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题名: Thermal decomposition of Mo(CO)(6) on thin Al2O3 film: A combinatorial investigation by XPS and UPS
作者: Jiang, Zhiquan;  Huang, Weixin;  Zhang, Zhen;  Zhao, Hong;  Tan, Dali;  Bao, Xinhe
关键词: molybdenum hexacarbonyl ;  thin Al2O3 film ;  thermal decomposition ;  X-ray photoelectron spectroscopy ;  ultraviolet photoelectron spectroscopy
刊名: SURFACE SCIENCE
发表日期: 2007-02-01
DOI: 10.1016/j.susc.2006.11.016
卷: 601, 期:3, 页:844-851
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical ;  Physics, Condensed Matter
研究领域[WOS]: Chemistry ;  Physics
英文摘要: A thin and homogeneous alumina film was prepared by deposition and oxidation of aluminum on a refractory Re(0001) substrate under ultrahigh vacuum conditions. X-ray photoelectron spectroscopy (XPS), ultraviolet photoelectron spectroscopy (UPS) and high-resolution electron-energy-loss spectroscopy (HREELS) demonstrate that the oxide film is long-range ordered, essentially stoichiometric and free from surface hydroxyl groups. The chemisorption and thermal decomposition of MO(CO)(6) on the Al2O3 film were investigated by means of XPS and UPS. MO(CO)(6) adsorbs molecularly on the oxide film at 100 K; however, thermal decomposition of the adsorbate occurs upon annealing at high temperatures. Consequently the metallic molybdenum clusters are deposited on the thin alumina film via complete decarbonylation of MO(CO)(6). (c) 2006 Elsevier B.V. All rights reserved.
关键词[WOS]: HOT-ELECTRON ATTACHMENT ;  ALUMINUM-OXIDE FILMS ;  MOLYBDENUM HEXACARBONYL ;  HIGH-TEMPERATURES ;  SUPPORTED MOLYBDENUM ;  SURFACE-CHEMISTRY ;  FORCE CONSTANTS ;  DIRECT PHOTOEXCITATION ;  PHOTOELECTRON-SPECTRA ;  METAL HEXACARBONYLS
语种: 英语
WOS记录号: WOS:000244372900036
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140478
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
2.Univ Sci & Technol China, Dept Chem Phys, Hefei 230026, Peoples R China

Recommended Citation:
Jiang, Zhiquan,Huang, Weixin,Zhang, Zhen,et al. Thermal decomposition of Mo(CO)(6) on thin Al2O3 film: A combinatorial investigation by XPS and UPS[J]. SURFACE SCIENCE,2007,601(3):844-851.
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