Charge Transport in Photoswitchable Dimethyldihydropyrene-Type Single-Molecule Junctions

被引：154

作者：

Roldan, Diego ^{[1
]}

Kaliginedi, Veerabhadrarao ^{[2
]}

Cobo, Saioa ^{[1
]}

Kolivoska, Viliam ^{[2
]}

Bucher, Christophe ^{[1
,3
]}

Hong, Wenjing ^{[2
]}

Royal, Guy ^{[1
]}

Wandlowski, Thomas ^{[2
]}

机构：

[1] Univ Grenoble 1, FR CNRS 2607, Inst Chim Mol Grenoble, UMR CNRS 5250,Dept Chim Mol, F-38041 Grenoble 9, France

[2] Univ Bern, Dept Chem & Biochem, CH-3012 Bern, Switzerland

[3] Ecole Normale Super Lyon, UMR CNRS 5182, Chim Lab, F-69364 Lyon, France

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2013年 / 135卷 / 16期

基金：

瑞士国家科学基金会;

关键词：

QUANTUM INTERFERENCE; GOLD ELECTRODES; CONDUCTANCE; DIARYLETHENES; SWITCHES;

D O I：

10.1021/ja401484j

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The conductance properties of a photoswitchable dimethyldihydropyrene (DHP) derivative have been investigated for the first time in single-molecule junctions using the mechanically controllable break junction technique. We demonstrate that the reversible structure changes induced by isomerization of a single bispyridine-substituted DHP molecule are correlated with a large drop of the conductance value. We found a very high ON/OFF ratio (>10(4)) and an excellent reversibility of conductance switching.

引用

页码：5974 / 5977

页数：4

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