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Coadsorption of nitric oxide and oxygen on the Ag(110) surface; Coadsorption of nitric oxide and oxygen on the Ag(110) surface
Bao, X; Wild, U; Muhler, M; Pettinger, B; Schlogl, R; Ertl, G
关键词Decomposition Of Nox Decomposition Of Nox Photoemission Spectroscopy Photoemission Spectroscopy Silver Silver
刊名SURFACE SCIENCE ; SURFACE SCIENCE
1999-04-20 ; 1999-04-20
425期:2-3页:224-232
收录类别SCI ; SCI
文章类型Article ; Article
WOS标题词Science & Technology ; Science & Technology ; Physical Sciences ; Physical Sciences
类目[WOS]Chemistry, Physical ; Chemistry, Physical ; Physics, Condensed Matter ; Physics, Condensed Matter
研究领域[WOS]Chemistry ; Chemistry ; Physics ; Physics
关键词[WOS]PHOTOELECTRON-SPECTROSCOPY ; PHOTOELECTRON-SPECTROSCOPY ; ELECTRONIC-STRUCTURE ; ELECTRONIC-STRUCTURE ; SILVER ; SILVER ; NO ; NO ; OXIDATION ; OXIDATION ; PLATINUM ; PLATINUM ; CO ; CO
英文摘要The coadsorption of NO and O-2 on Ag(110) surface has been studied by X-ray photoelectron spectroscopy (XPS), ultraviolet photoelectron spectroscopy (UPS) and in situ Raman spectroscopy. The existence of oxygen enhances the adsorption of NO by forming the NOx species, that is, NO2 and NO3, and the NO in turn as a promotor facilitates the cleavage of the dioxygen bond, forming the surface atomic oxygen species having the same spectral characteristics as those produced using oxygen at high pressure. The oxygen species generated by the interaction is composed of two parts. One is produced directly by the decomposition of surface NO-O-2 complex at ca 625 K, which raised an O 1s feature at 530.5 eV and is absent at ca 800 K, while the another with an O 1s binding energy of 529.2 eV emerges at higher temperatures and shows similar properties as the reported gamma-state oxygen which bound tightly on restructured silver surface. The exposure to NO and O-2 causes noticeable changes in the morphology of the Ag(110) surface and the flat terraces superseded by small (ca 0.1 mu m) pits, and particles with typical diameters of a few micrometres were formed at elevated temperatures. (C) 1999 Elsevier Science B.V. All rights reserved.; The coadsorption of NO and O-2 on Ag(110) surface has been studied by X-ray photoelectron spectroscopy (XPS), ultraviolet photoelectron spectroscopy (UPS) and in situ Raman spectroscopy. The existence of oxygen enhances the adsorption of NO by forming the NOx species, that is, NO2 and NO3, and the NO in turn as a promotor facilitates the cleavage of the dioxygen bond, forming the surface atomic oxygen species having the same spectral characteristics as those produced using oxygen at high pressure. The oxygen species generated by the interaction is composed of two parts. One is produced directly by the decomposition of surface NO-O-2 complex at ca 625 K, which raised an O 1s feature at 530.5 eV and is absent at ca 800 K, while the another with an O 1s binding energy of 529.2 eV emerges at higher temperatures and shows similar properties as the reported gamma-state oxygen which bound tightly on restructured silver surface. The exposure to NO and O-2 causes noticeable changes in the morphology of the Ag(110) surface and the flat terraces superseded by small (ca 0.1 mu m) pits, and particles with typical diameters of a few micrometres were formed at elevated temperatures. (C) 1999 Elsevier Science B.V. All rights reserved.
语种英语 ; 英语
原文出处查看原文 ; 查看原文
WOS记录号WOS:000080080200010 ; WOS:000080080200010
引用统计
被引频次:29[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/321008/86385
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, State key Lab Catalysis, Dalian 116023, Peoples R China
2.MPG, Fritz Haber Inst, D-1419 Berlin, Germany
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GB/T 7714
Bao, X,Wild, U,Muhler, M,et al. Coadsorption of nitric oxide and oxygen on the Ag(110) surface, Coadsorption of nitric oxide and oxygen on the Ag(110) surface[J]. SURFACE SCIENCE, SURFACE SCIENCE,1999, 1999,425, 425(2-3):224-232, 224-232.
APA Bao, X,Wild, U,Muhler, M,Pettinger, B,Schlogl, R,&Ertl, G.(1999).Coadsorption of nitric oxide and oxygen on the Ag(110) surface.SURFACE SCIENCE,425(2-3),224-232.
MLA Bao, X,et al."Coadsorption of nitric oxide and oxygen on the Ag(110) surface".SURFACE SCIENCE 425.2-3(1999):224-232.
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