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Title: Giant enhancement of nanoscale thermal radiation based on hyperbolic graphene plasmons

Journal Article · · Applied Physics Letters
DOI:https://doi.org/10.1063/1.4932958· OSTI ID:22482223

Excitation of surface plasmons enables super-Planckian thermal radiation far beyond the blackbody limit. By patterning a single layer of graphene sheet into ribbons, the closed circular dispersion of graphene plasmons is opened to become hyperbolic, leading to broadband singularities of density of states. Extremely high-k evanescent waves can now couple with hyperbolic graphene plasmons. Consequently, a giant enhancement of the near-field radiative heat flux, by more than one order of magnitude, is demonstrated in this study using rigorous numerical simulations. The findings may open promising pathways for highly efficient thermal management, energy harvesting, and sub-wavelength thermal imaging.

OSTI ID:
22482223
Journal Information:
Applied Physics Letters, Vol. 107, Issue 14; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0003-6951
Country of Publication:
United States
Language:
English

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Cited By (14)

Hyperbolic Metamaterials and Metasurfaces: Fundamentals and Applications journal April 2019
The Optical Properties and Plasmonics of Anisotropic 2D Materials journal September 2019
Functional Mid‐Infrared Polaritonics in van der Waals Crystals journal November 2019
Luminescent hyperbolic metasurfaces journal January 2017
Ultrafast radiative heat transfer journal February 2017
Gate voltage and doping effects on near-field radiation heat transfer in plasmonic heterogeneous pairs of graphene and black phosphorene journal January 2019
Control of near-field radiative heat transfer based on anisotropic 2D materials journal August 2018
Graphene-based thermal repeater journal December 2019
Enhancement and Manipulation of Near-Field Radiative Heat Transfer Using an Intermediate Modulator journal January 2020
Metasurface-mediated anisotropic radiative heat transfer between nanoparticles journal August 2019
Significant Enhancement of Near-Field Electromagnetic Heat Transfer in a Multilayer Structure through Multiple Surface-States Coupling journal February 2018
Enhanced Photon Tunneling by Surface Plasmon–Phonon Polaritons in Graphene/hBN Heterostructures journal October 2016
Control of near-field radiative heat transfer based on anisotropic 2D materials preprint January 2018
Ultrafast Radiative Heat Transfer text January 2016