Interaction of Gaseous Reagents on Gold and Nickel Nanoparticles

被引：10
|
作者：
Gatin, A. K. [1 ]
Grishin, M. V. [1 ]
Sarvadi, S. Yu. [1 ]
Shub, B. R. [1 ]
机构：
[1] Russian Acad Sci, Semenov Inst Chem Phys, Moscow 119991, Russia
来源：
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY B | 2018年 / 12卷 / 02期
基金：
俄罗斯基础研究基金会;
关键词：
nanoparticles; gold; nickel; hydrogen; carbon monoxide; oxygen; adsorption; interaction; scanning tunneling microscopy and spectroscopy; CATALYTIC-ACTIVITY; LASER ELECTRODISPERSION; CARBON-MONOXIDE; CO ADSORPTION; SURFACE; OXYGEN; OXIDATION; HYDROGEN; AU; PD;
D O I：
10.1134/S1990793118020069
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
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 H-2 and CO, which is subsequently oxidized by oxygen to water and CO2. At the same time, after exposure to H-2 and CO, nickel nanoparticles coated with oxide are reduced. The formation of adsorbed HCO on such nanoparticles is not observed.
引用
收藏
页码：317 / 324
页数：8
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