Thermal transport in layer-by-layer assembled polycrystalline graphene films

David Estrada, Zuanyi Li, Gyung Min Choi, Simon N. Dunham, Andrey Serov, Jungchul Lee, Yifei Meng, Feifei Lian, Ning C. Wang, Alondra Perez, Richard T. Haasch, Jian-Min Zuo, William Paul King, John A. Rogers, David G Cahill, Eric Pop

Research output: Contribution to journalArticle

Abstract

New technologies are emerging which allow us to manipulate and assemble 2-dimensional (2D) building blocks, such as graphene, into synthetic van der Waals (vdW) solids. Assembly of such vdW solids has enabled novel electronic devices and could lead to control over anisotropic thermal properties through tuning of inter-layer coupling and phonon scattering. Here we report the systematic control of heat flow in graphene-based vdW solids assembled in a layer-by-layer (LBL) fashion. In-plane thermal measurements (between 100 K and 400 K) reveal substrate and grain boundary scattering limit thermal transport in vdW solids composed of one to four transferred layers of graphene grown by chemical vapor deposition (CVD). Such films have room temperature in-plane thermal conductivity of ~400 Wm−1 K−1. Cross-plane thermal conductance approaches 15 MWm−2 K−1 for graphene-based vdW solids composed of seven layers of graphene films grown by CVD, likely limited by rotational mismatch between layers and trapped particulates remnant from graphene transfer processes. Our results provide fundamental insight into the in-plane and cross-plane heat carrying properties of substrate-supported synthetic vdW solids, with important implications for emerging devices made from artificially stacked 2D materials.

Original languageEnglish (US)
Article number10
Journalnpj 2D Materials and Applications
Volume3
Issue number1
DOIs
StatePublished - Dec 1 2019

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Graphite
Graphene
graphene
Chemical vapor deposition
emerging
vapor deposition
Phonon scattering
Substrates
scattering
heat transmission
particulates
Hot Temperature
Thermal conductivity
Grain boundaries
thermal conductivity
Thermodynamic properties
grain boundaries
Tuning
thermodynamic properties
assembly

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanical Engineering
  • Mechanics of Materials
  • Condensed Matter Physics
  • Chemistry(all)

Cite this

Estrada, D., Li, Z., Choi, G. M., Dunham, S. N., Serov, A., Lee, J., ... Pop, E. (2019). Thermal transport in layer-by-layer assembled polycrystalline graphene films. npj 2D Materials and Applications, 3(1), [10]. https://doi.org/10.1038/s41699-019-0092-8

Thermal transport in layer-by-layer assembled polycrystalline graphene films. / Estrada, David; Li, Zuanyi; Choi, Gyung Min; Dunham, Simon N.; Serov, Andrey; Lee, Jungchul; Meng, Yifei; Lian, Feifei; Wang, Ning C.; Perez, Alondra; Haasch, Richard T.; Zuo, Jian-Min; King, William Paul; Rogers, John A.; Cahill, David G; Pop, Eric.

In: npj 2D Materials and Applications, Vol. 3, No. 1, 10, 01.12.2019.

Research output: Contribution to journalArticle

Estrada, D, Li, Z, Choi, GM, Dunham, SN, Serov, A, Lee, J, Meng, Y, Lian, F, Wang, NC, Perez, A, Haasch, RT, Zuo, J-M, King, WP, Rogers, JA, Cahill, DG & Pop, E 2019, 'Thermal transport in layer-by-layer assembled polycrystalline graphene films', npj 2D Materials and Applications, vol. 3, no. 1, 10. https://doi.org/10.1038/s41699-019-0092-8
Estrada, David ; Li, Zuanyi ; Choi, Gyung Min ; Dunham, Simon N. ; Serov, Andrey ; Lee, Jungchul ; Meng, Yifei ; Lian, Feifei ; Wang, Ning C. ; Perez, Alondra ; Haasch, Richard T. ; Zuo, Jian-Min ; King, William Paul ; Rogers, John A. ; Cahill, David G ; Pop, Eric. / Thermal transport in layer-by-layer assembled polycrystalline graphene films. In: npj 2D Materials and Applications. 2019 ; Vol. 3, No. 1.
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