Adsorption of ethylene on stoichiometric RuO2(110)

被引：22
|
作者：
Paulus, UA
Wang, Y
Bonzel, HP
Jacobi, K
Ertl, G
机构：
[1] Max Planck Gesell, Fritz Haber Inst, D-14195 Berlin, Germany
[2] Forschungszentrum Julich, D-52425 Julich, Germany
来源：
SURFACE SCIENCE | 2004年 / 566卷
关键词：
electron energy loss spectroscopy (EELS); thermal desorption spectroscopy; catalysis; chemisorption; ruthenium; alkenes;
D O I：
10.1016/j.susc.2004.06.041
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：
Ethylene adsorbed on the stoichiometric RuO2(110) surface at 85 K is investigated applying high-resolution electron energy-loss spectroscopy and thermal desorption spectroscopy in combination with isotope labeling experiments. Under the applied conditions (ultra-high vacuum, no continuous reactant supply) ethylene does not react with stoichiometric RuO2(001) and is desorbed molecularly at 320 K. Warming to 260 K leads to a rearrangement Of C2H4 from pi- to sigma-bonded. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：989 / 994
页数：6
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