A model for bond-breaking electron transfer at metal electrodes

被引:36
|
作者
Santos, E
Koper, MTM
Schmickler, W [1 ]
机构
[1] Univ Ulm, Dept Theoret Chem, Abt Elektrochem, D-89069 Ulm, Germany
[2] Univ Nacl Cordoba, Fac Matemat Astron & Fis, RA-5000 Cordoba, Argentina
[3] Leiden Univ, Leiden Inst Chem, NL-2300 RA Leiden, Netherlands
关键词
D O I
10.1016/j.cplett.2005.11.118
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
A model Hamiltonian is proposed for bond-breaking electrochemical electron transfer to an adsorbed molecule. The theory is applied to a homonuclear molecule, and self-consistent equations are derived for the occupation probabilities of the orbitals and the system energy. Model calculations result in an adiabatic potential energy surface with a minimum for the adsorbed state with the bond intact and a valley for the two dissociated anions. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码:421 / 425
页数:5
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