Co-adsorption of CO and oxygen on W(110) surfaces

被引：5
|
作者：
Yang, Taek-seung [1 ]
Jee, Hae-geun [1 ]
Boo, Jin-Hyo [1 ]
Kim, Young Dok [1 ]
Lee, Soon-Bo [1 ]
机构：
[1] Sungkyunkwan Univ, Dept Chem, Suwon 440746, South Korea
来源：
VACUUM | 2010年 / 85卷 / 01期
关键词：
Thermal desorption spectroscopy; Co-adsorption; CO; Oxygen; LOW-TEMPERATURE CHEMISORPTION; CARBON-MONOXIDE; 110; PLANE; ADSORPTION; DISSOCIATION; DESORPTION; TUNGSTEN; PHOTOEMISSION; SPECTRA; STATE;
D O I：
10.1016/j.vacuum.2010.04.003
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Influence of oxygen adsorption on CO chemisorption behavior over W(110) surfaces was studied using valence band spectra and thermal desorption spectroscopy (TDS). In the absence of O, CO formed a tilted and a vertical structure at 120 K on W(110). In the presence of O coadsorbate, in contrast, formation of the tilted structure of CO was suppressed. CO desorption from oxygen-covered W(110) surfaces showed indication of a strong interaction between adsorbates at similar to 900 K, which was absent without O. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：65 / 68
页数：4
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