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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
KeywordOxygen Nitrogen Oxides Platinum X-ray Photoelectron Spectroscopy Thermal Desorption
Source PublicationSURFACE SCIENCE
2002-05-20
Volume506Issue:3Pages:L287-L292
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Physical ; Physics, Condensed Matter
WOS Research AreaChemistry ; Physics
WOS KeywordNITROGEN-DIOXIDE ; NITRIC-OXIDE ; HIGH COVERAGES ; ATOMIC OXYGEN ; SURFACE ; RH(111) ; DESORPTION ; O-2 ; DISTRIBUTIONS ; OXIDATION
AbstractNO2 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.
Language英语
WOS IDWOS:000176089000003
Citation statistics
Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/139085
Collection中国科学院大连化学物理研究所
AffiliationDalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
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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