Molecular rectification through electric field induced conformational changes

被引：88
|
作者：
Troisi, A [1 ]
Ratner, MA
机构：
[1] Northwestern Univ, Dept Chem, Ctr Mat Res, Evanston, IL 60208 USA
[2] Northwestern Univ, Ctr Nanofabricat & Mol Self Assembly, Evanston, IL 60208 USA
来源：
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2002年 / 124卷 / 49期
关键词：
D O I：
10.1021/ja028281t
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A new approach for the design of a molecular rectifier is proposed. Using a simple model, we have shown that conformational changes induced by the electric field may lead to a rectifying junction. The simplest possible rectifier of this kind presents two almost isoenergetic conformations, with different conductances and dipole moments. A simple equation allows for the estimation of the range of molecular parameters and temperatures that lead to an effective rectification. Examples show that rectification based on this mechanism is also possible at room temperature. Copyright © 2002 American Chemical Society.
引用
收藏
页码：14528 / 14529
页数：2
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