Kinetics of the N2O-CO reaction on Rh(110)

被引：5
|
作者：
Zhdanov, Vladimir P. [1 ]
Nakagoe, Osamu
Matsushima, Tatsuo
机构：
[1] Russian Acad Sci, Boreskov Inst Catalysis, Novosibirsk 630090, Russia
[2] Hokkaido Univ, Catalysis Res Ctr, Sapporo, Hokkaido 00110021, Japan
来源：
SURFACE SCIENCE | 2007年 / 601卷 / 10期
关键词：
heterogeneous catalysis; reaction kinetics; low index single crystal surfaces; Rh(110); N2O; CO; N-2; oxygen;
D O I：
10.1016/j.susc.2007.03.019
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：
Our recent studies of the steady-state kinetics of the N2O-CO reaction on Rh(l 10) indicate that at CO excess, the reaction rate increases with increasing temperature. At N2O excess, the reaction rate is nearly independent of temperature at T < 520 K and rapidly decreases with increasing temperature at T > 520 K. Our present analysis of the relevant data indicates that the latter feature seems to be related to surface-oxide formation. Following this line, we propose a mean-field kinetic model making it possible to describe and clarify the experiment. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：L49 / L54
页数：6
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