Quantitative Exploration of Electron Transfer in a Single Noncovalent Supramolecular Assembly

被引：30

作者：

Bui, Phuc T. ^{[1
]}

Nishino, Tomoaki ^{[2
]}

Yamamoto, Yojiro ^{[3
,4
]}

Shiigi, Hiroshi ^{[3
]}

机构：

[1] Osaka Prefecture Univ, Dept Mat Sci, Sakai, Osaka 5998570, Japan

[2] Osaka Prefecture Univ, Nanosci & Nanotechnol Res Ctr, Sakai, Osaka 5998570, Japan

[3] Osaka Prefecture Univ, Dept Appl Chem, Sakai, Osaka 5998570, Japan

[4] GreenChem Inc, Sakai, Osaka 5998114, Japan

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2013年 / 135卷 / 14期

关键词：

MOLECULE CONDUCTANCE; PORPHYRIN WIRES; DESIGN; JUNCTIONS; CONDUCTIVITY; MONOLAYERS; TRANSPORT; STATES; GOLD; PAIR;

D O I：

10.1021/ja312019p

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Electron transfer through a noncovalent interaction bears essential relevance to the functions of bottom-up supramolecular assembly. However, rather little knowledge regarding such phenomena at the single-molecule level is currently available. Herein we report the direct quantification of electron-transfer processes for a single noncovalently linked porphyrin-fullerene dyad. Facilitated electron transfer via a charge-transfer interaction in-between was successfully measured by utilizing a fullerene molecular tip. The rectification property of the supramolecular assembly was determined and quantitatively assessed. The present study opens up a way to explore quantitatively the rich electronic properties of supramolecules at the single-molecule level.

引用

页码：5238 / 5241

页数：4

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