Interaction of Gaseous Reagents on Gold and Nickel Nanoparticles

被引：0
|
作者：
A. K. Gatin
M. V. Grishin
S. Yu. Sarvadi
B. R. Shub
机构：
[1] Russian Academy of Sciences,Semenov Institute of Chemical Physics
来源：
Russian Journal of Physical Chemistry B | 2018年 / 12卷
关键词：
nanoparticles; gold; nickel; hydrogen; carbon monoxide; oxygen; adsorption; interaction; scanning tunneling microscopy and spectroscopy;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The adsorption and interaction of hydrogen, carbon monoxide, and oxygen with gold and nickel nanoparticles is studied by scanning tunneling microscopy and spectroscopy. It is established that the HCO radical is formed on gold nanoparticles by the reaction between adsorbed H2 and CO, which is subsequently oxidized by oxygen to water and CO2. At the same time, after exposure to H2 and CO, nickel nanoparticles coated with oxide are reduced. The formation of adsorbed HCO on such nanoparticles is not observed.
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页码：317 / 324
页数：7
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