Electrochemically induced molecular motions in pseudorotaxanes: A case of dual-mode (oxidative and reductive) dethreading

被引：177

作者：

Asakawa, M ^{[1
]}

Ashton, PR ^{[1
]}

Balzani, V ^{[1
]}

Credi, A ^{[1
]}

Mattersteig, G ^{[1
]}

Matthews, OA ^{[1
]}

Montalti, M ^{[1
]}

Spencer, N ^{[1
]}

Stoddart, JF ^{[1
]}

Venturi, M ^{[1
]}

机构：

[1] UNIV BIRMINGHAM,SCH CHEM,BIRMINGHAM B15 2TT,W MIDLANDS,ENGLAND

来源：

CHEMISTRY-A EUROPEAN JOURNAL | 1997年 / 3卷 / 12期

关键词：

cyclic voltammetry; logic gates; molecular devices; pseudorotaxanes; spectroelectrochemistry;

D O I：

10.1002/chem.19970031214

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The electrochemical and spectroscopic properties of a pseudorotaxane formed in acetonitrile solution by self-assembly of a wire-type electron donor based on the tetrathiafulvalene unit and the cyclobis(paraquat-p-phenylene) tetracationic electron acceptor have been investigated. We show that a) reversible dethreading/rethreading cycles of the pseudorotaxane can be performed by either oxidation and successive reduction of the electron-donor wire or reduction and successive oxidation of the electron-accepting tetracationic cyclophane, and b) because of this special behavior, the input (electrochemical)/output (absorption spectrum) characteristics of this molecular-level system correspond to those of an XNOR logic gate.

引用

页码：1992 / 1996

页数：5

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