Conformational molecular rectifiers

Alessandro Troisi; Mark A. Ratner

doi:10.1021/nl0352088

Conformational molecular rectifiers

Alessandro Troisi^*, Mark A. Ratner

^*Corresponding author for this work

Chemistry

Research output: Contribution to journal › Article › peer-review

116 Scopus citations

Abstract

Unimolecular rectification based on voltage-controlled intramolecular stereochemical modification is suggested and computationally investigated. In sharp contrast to present molecular rectifiers, these conformational molecular rectifiers (CMRs) differ in principle from silicon structures, deriving their large, strongly temperature-dependent rectification from the differing current pathways in two dominant conformations, controlled by the interelectrode applied field. Two sorts of CMRs, one based on contact modulation the other on bridge modulation, are calculated: an ambient rectification ratio of 10² can be approached.

Original language	English (US)
Pages (from-to)	591-595
Number of pages	5
Journal	Nano Letters
Volume	4
Issue number	4
DOIs	https://doi.org/10.1021/nl0352088
State	Published - Apr 1 2004

ASJC Scopus subject areas

Materials Science(all)

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10.1021/nl0352088

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abstract = "Unimolecular rectification based on voltage-controlled intramolecular stereochemical modification is suggested and computationally investigated. In sharp contrast to present molecular rectifiers, these conformational molecular rectifiers (CMRs) differ in principle from silicon structures, deriving their large, strongly temperature-dependent rectification from the differing current pathways in two dominant conformations, controlled by the interelectrode applied field. Two sorts of CMRs, one based on contact modulation the other on bridge modulation, are calculated: an ambient rectification ratio of 102 can be approached.",

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AB - Unimolecular rectification based on voltage-controlled intramolecular stereochemical modification is suggested and computationally investigated. In sharp contrast to present molecular rectifiers, these conformational molecular rectifiers (CMRs) differ in principle from silicon structures, deriving their large, strongly temperature-dependent rectification from the differing current pathways in two dominant conformations, controlled by the interelectrode applied field. Two sorts of CMRs, one based on contact modulation the other on bridge modulation, are calculated: an ambient rectification ratio of 102 can be approached.

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Conformational molecular rectifiers

Abstract

ASJC Scopus subject areas

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