Effect of oxygen on NO adsorption on the Ag(111) surface:: evidence for a NO3,ads species

被引：19
|
作者：
Zemlyanov, D [1 ]
Schlögl, R [1 ]
机构：
[1] Max Planck Gesell, Fritz Haber Inst, D-14195 Berlin, Germany
来源：
SURFACE SCIENCE | 2000年 / 470卷 / 1-2期
关键词：
silver; nitrogen oxides; X-ray photoelectron spectroscopy;
D O I：
10.1016/S0039-6028(00)00840-2
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The formation of a AgNO3 layer revealed by O 1s and N 1s spectra was observed after exposure of the Ag(1 1 1) surface to a NO/O-2 mixture at 330 K and pressures in the mbar range; at lower pressure no N-containing complexes form. The AgNO3 layer decomposes in vacuum at 450 K resulting in the formation of a highly stable O-gamma species. The O-gamma species changes the reactivity of the silver surface to NO adsorption. The NO3.ads species is found on the surface after an exposure of O-gamma/Ag(1 1 1) to NO. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：L20 / L24
页数：5
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