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题名: Adsorption and decomposition of Mo(CO)(6) on thin Al2O3 films: fabrication of metallic molybdenum model catalyst
作者: Jiang, ZQ;  Huang, WX;  Jiao, J;  Zhao, H;  Tan, DL;  Zhai, RS;  Bao, XH
关键词: molybdenum hexacarbonyl ;  molybdenum ;  alumina ;  thermal desorption spectroscopy ;  X-ray photoelectron spectroscopy
刊名: APPLIED SURFACE SCIENCE
发表日期: 2004-05-15
DOI: 10.1016/j.apsusc.2004.01.028
卷: 229, 期:1-4, 页:43-50
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Materials Science, Coatings & Films ;  Physics, Applied ;  Physics, Condensed Matter
研究领域[WOS]: Chemistry ;  Materials Science ;  Physics
英文摘要: An ultra-thin and homogeneous alumina film is prepared by deposition and oxidation of aluminum on a platinum substrate under ultrahigh vacuum conditions. Auger electron spectroscopy (AES), X-ray photoelectron spectroscopy (XPS) and high-resolution electron-energy-loss spectroscopy (HREELS) demonstrate that this film is completely stoichiometric and characteristic of Al2O3. Temperature-programmed desorption (TPD) and XPS characterization show that the MO(CO)(6) decomposes and leaves molybdenum with C and O contaminants on the Al2O3 film at 700 K. Subsequent heat treatment at 1200 K results in the formation of a model surface of metallic-molybdenum-modified alumina, which could be applied to simulate the activation of CH4. (C) 2004 Elsevier B.V. All rights reserved.
关键词[WOS]: X-RAY PHOTOELECTRON ;  ALUMINA CATALYSTS ;  SURFACE-CHEMISTRY ;  SPECTROSCOPIC CHARACTERIZATION ;  PROPENE METATHESIS ;  HEXACARBONYL ;  REDUCTION ;  PHOTODISSOCIATION ;  CARBONYLS ;  ENERGY
语种: 英语
WOS记录号: WOS:000221680100009
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139285
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Jiang, ZQ,Huang, WX,Jiao, J,et al. Adsorption and decomposition of Mo(CO)(6) on thin Al2O3 films: fabrication of metallic molybdenum model catalyst[J]. APPLIED SURFACE SCIENCE,2004,229(1-4):43-50.
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