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Decomposition of NO2 on Pt(110): formation of a new oxygen adsorption state
Huang, WX; Jiang, ZQ; Jiao, J; Tan, DL; Zhai, RS; Bao, XH
关键词Oxygen Nitrogen Oxides Platinum X-ray Photoelectron Spectroscopy Thermal Desorption
刊名SURFACE SCIENCE
2002-05-20
506期:3页:L287-L292
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
关键词[WOS]NITROGEN-DIOXIDE ; NITRIC-OXIDE ; HIGH COVERAGES ; ATOMIC OXYGEN ; SURFACE ; RH(111) ; DESORPTION ; O-2 ; DISTRIBUTIONS ; OXIDATION
英文摘要NO2 decomposition on Pt(1 1 0) was studied by XPS and TDS at various temperatures. At room temperature, NO, decomposes to adsorbed NO and oxygen adatoms on Pt(1 1 0). Strong repulsive interactions exist between the adsorbed NO and the oxygen adatoms. Above 450 K, NOads desorbs completely from the Pt(I 10) surface and only adsorbed oxygen is left on the surface. O-2 thermal desorption spectra results reveal that, comparing with oxygen adsorption on Pt(1 1 0), NO, exposure above 350 K gives rise to an additional oxygen adsorption state on Pt(l 10) that desorbs at a lower temperature. The new oxygen adsorption state has an O1s binding energy of 529.2 eV. The formation of the new oxygen adsorption state may be associated with the local phase transition of the Pt(l 10) surface from (I x 2) structure to (1 x 1) structure induced by the NOads that is formed from NO2 decomposition. () 2002 Published by Elsevie(C) Science B.V.
语种英语
WOS记录号WOS:000176089000003
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被引频次:18[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/321008/139085
专题中国科学院大连化学物理研究所
作者单位Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
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Huang, WX,Jiang, ZQ,Jiao, J,et al. Decomposition of NO2 on Pt(110): formation of a new oxygen adsorption state[J]. SURFACE SCIENCE,2002,506(3):L287-L292.
APA Huang, WX,Jiang, ZQ,Jiao, J,Tan, DL,Zhai, RS,&Bao, XH.(2002).Decomposition of NO2 on Pt(110): formation of a new oxygen adsorption state.SURFACE SCIENCE,506(3),L287-L292.
MLA Huang, WX,et al."Decomposition of NO2 on Pt(110): formation of a new oxygen adsorption state".SURFACE SCIENCE 506.3(2002):L287-L292.
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