Physicochemical Properties of Nanoparticles: Interaction of Supported Platinum Nanoparticles with Gaseous Reactants

被引：4
|
作者：
Gatin, A. K. [1 ]
Grishin, M. V. [1 ]
Sarvadii, S. Yu. [1 ]
Slutskii, V. G. [1 ]
Kharitonov, V. A. [1 ]
Shub, B. R. [1 ]
Kulak, A. I. [2 ]
机构：
[1] Russian Acad Sci, Semenov Inst Chem Phys, Moscow 119334, Russia
[2] Belarussian Acad Sci, Inst Gen & Inorgan Chem, Minsk 220072, BELARUS
来源：
KINETICS AND CATALYSIS | 2018年 / 59卷 / 02期
基金：
俄罗斯基础研究基金会;
关键词：
platinum nanoparticles; supports; adsorptive properties; hydrogen; oxygen; water; ammonia; scanning tunneling microscopy; spectroscopy; SELECTIVE HYDROGENATION; OXIDATION; SIZE; KINETICS; AMMONIA; ADSORPTION; MICROSCOPY; REDUCTION; MECHANISM; GRAPHITE;
D O I：
10.1134/S0023158418020088
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：
The shapes, sizes, and electronic structures of platinum nanoparticles supported onto highly oriented pyrolytic graphite and oxidized silicon by different methods and their adsorptive properties with respect to hydrogen, oxygen, water, and ammonia were established. The apparent activation energy of the reduction of single oxidized platinum nanoparticles with molecular hydrogen was determined. The possibility of controlling the rate of ammonia decomposition by a nanostructured platinum coating by the application of electric potentials of different values and polarities to it was demonstrated.
引用
收藏
页码：196 / 202
页数：7
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