Molecular junctions: Can pulling influence optical controllability?

Shane M. Parker; Manuel Smeu; Ignacio Franco; Mark A. Ratner; Tamar Seideman

doi:10.1021/nl501629c

Molecular junctions: Can pulling influence optical controllability?

Shane M. Parker, Manuel Smeu, Ignacio Franco, Mark A. Ratner, Tamar Seideman^*

^*Corresponding author for this work

Chemistry

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

17 Scopus citations

Abstract

We suggest the combination of single molecule pulling and optical control as a way to enhance control over the electron transport characteristics of a molecular junction. We demonstrate using a model junction consisting of biphenyl-dithiol coupled to gold contacts. The junction is pulled while optically manipulating the dihedral angle between the two rings. Quantum dynamics simulations show that molecular pulling enhances the degree of control over the dihedral angle and hence over the transport properties.

Original language	English (US)
Pages (from-to)	4587-4591
Number of pages	5
Journal	Nano letters
Volume	14
Issue number	8
DOIs	https://doi.org/10.1021/nl501629c
State	Published - Aug 13 2014

Keywords

Optical control
electron transport
molecular conductance
molecular junction
single-molecule pulling

ASJC Scopus subject areas

Bioengineering
Chemistry(all)
Materials Science(all)
Condensed Matter Physics
Mechanical Engineering

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10.1021/nl501629c

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title = "Molecular junctions: Can pulling influence optical controllability?",

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AU - Franco, Ignacio

AU - Ratner, Mark A.

AU - Seideman, Tamar

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AB - We suggest the combination of single molecule pulling and optical control as a way to enhance control over the electron transport characteristics of a molecular junction. We demonstrate using a model junction consisting of biphenyl-dithiol coupled to gold contacts. The junction is pulled while optically manipulating the dihedral angle between the two rings. Quantum dynamics simulations show that molecular pulling enhances the degree of control over the dihedral angle and hence over the transport properties.

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KW - electron transport

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KW - single-molecule pulling

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