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Title: Active Radiative Thermal Switching with Graphene Plasmon Resonators

Journal Article · · ACS Nano
 [1];  [2];  [3]; ORCiD logo [1];  [3];  [2]; ORCiD logo [4]; ORCiD logo [1]
  1. California Inst. of Technology (CalTech), Pasadena, CA (United States). Dept. of Applied Physics and Materials Science
  2. California Inst. of Technology (CalTech), Pasadena, CA (United States). Division of Engineering and Applied Science
  3. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Dept. of Physics
  4. Yale Univ., New Haven, CT (United States). Dept. of Applied Physics and Energy Sciences Inst.

We theoretically demonstrate a near-field radiative thermal switch based on thermally excited surface plasmons in graphene resonators. The high tunability of graphene enables substantial modulation of near-field radiative heat transfer, which, when combined with the use of resonant structures, overcomes the intrinsically broadband nature of thermal radiation. In canonical geometries, we use nonlinear optimization to show that stacked graphene sheets offer improved heat conductance contrast between “ON” and “OFF” switching states and that a >10× higher modulation is achieved between isolated graphene resonators than for parallel graphene sheets. In all cases, we find that carrier mobility is a crucial parameter for the performance of a radiative thermal switch. Furthermore, we derive shape-agnostic analytical approximations for the resonant heat transfer that provide general scaling laws and allow for direct comparison between different resonator geometries dominated by a single mode. The presented scheme is relevant for active thermal management and energy harvesting as well as probing excited-state dynamics at the nanoscale.

Research Organization:
Energy Frontier Research Centers (EFRC) (United States). Light-Material Interactions in Energy Conversion (LMI); Solid- State Solar-Thermal Energy Conversion Center (S3TEC)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC0001293
OSTI ID:
1470425
Journal Information:
ACS Nano, Vol. 12, Issue 3; Related Information: LMI partners with California Institute of Technology (lead); Harvard University; University of Illinois, Urbana-Champaign; Lawrence Berkeley National Laboratory; ISSN 1936-0851
Publisher:
American Chemical Society (ACS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 68 works
Citation information provided by
Web of Science

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Cited By (9)

Near-field energy transfer between nanoparticles modulated by coupled multipolar modes journal January 2019
Giant near-field radiative heat transfer between ultrathin metallic films journal January 2019
Control of near-field radiative heat transfer based on anisotropic 2D materials journal August 2018
Gate voltage and doping effects on near-field radiation heat transfer in plasmonic heterogeneous pairs of graphene and black phosphorene journal January 2019
Near-Field Thermal Radiation of Nanopatterned Black Phosphorene Mediated by Topological Transitions of Phosphorene Plasmons journal February 2019
Enhancement and Manipulation of Near-Field Radiative Heat Transfer Using an Intermediate Modulator journal January 2020
Control of near-field radiative heat transfer based on anisotropic 2D materials preprint January 2018
Scalable radiative thermal logic gates based on nanoparticle networks text January 2020
Radiative thermal switch via asymmetric black phosphorus gratings text January 2020