The effect of surface ion-induced defects on CO adsorption on polycrystalline Ni

被引：0
|
作者：
S. N. Trukhan
V. P. Ivanov
机构：
[1] Boreskov Institute of Catalysis,
来源：
Reaction Kinetics and Catalysis Letters | 1998年 / 65卷
关键词：
Ion-induced adsorption; Ni; CO; defects;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
CO adsorption on polycrystalline nickel was investigated by dynamic secondary ion mass-spectroscopy at 10−5–10−3 Pa and 300–500 K. An increase of secondary ion currents NiCO+/Ni+ ratio was found in the range from 300 to 350 K, while at T>350 K it decreased sharply. These data were explained by a kinetic model, in which adsorption and desorption of tightly bound CO goes through weakly bound CO formed due to ion-induced defects.
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页码：355 / 362
页数：7
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