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题名: Studies on the surface migration of adsorbed oxygen from noble metals to silver over binary catalysts
作者: Huang, WX;  Teng, JW;  Bao, XH
关键词: surface migration ;  oxygen ;  platinum ;  palladium ;  silver
刊名: SURFACE AND INTERFACE ANALYSIS
发表日期: 2001-08-01
卷: 32, 期:1, 页:179-182
收录类别: ISTP ;  SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: Adsorbed oxygen migration from noble metals to silver was investigated on both an Ag/Pt(110) model catalyst and Al2O3-supported Ag-Pd catalysts by photoelectron emission microscopy (PEEM) and oxygen temperature-programmed desorption (TPD). On the CO-precovered Ag/Pt(110) surface, oxygen was observed to diffuse from the Pt(110) surface to the Ag surface by PEEM. The diffusion of oxygen was coupled locally with a surface reaction of COad + O-ad, giving rise to rapid propagation of the oxygen front. Migration of oxygen from the Pd surface to the Ag surface was proved also by oxygen TPD experiments on Al2O3-supported Ag-Pd catalysts. Copyright (C) 2001 John Wiley & Sons, Ltd.
关键词[WOS]: ADSORPTION ;  CO
语种: 英语
WOS记录号: WOS:000170551800039
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138897
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.Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Huang, WX,Teng, JW,Bao, XH. Studies on the surface migration of adsorbed oxygen from noble metals to silver over binary catalysts[J]. SURFACE AND INTERFACE ANALYSIS,2001,32(1):179-182.
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