The role of vibrations in single-molecule charge transport: A case study of oligoynes with pyridine anchor groups

Journal article
(Original article)


Publication Details

Author(s): Ballmann SD, Hieringer W, Härtle R, Brana Coto P, Bryce M, Görling A, Thoss M, Weber HB
Journal: Physica Status Solidi B-Basic Solid State Physics
Publisher: Wiley-VCH Verlag
Publication year: 2013
Volume: 250
Journal issue: 11
Pages range: 2452-2457
ISSN: 0370-1972
eISSN: 1521-3951


Abstract


We report on measurements on molecular wires in single-molecule junctions. The target is to identify vibrational signatures in the differential conductance spectra, which cannot be resolved for most molecular wires in the resonant transport regime. For the given molecules, we find indeed vibrational sidepeaks, which can be assigned to the longitudinal modes of the string-like central motif of the molecule by comparison with density functional theory. These data corroborate that oligoyne wires are ideally suited for characterizing vibrational sidepeaks. A current increase as a consequence of vibrational decoherence observed for thiols is, however, not found due to the pyridine anchor group chosen in the present molecules. © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.



FAU Authors / FAU Editors

Ballmann, Stefan Dieter
Lehrstuhl für Angewandte Physik
Brana Coto, Pedro Dr.
Professur für Theoretische Physik mit dem Schwerpunkt Elektronentransport in Molekülen
Görling, Andreas Prof. Dr.
Lehrstuhl für Theoretische Chemie
Härtle, Rainer
Interdisziplinäres Zentrum für Molekulare Materialien
Hieringer, Wolfgang PD Dr.
Lehrstuhl für Theoretische Chemie
Thoss, Michael Prof. Dr.
Professur für Theoretische Physik mit dem Schwerpunkt Elektronentransport in Molekülen
Weber, Heiko B. Prof. Dr.
Lehrstuhl für Angewandte Physik


How to cite

APA:
Ballmann, S.D., Hieringer, W., Härtle, R., Brana Coto, P., Bryce, M., Görling, A.,... Weber, H.B. (2013). The role of vibrations in single-molecule charge transport: A case study of oligoynes with pyridine anchor groups. Physica Status Solidi B-Basic Solid State Physics, 250(11), 2452-2457. https://dx.doi.org/10.1002/pssb.201350025

MLA:
Ballmann, Stefan Dieter, et al. "The role of vibrations in single-molecule charge transport: A case study of oligoynes with pyridine anchor groups." Physica Status Solidi B-Basic Solid State Physics 250.11 (2013): 2452-2457.

BibTeX: 

Last updated on 2018-19-04 at 02:31