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Thermoelectric Limitations of Graphene Nanodevices at Ultrahigh Current Densities

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

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Thermoelectric Limitations of Graphene Nanodevices at Ultrahigh Current Densities. / Evangeli, Charalambos; Swett, Jacob; Spiece, Jean et al.
In: ACS Nano, Vol. 18, No. 17, 30.04.2024, p. 11153-11164.

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

Harvard

Evangeli, C, Swett, J, Spiece, J, McCann, E, Fried, J, Harzheim, A, Lupini, AR, Briggs, GAD, Gehring, P, Jesse, S, Kolosov, OV, Mol, JA & Dyck, O 2024, 'Thermoelectric Limitations of Graphene Nanodevices at Ultrahigh Current Densities', ACS Nano, vol. 18, no. 17, pp. 11153-11164. https://doi.org/10.1021/acsnano.3c12930

APA

Evangeli, C., Swett, J., Spiece, J., McCann, E., Fried, J., Harzheim, A., Lupini, A. R., Briggs, G. A. D., Gehring, P., Jesse, S., Kolosov, O. V., Mol, J. A., & Dyck, O. (2024). Thermoelectric Limitations of Graphene Nanodevices at Ultrahigh Current Densities. ACS Nano, 18(17), 11153-11164. https://doi.org/10.1021/acsnano.3c12930

Vancouver

Evangeli C, Swett J, Spiece J, McCann E, Fried J, Harzheim A et al. Thermoelectric Limitations of Graphene Nanodevices at Ultrahigh Current Densities. ACS Nano. 2024 Apr 30;18(17):11153-11164. Epub 2024 Apr 19. doi: 10.1021/acsnano.3c12930

Author

Evangeli, Charalambos ; Swett, Jacob ; Spiece, Jean et al. / Thermoelectric Limitations of Graphene Nanodevices at Ultrahigh Current Densities. In: ACS Nano. 2024 ; Vol. 18, No. 17. pp. 11153-11164.

Bibtex

@article{0ad14511714546b5870d45e8855b4a0a,
title = "Thermoelectric Limitations of Graphene Nanodevices at Ultrahigh Current Densities",
abstract = "Graphene is atomically thin, possesses excellent thermal conductivity, and is able to withstand high current densities, making it attractive for many nanoscale applications such as field-effect transistors, interconnects, and thermal management layers. Enabling integration of graphene into such devices requires nanostructuring, which can have a drastic impact on the self-heating properties, in particular at high current densities. Here, we use a combination of scanning thermal microscopy, finite element thermal analysis, and scanning transmission electron microscopy techniques to observe prototype graphene devices in operation and gain a deeper understanding of the role of geometry and interfaces during high current density operation. We find that Peltier effects significantly influence the operational limit due to local electrical and thermal interfacial effects, causing asymmetric temperature distribution in the device. Thus, our results indicate that a proper understanding and design of graphene devices must include consideration of the surrounding materials, interfaces, and geometry. Leveraging these aspects provides opportunities for engineered extreme operation devices.",
keywords = "Joule heating, Peltier effect, Seebeck coefficient, graphene, high current density, scanning thermal microscopy, scanning transmission electron microscopy",
author = "Charalambos Evangeli and Jacob Swett and Jean Spiece and Edward McCann and Jasper Fried and Achim Harzheim and Lupini, {Andrew R.} and Briggs, {G. Andrew D.} and Pascal Gehring and Stephen Jesse and Kolosov, {Oleg V.} and Mol, {Jan A.} and Ondrej Dyck",
year = "2024",
month = apr,
day = "30",
doi = "10.1021/acsnano.3c12930",
language = "English",
volume = "18",
pages = "11153--11164",
journal = "ACS Nano",
issn = "1936-0851",
publisher = "American Chemical Society",
number = "17",

}

RIS

TY - JOUR

T1 - Thermoelectric Limitations of Graphene Nanodevices at Ultrahigh Current Densities

AU - Evangeli, Charalambos

AU - Swett, Jacob

AU - Spiece, Jean

AU - McCann, Edward

AU - Fried, Jasper

AU - Harzheim, Achim

AU - Lupini, Andrew R.

AU - Briggs, G. Andrew D.

AU - Gehring, Pascal

AU - Jesse, Stephen

AU - Kolosov, Oleg V.

AU - Mol, Jan A.

AU - Dyck, Ondrej

PY - 2024/4/30

Y1 - 2024/4/30

N2 - Graphene is atomically thin, possesses excellent thermal conductivity, and is able to withstand high current densities, making it attractive for many nanoscale applications such as field-effect transistors, interconnects, and thermal management layers. Enabling integration of graphene into such devices requires nanostructuring, which can have a drastic impact on the self-heating properties, in particular at high current densities. Here, we use a combination of scanning thermal microscopy, finite element thermal analysis, and scanning transmission electron microscopy techniques to observe prototype graphene devices in operation and gain a deeper understanding of the role of geometry and interfaces during high current density operation. We find that Peltier effects significantly influence the operational limit due to local electrical and thermal interfacial effects, causing asymmetric temperature distribution in the device. Thus, our results indicate that a proper understanding and design of graphene devices must include consideration of the surrounding materials, interfaces, and geometry. Leveraging these aspects provides opportunities for engineered extreme operation devices.

AB - Graphene is atomically thin, possesses excellent thermal conductivity, and is able to withstand high current densities, making it attractive for many nanoscale applications such as field-effect transistors, interconnects, and thermal management layers. Enabling integration of graphene into such devices requires nanostructuring, which can have a drastic impact on the self-heating properties, in particular at high current densities. Here, we use a combination of scanning thermal microscopy, finite element thermal analysis, and scanning transmission electron microscopy techniques to observe prototype graphene devices in operation and gain a deeper understanding of the role of geometry and interfaces during high current density operation. We find that Peltier effects significantly influence the operational limit due to local electrical and thermal interfacial effects, causing asymmetric temperature distribution in the device. Thus, our results indicate that a proper understanding and design of graphene devices must include consideration of the surrounding materials, interfaces, and geometry. Leveraging these aspects provides opportunities for engineered extreme operation devices.

KW - Joule heating

KW - Peltier effect

KW - Seebeck coefficient

KW - graphene

KW - high current density

KW - scanning thermal microscopy

KW - scanning transmission electron microscopy

U2 - 10.1021/acsnano.3c12930

DO - 10.1021/acsnano.3c12930

M3 - Journal article

C2 - 38641345

VL - 18

SP - 11153

EP - 11164

JO - ACS Nano

JF - ACS Nano

SN - 1936-0851

IS - 17

ER -