Quantum interference effects at room temperature in OPV-based single-molecule junctions

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Quantum interference effects at room temperature in OPV-based single-molecule junctions. / Arroyo, Carlos R.; Frisenda, Riccardo; Moth-Poulsen, Kasper; Seldenthuis, Johannes S.; Bjørnholm, Thomas; van der Zant, Herre S. J.

In: Nanoscale Research Letters, Vol. 8, 234, 2013.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Arroyo, CR, Frisenda, R, Moth-Poulsen, K, Seldenthuis, JS, Bjørnholm, T & van der Zant, HSJ 2013, 'Quantum interference effects at room temperature in OPV-based single-molecule junctions', Nanoscale Research Letters, vol. 8, 234. https://doi.org/10.1186/1556-276X-8-234

APA

Arroyo, C. R., Frisenda, R., Moth-Poulsen, K., Seldenthuis, J. S., Bjørnholm, T., & van der Zant, H. S. J. (2013). Quantum interference effects at room temperature in OPV-based single-molecule junctions. Nanoscale Research Letters, 8, [234]. https://doi.org/10.1186/1556-276X-8-234

Vancouver

Arroyo CR, Frisenda R, Moth-Poulsen K, Seldenthuis JS, Bjørnholm T, van der Zant HSJ. Quantum interference effects at room temperature in OPV-based single-molecule junctions. Nanoscale Research Letters. 2013;8. 234. https://doi.org/10.1186/1556-276X-8-234

Author

Arroyo, Carlos R. ; Frisenda, Riccardo ; Moth-Poulsen, Kasper ; Seldenthuis, Johannes S. ; Bjørnholm, Thomas ; van der Zant, Herre S. J. / Quantum interference effects at room temperature in OPV-based single-molecule junctions. In: Nanoscale Research Letters. 2013 ; Vol. 8.

Bibtex

@article{b337133f052a4b599fe6488502337e87,
title = "Quantum interference effects at room temperature in OPV-based single-molecule junctions",
abstract = "Interference effects on charge transport through an individual molecule can lead to a notable modulation and suppression on its conductance. In this letter, we report the observation of quantum interference effects occurring at room temperature in single-molecule junctions based on oligo(3)-phenylenevinylene (OPV3) derivatives, in which the central benzene ring is coupled to either para- or meta-positions. Using the break-junction technique, we find that the conductance for a single meta-OPV3 molecule wired between gold electrodes is one order of magnitude smaller than that of a para-OPV3 molecule. Theoretical calculations confirm the occurrence of constructive and destructive interference in the para- and meta-OPV3 molecules respectively, which arises from the phase difference of the transmission coefficients through the molecular orbitals.",
keywords = "Single-molecule transport, Quantum interference, Break junctions, Non-equilibrium Green's functions",
author = "Arroyo, {Carlos R.} and Riccardo Frisenda and Kasper Moth-Poulsen and Seldenthuis, {Johannes S.} and Thomas Bj{\o}rnholm and {van der Zant}, {Herre S. J.}",
note = "OA",
year = "2013",
doi = "10.1186/1556-276X-8-234",
language = "English",
volume = "8",
journal = "Nanoscale Research Letters",
issn = "1931-7573",
publisher = "SpringerOpen",

}

RIS

TY - JOUR

T1 - Quantum interference effects at room temperature in OPV-based single-molecule junctions

AU - Arroyo, Carlos R.

AU - Frisenda, Riccardo

AU - Moth-Poulsen, Kasper

AU - Seldenthuis, Johannes S.

AU - Bjørnholm, Thomas

AU - van der Zant, Herre S. J.

N1 - OA

PY - 2013

Y1 - 2013

N2 - Interference effects on charge transport through an individual molecule can lead to a notable modulation and suppression on its conductance. In this letter, we report the observation of quantum interference effects occurring at room temperature in single-molecule junctions based on oligo(3)-phenylenevinylene (OPV3) derivatives, in which the central benzene ring is coupled to either para- or meta-positions. Using the break-junction technique, we find that the conductance for a single meta-OPV3 molecule wired between gold electrodes is one order of magnitude smaller than that of a para-OPV3 molecule. Theoretical calculations confirm the occurrence of constructive and destructive interference in the para- and meta-OPV3 molecules respectively, which arises from the phase difference of the transmission coefficients through the molecular orbitals.

AB - Interference effects on charge transport through an individual molecule can lead to a notable modulation and suppression on its conductance. In this letter, we report the observation of quantum interference effects occurring at room temperature in single-molecule junctions based on oligo(3)-phenylenevinylene (OPV3) derivatives, in which the central benzene ring is coupled to either para- or meta-positions. Using the break-junction technique, we find that the conductance for a single meta-OPV3 molecule wired between gold electrodes is one order of magnitude smaller than that of a para-OPV3 molecule. Theoretical calculations confirm the occurrence of constructive and destructive interference in the para- and meta-OPV3 molecules respectively, which arises from the phase difference of the transmission coefficients through the molecular orbitals.

KW - Single-molecule transport

KW - Quantum interference

KW - Break junctions

KW - Non-equilibrium Green's functions

U2 - 10.1186/1556-276X-8-234

DO - 10.1186/1556-276X-8-234

M3 - Journal article

C2 - 23679986

VL - 8

JO - Nanoscale Research Letters

JF - Nanoscale Research Letters

SN - 1931-7573

M1 - 234

ER -

ID: 117988755