The Electronic Thermal Conductivity of Graphene

Nano Letters
Tae Yun KimNicola Marzari

Abstract

Graphene, as a semimetal with the largest known thermal conductivity, is an ideal system to study the interplay between electronic and lattice contributions to thermal transport. While the total electrical and thermal conductivity have been extensively investigated, a detailed first-principles study of its electronic thermal conductivity is still missing. Here, we first characterize the electron-phonon intrinsic contribution to the electronic thermal resistivity of graphene as a function of doping using electronic and phonon dispersions and electron-phonon couplings calculated from first-principles at the level of density-functional theory and many-body perturbation theory (GW). Then, we include extrinsic electron-impurity scattering using low-temperature experimental estimates. Under these conditions, we find that the in-plane electronic thermal conductivity κe of doped graphene is ∼300 W/mK at room temperature, independently of doping. This result is much larger than expected and comparable to the total thermal conductivity of typical metals, contributing ∼10% to the total thermal conductivity of bulk graphene. Notably, in samples whose physical or domain sizes are of the order of few micrometers or smaller, the relative cont...Continue Reading

References

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Citations

Aug 3, 2016·Langmuir : the ACS Journal of Surfaces and Colloids·Rongyan WangJianguo Yu
Feb 25, 2017·Advanced Materials·Yingjun LiuChao Gao
Oct 5, 2017·Journal of Physics. Condensed Matter : an Institute of Physics Journal·Dhavala SuriR S Patel
Jun 6, 2019·Physical Chemistry Chemical Physics : PCCP·Jieren SongRongguo Wang
Aug 5, 2017·Proceedings of the National Academy of Sciences of the United States of America·Emanuele PanizonErio Tosatti
Dec 12, 2019·Scientific Reports·Sellan PremkumarT Daniel Thangadurai
Jan 21, 2017·Reports on Progress in Physics·Denis L Nika, Alexander A Balandin
Aug 18, 2018·Physical Review Letters·Renwen YuF Javier García de Abajo
Aug 4, 2020·Physical Review Letters·Renwen YuF Javier García de Abajo
Mar 17, 2018·The Journal of Chemical Physics·Parijat SenguptaJunxia Shi
Jun 8, 2021·Physical Chemistry Chemical Physics : PCCP·Arian MayelifartashSadegh Sadeghzadeh
Aug 28, 2020·Chemical Reviews·Zhuxing SunYun Hang Hu
Feb 13, 2018·Langmuir : the ACS Journal of Surfaces and Colloids·Srilok Srinivasan, Ganesh Balasubramanian
Aug 25, 2021·Nature Nanotechnology·Alexander BlockKlaas-Jan Tielrooij
Jul 4, 2018·The Journal of Physical Chemistry Letters·Shiqian HuBaowen Li
Sep 18, 2021·Scientific Reports·Seungtaek OhHwa Sung Lee
Nov 6, 2020··K. S. BhargaviS. S. Kubakaddi

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