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Thermal transport through single-molecule junctions

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Thermal transport through single-molecule junctions. / Mosso, N.; Sadeghi, H.; Gemma, A. et al.
In: Nano Letters, Vol. 19, No. 11, 13.11.2019, p. 7614-7622.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Mosso, N, Sadeghi, H, Gemma, A, Sangtarash, S, Drechsler, U, Lambert, C & Gotsmann, B 2019, 'Thermal transport through single-molecule junctions', Nano Letters, vol. 19, no. 11, pp. 7614-7622. https://doi.org/10.1021/acs.nanolett.9b02089

APA

Mosso, N., Sadeghi, H., Gemma, A., Sangtarash, S., Drechsler, U., Lambert, C., & Gotsmann, B. (2019). Thermal transport through single-molecule junctions. Nano Letters, 19(11), 7614-7622. https://doi.org/10.1021/acs.nanolett.9b02089

Vancouver

Mosso N, Sadeghi H, Gemma A, Sangtarash S, Drechsler U, Lambert C et al. Thermal transport through single-molecule junctions. Nano Letters. 2019 Nov 13;19(11):7614-7622. Epub 2019 Sept 27. doi: 10.1021/acs.nanolett.9b02089

Author

Mosso, N. ; Sadeghi, H. ; Gemma, A. et al. / Thermal transport through single-molecule junctions. In: Nano Letters. 2019 ; Vol. 19, No. 11. pp. 7614-7622.

Bibtex

@article{7a2916544cfb40ef8e616e26fa4a5217,
title = "Thermal transport through single-molecule junctions",
abstract = "Molecular junctions exhibit a rich and tunable set of thermal transport phenomena. However, the predicted high thermoelectric efficiencies, phonon quantum interference effects, rectification, and nonlinear heat transport properties of organic molecules are yet to be verified because suitable experimental techniques have been missing. Here, by combining the break junction technique with suspended heat-flux sensors with picowatt per Kelvin sensitivity, we measured the thermal and electrical conductance of single organic molecules at room temperature simultaneously. We used this method to study the thermal transport properties of two model systems, namely, dithiol-oligo(phenylene ethynylene) and octane dithiol junctions with gold electrodes. In agreement with our density functional theory and phase-coherent transport calculations, we show that heat transport across these systems is governed by the phonon mismatch between the molecules and the metallic electrodes. This work represents the first measurement of thermal transport through single molecules and opens new opportunities for studying heat management at the nanoscale level.",
keywords = "Thermal transport, single molecule, molecular junctions",
author = "N. Mosso and H. Sadeghi and A. Gemma and S. Sangtarash and U. Drechsler and C. Lambert and B. Gotsmann",
year = "2019",
month = nov,
day = "13",
doi = "10.1021/acs.nanolett.9b02089",
language = "English",
volume = "19",
pages = "7614--7622",
journal = "Nano Letters",
issn = "1530-6984",
publisher = "American Chemical Society",
number = "11",

}

RIS

TY - JOUR

T1 - Thermal transport through single-molecule junctions

AU - Mosso, N.

AU - Sadeghi, H.

AU - Gemma, A.

AU - Sangtarash, S.

AU - Drechsler, U.

AU - Lambert, C.

AU - Gotsmann, B.

PY - 2019/11/13

Y1 - 2019/11/13

N2 - Molecular junctions exhibit a rich and tunable set of thermal transport phenomena. However, the predicted high thermoelectric efficiencies, phonon quantum interference effects, rectification, and nonlinear heat transport properties of organic molecules are yet to be verified because suitable experimental techniques have been missing. Here, by combining the break junction technique with suspended heat-flux sensors with picowatt per Kelvin sensitivity, we measured the thermal and electrical conductance of single organic molecules at room temperature simultaneously. We used this method to study the thermal transport properties of two model systems, namely, dithiol-oligo(phenylene ethynylene) and octane dithiol junctions with gold electrodes. In agreement with our density functional theory and phase-coherent transport calculations, we show that heat transport across these systems is governed by the phonon mismatch between the molecules and the metallic electrodes. This work represents the first measurement of thermal transport through single molecules and opens new opportunities for studying heat management at the nanoscale level.

AB - Molecular junctions exhibit a rich and tunable set of thermal transport phenomena. However, the predicted high thermoelectric efficiencies, phonon quantum interference effects, rectification, and nonlinear heat transport properties of organic molecules are yet to be verified because suitable experimental techniques have been missing. Here, by combining the break junction technique with suspended heat-flux sensors with picowatt per Kelvin sensitivity, we measured the thermal and electrical conductance of single organic molecules at room temperature simultaneously. We used this method to study the thermal transport properties of two model systems, namely, dithiol-oligo(phenylene ethynylene) and octane dithiol junctions with gold electrodes. In agreement with our density functional theory and phase-coherent transport calculations, we show that heat transport across these systems is governed by the phonon mismatch between the molecules and the metallic electrodes. This work represents the first measurement of thermal transport through single molecules and opens new opportunities for studying heat management at the nanoscale level.

KW - Thermal transport

KW - single molecule

KW - molecular junctions

U2 - 10.1021/acs.nanolett.9b02089

DO - 10.1021/acs.nanolett.9b02089

M3 - Journal article

VL - 19

SP - 7614

EP - 7622

JO - Nano Letters

JF - Nano Letters

SN - 1530-6984

IS - 11

ER -