Plasmon-Induced Conductance Enhancement in Single-Molecule Junctions

Vadai, Michal; Nachman, Nirit; Ben-Zion, Matan; Bürkle, Marius; Pauly, Fabian; Cuevas, Juan Carlos; Selzer, Yoram

Plasmon-Induced Conductance Enhancement in Single-Molecule Junctions

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Datum

2013

Autor:innen

Vadai, Michal

Nachman, Nirit

Ben-Zion, Matan

Bürkle, Marius

Pauly, Fabian

Cuevas, Juan Carlos

Selzer, Yoram

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

The Journal of Physical Chemistry Letters. 2013, 4(17), pp. 2811-2816. ISSN 1948-7185. eISSN 1948-7185. Available under: doi: 10.1021/jz4014008

Zusammenfassung

The effect of surface plasmons on the conductance of single-molecule junctions is studied using a squeezable break junction setup. We show that the conductance of 2,7-diaminofluorene single-molecule junctions can be enhanced upon laser irradiation. Our experimental approach enables us to show that this enhancement is due to the plasmon-induced oscillating field within the nanoscale metal gap of the junctions. The effective plasmon field enhancement within the gap is calculated to be 1000. The experimental procedure presented in this work, which enables one to explore the coupling between plasmons and molecular excitations via transport measurements, could potentially become a valuable tool in the field of plexcitonics.

Fachgebiet (DDC)

530 Physik

Zitieren

ISO 690

VADAI, Michal, Nirit NACHMAN, Matan BEN-ZION, Marius BÜRKLE, Fabian PAULY, Juan Carlos CUEVAS, Yoram SELZER, 2013. Plasmon-Induced Conductance Enhancement in Single-Molecule Junctions. In: The Journal of Physical Chemistry Letters. 2013, 4(17), pp. 2811-2816. ISSN 1948-7185. eISSN 1948-7185. Available under: doi: 10.1021/jz4014008

BibTex

@article{Vadai2013Plasm-26557,
  year={2013},
  doi={10.1021/jz4014008},
  title={Plasmon-Induced Conductance Enhancement in Single-Molecule Junctions},
  number={17},
  volume={4},
  issn={1948-7185},
  journal={The Journal of Physical Chemistry Letters},
  pages={2811--2816},
  author={Vadai, Michal and Nachman, Nirit and Ben-Zion, Matan and Bürkle, Marius and Pauly, Fabian and Cuevas, Juan Carlos and Selzer, Yoram}
}

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