Heterogeneous chemiluminescence of crystallophosphor catalysts in the CO+O mixture

被引：3
|
作者：
Shigalugov, SK [1 ]
Tyurin, YI
Styrov, VV
Tolmacheva, ND
机构：
[1] Norilsk Ind Inst, Norilsk, Krasnoyarsk Kr, Russia
[2] Tomsk Polytech Univ, Tomsk 634034, Russia
来源：
KINETICS AND CATALYSIS | 2000年 / 41卷 / 04期
关键词：
Oxygen Atom; Quantum Yield; Carbon Monoxide Oxidation; Oxygen Atom Adsorption; Initial Surface Concentration;
D O I：
10.1007/BF02756071
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 results of the study of stationary and relaxation characteristics of heterogeneous chemiluminescence (HCLCO+O) of such crystalophosphor catalysts as CaO-Bi and Zn2SiO4-Mn are presented. Chemiluminescence was excited by the products of the dissociation of the CO, CO2, or O-2 + CO + Ar mixture. The excitation of (HCLCO+O) generally follows the Eley-Rideal mechanism, that is O + CO-L --> CO2-L + h nu or CO + O-L --> CO2-L + h nu, where L denotes a lattice. The stepwise kinetic mechanism of HCLCO+O excitation is suggested. The cross-sections and quantum yields of CO oxidation on the surface of CaO-Bi and Zn2SiO4-Mn are determined.
引用
收藏
页码：531 / 537
页数：7
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