排名1;1
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical
研究领域[WOS]Chemistry
关键词[WOS]MO BIMETALLIC CATALYSTS ; THIN ALUMINA FILMS ; SURFACE-CHEMISTRY ; METHYL RADICALS ; CARBON-MONOXIDE ; INFRARED-SPECTROSCOPY ; METHANOL OXIDATION ; RAMAN-SPECTROSCOPY ; METAL-CARBONYLS ; CERIUM OXIDE
英文摘要The 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.
语种英语
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WOS记录号WOS:000245897100032
引用统计
被引频次:9[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/99223
专题中国科学院大连化学物理研究所
通讯作者Bao XH(包信和); Bao XH(包信和)
作者单位1.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
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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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