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Conductance of a photochromic molecular switch with graphene leads

Motta, C and Trioni, MI and Brivio, GP and Sebastian, KL (2011) Conductance of a photochromic molecular switch with graphene leads. In: Physical Review B: Condensed Matter and Materials Physics, 84 (11).

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Official URL: http://prb.aps.org/abstract/PRB/v84/i11/e113408

Abstract

We report a full self-consistent ab initio calculation of the conductance of a diarylethene-based molecular switch with two graphene electrodes. Our results show the contributions of the resonant states of the molecule, of the electrode density of states, and of graphene unique features, such as edge states. The conductivities are found to be significantly different for the two photochromic isomers at zero and finite applied bias. Further we point out the possibility of causing the switching by the application of a large potential difference between the two electrodes.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to The American Physical Society.
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Depositing User: Id for Latest eprints
Date Deposited: 11 Oct 2011 09:38
Last Modified: 11 Oct 2011 09:38
URI: http://eprints.iisc.ac.in/id/eprint/41302

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