Experimental study of thermal rectification in suspended monolayer graphene

Haidong Wang, Shiqian Hu, Koji Takahashi, Xing Zhang, Hiroshi Takamatsu, Jie Chen

Research output: Contribution to journalArticle

51 Citations (Scopus)

Abstract

Thermal rectification is a fundamental phenomenon for active heat flow control. Significant thermal rectification is expected to exist in the asymmetric nanostructures, such as nanowires and thin films. As a one-atom-thick membrane, graphene has attracted much attention for realizing thermal rectification as shown by many molecular dynamics simulations. Here, we experimentally demonstrate thermal rectification in various asymmetric monolayer graphene nanostructures. A large thermal rectification factor of 26% is achieved in a defect-engineered monolayer graphene with nanopores on one side. A thermal rectification factor of 10% is achieved in a pristine monolayer graphene with nanoparticles deposited on one side or with a tapered width. The results indicate that the monolayer graphene has great potential to be used for designing high-performance thermal rectifiers for heat flow control and energy harvesting.

Original languageEnglish
Article number15843
JournalNature communications
Volume8
DOIs
Publication statusPublished - Jun 13 2017

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rectification
Monolayers
graphene
Hot Temperature
heat transmission
Flow control
Nanostructures
Heat transfer
rectifiers
Nanopores
Energy harvesting
Nanowires
nanowires
Molecular dynamics
Molecular Dynamics Simulation
molecular dynamics
membranes
Nanoparticles
nanoparticles

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Physics and Astronomy(all)

Cite this

Experimental study of thermal rectification in suspended monolayer graphene. / Wang, Haidong; Hu, Shiqian; Takahashi, Koji; Zhang, Xing; Takamatsu, Hiroshi; Chen, Jie.

In: Nature communications, Vol. 8, 15843, 13.06.2017.

Research output: Contribution to journalArticle

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AU - Chen, Jie

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