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Inelastic electron tunneling spectroscopy of difurylethene-based photochromic single-molecule junctions

Diarylethene-derived molecules alter their electronic structure upon transformation between the open and closed forms of the diarylethene core, when exposed to ultraviolet (UV) or visible light. This transformation results in a significant variation of electrical conductance and vibrational properti...

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Detalles Bibliográficos
Autores principales: Kim, Youngsang, Bahoosh, Safa G, Sysoiev, Dmytro, Huhn, Thomas, Pauly, Fabian, Scheer, Elke
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Beilstein-Institut 2017
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5727803/
https://www.ncbi.nlm.nih.gov/pubmed/29259875
http://dx.doi.org/10.3762/bjnano.8.261
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author Kim, Youngsang
Bahoosh, Safa G
Sysoiev, Dmytro
Huhn, Thomas
Pauly, Fabian
Scheer, Elke
author_facet Kim, Youngsang
Bahoosh, Safa G
Sysoiev, Dmytro
Huhn, Thomas
Pauly, Fabian
Scheer, Elke
author_sort Kim, Youngsang
collection PubMed
description Diarylethene-derived molecules alter their electronic structure upon transformation between the open and closed forms of the diarylethene core, when exposed to ultraviolet (UV) or visible light. This transformation results in a significant variation of electrical conductance and vibrational properties of corresponding molecular junctions. We report here a combined experimental and theoretical analysis of charge transport through diarylethene-derived single-molecule devices, which are created using the mechanically controlled break-junction technique. Inelastic electron tunneling (IET) spectroscopy measurements performed at 4.2 K are compared with first-principles calculations in the two distinct forms of diarylethenes connected to gold electrodes. The combined approach clearly demonstrates that the IET spectra of single-molecule junctions show specific vibrational features that can be used to identify different isomeric molecular states by transport experiments.
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spelling pubmed-57278032017-12-19 Inelastic electron tunneling spectroscopy of difurylethene-based photochromic single-molecule junctions Kim, Youngsang Bahoosh, Safa G Sysoiev, Dmytro Huhn, Thomas Pauly, Fabian Scheer, Elke Beilstein J Nanotechnol Full Research Paper Diarylethene-derived molecules alter their electronic structure upon transformation between the open and closed forms of the diarylethene core, when exposed to ultraviolet (UV) or visible light. This transformation results in a significant variation of electrical conductance and vibrational properties of corresponding molecular junctions. We report here a combined experimental and theoretical analysis of charge transport through diarylethene-derived single-molecule devices, which are created using the mechanically controlled break-junction technique. Inelastic electron tunneling (IET) spectroscopy measurements performed at 4.2 K are compared with first-principles calculations in the two distinct forms of diarylethenes connected to gold electrodes. The combined approach clearly demonstrates that the IET spectra of single-molecule junctions show specific vibrational features that can be used to identify different isomeric molecular states by transport experiments. Beilstein-Institut 2017-12-06 /pmc/articles/PMC5727803/ /pubmed/29259875 http://dx.doi.org/10.3762/bjnano.8.261 Text en Copyright © 2017, Kim et al. https://creativecommons.org/licenses/by/4.0https://www.beilstein-journals.org/bjnano/termsThis is an Open Access article under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The license is subject to the Beilstein Journal of Nanotechnology terms and conditions: (https://www.beilstein-journals.org/bjnano/terms)
spellingShingle Full Research Paper
Kim, Youngsang
Bahoosh, Safa G
Sysoiev, Dmytro
Huhn, Thomas
Pauly, Fabian
Scheer, Elke
Inelastic electron tunneling spectroscopy of difurylethene-based photochromic single-molecule junctions
title Inelastic electron tunneling spectroscopy of difurylethene-based photochromic single-molecule junctions
title_full Inelastic electron tunneling spectroscopy of difurylethene-based photochromic single-molecule junctions
title_fullStr Inelastic electron tunneling spectroscopy of difurylethene-based photochromic single-molecule junctions
title_full_unstemmed Inelastic electron tunneling spectroscopy of difurylethene-based photochromic single-molecule junctions
title_short Inelastic electron tunneling spectroscopy of difurylethene-based photochromic single-molecule junctions
title_sort inelastic electron tunneling spectroscopy of difurylethene-based photochromic single-molecule junctions
topic Full Research Paper
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5727803/
https://www.ncbi.nlm.nih.gov/pubmed/29259875
http://dx.doi.org/10.3762/bjnano.8.261
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