Adsorption structure, energetics, and thermal reactions of vinyl chloride on Ag(111)
作者： David P Pursell , Marie-Laure Bocquet , John M Vohs , Hai-Lung Dai
DOI: 10.1016/S0039-6028(02)02333-6
关键词: Vinyl chloride 、 Monolayer 、 Thermal desorption spectroscopy 、 High resolution electron energy loss spectroscopy 、 Analytical chemistry 、 Activation energy 、 Chlorine 、 Adsorption 、 Desorption 、 Chemistry
摘要: Abstract A study of vinyl chloride on Ag(1 1 1) by thermal desorption spectroscopy (TDS) and high resolution electron energy loss indicates that is weakly adsorbed with the molecular plane approximately parallel to surface plane. The monolayer desorbs molecularly at 119 K in a first order process activation 6.7 kcal/mol prefactor 4.6×10 11 s −1 . few multilayers above desorb 92 an 4.3 kcal/mol. At low coverages TDS has allow observation as heated greater than 126 K, small portion ( −3 cm 2 /molecule s.
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