Size-dependent dehydrogenation of ethane by cationic rhodium clusters in the gas phase

被引：12
|
作者：
Balteanu, Iulia [1 ]
Balaj, O. Petru [1 ]
Beyer, Martin K. [1 ]
Bondybey, Vladimir E. [1 ]
机构：
[1] Tech Univ Munich, Dept Chem, D-85747 Garching, Germany
来源：
INTERNATIONAL JOURNAL OF MASS SPECTROMETRY | 2006年 / 255卷
关键词：
rhodium; ethane; dehydrogenation; gas phase; cluster;
D O I：
10.1016/j.ijms.2005.08.019
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 reactivity of cationicrhodium clusters, Rh-n(+), n= 1-23, with ethane is studied by Fourier transform ion cyclotron resonance mass spectrometry. Single and double dehydrogenation with elimination of molecular hydrogen are the reactions observed. The reaction efficiency and branching ratio are strongly dependent on cluster size. The behavior is attributed to geometric effects, suggesting that dehydrogenation of ethane on cationic rhodium clusters has strong steric requirements. (C) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：71 / 75
页数：5
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