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Title: Thermal radiation control from hot graphene electrons coupled to a photonic crystal nanocavity

Abstract

Controlling thermal radiation is central in a range of applications including sensing, energy harvesting, and lighting. The thermal emission spectrum can be strongly modified through the electromagnetic local density of states (EM LDOS) in nanoscale-patterned metals and semiconductors. However, these materials become unstable at high temperature, preventing improvements in radiative efficiency and applications such as thermophotovoltaics. Here, we report stable high-temperature thermal emission based on hot electrons (>2000 K) in graphene coupled to a photonic crystal nanocavity, which strongly modifies the EM LDOS. The electron bath in graphene is highly decoupled from lattice phonons, allowing a comparatively cool temperature (700 K) of the photonic crystal nanocavity. This thermal decoupling of hot electrons from the LDOS-engineered substrate opens a broad design space for thermal emission control that would be challenging or impossible with heated nanoscale-patterned metals or semiconductor materials.

Authors:
 [1];  [2];  [2];  [1];  [3];  [4]; ORCiD logo [5];  [2]; ORCiD logo [1]
  1. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
  2. Columbia Univ., New York, NY (United States)
  3. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States); Columbia Univ., New York, NY (United States)
  4. Barcelona Institute of Science and Technology (BIST), Tarragona (Spain)
  5. Columbia Univ., New York, NY (United States); Kyung Hee Univ., Seoul (Korea)
Publication Date:
Research Org.:
Energy Frontier Research Centers (EFRC) (United States). Center for Excitonics (CE); Brookhaven National Lab. (BNL), Upton, NY (United States); Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1566608
Grant/Contract Number:  
SC0012704; SC0001088
Resource Type:
Accepted Manuscript
Journal Name:
Nature Communications
Additional Journal Information:
Journal Volume: 10; Journal Issue: 1; Journal ID: ISSN 2041-1723
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
14 SOLAR ENERGY; solar (photovoltaic); solid state lighting; photosynthesis (natural and artificial); charge transport; optics; synthesis (novel materials); synthesis (self-assembly); synthesis (scalable processing)

Citation Formats

Shiue, Ren-Jye, Gao, Yuanda, Tan, Cheng, Peng, Cheng, Zheng, Jiabao, Efetov, Dmitri K., Kim, Young Duck, Hone, James, and Englund, Dirk. Thermal radiation control from hot graphene electrons coupled to a photonic crystal nanocavity. United States: N. p., 2019. Web. doi:10.1038/s41467-018-08047-3.
Shiue, Ren-Jye, Gao, Yuanda, Tan, Cheng, Peng, Cheng, Zheng, Jiabao, Efetov, Dmitri K., Kim, Young Duck, Hone, James, & Englund, Dirk. Thermal radiation control from hot graphene electrons coupled to a photonic crystal nanocavity. United States. doi:10.1038/s41467-018-08047-3.
Shiue, Ren-Jye, Gao, Yuanda, Tan, Cheng, Peng, Cheng, Zheng, Jiabao, Efetov, Dmitri K., Kim, Young Duck, Hone, James, and Englund, Dirk. Thu . "Thermal radiation control from hot graphene electrons coupled to a photonic crystal nanocavity". United States. doi:10.1038/s41467-018-08047-3. https://www.osti.gov/servlets/purl/1566608.
@article{osti_1566608,
title = {Thermal radiation control from hot graphene electrons coupled to a photonic crystal nanocavity},
author = {Shiue, Ren-Jye and Gao, Yuanda and Tan, Cheng and Peng, Cheng and Zheng, Jiabao and Efetov, Dmitri K. and Kim, Young Duck and Hone, James and Englund, Dirk},
abstractNote = {Controlling thermal radiation is central in a range of applications including sensing, energy harvesting, and lighting. The thermal emission spectrum can be strongly modified through the electromagnetic local density of states (EM LDOS) in nanoscale-patterned metals and semiconductors. However, these materials become unstable at high temperature, preventing improvements in radiative efficiency and applications such as thermophotovoltaics. Here, we report stable high-temperature thermal emission based on hot electrons (>2000 K) in graphene coupled to a photonic crystal nanocavity, which strongly modifies the EM LDOS. The electron bath in graphene is highly decoupled from lattice phonons, allowing a comparatively cool temperature (700 K) of the photonic crystal nanocavity. This thermal decoupling of hot electrons from the LDOS-engineered substrate opens a broad design space for thermal emission control that would be challenging or impossible with heated nanoscale-patterned metals or semiconductor materials.},
doi = {10.1038/s41467-018-08047-3},
journal = {Nature Communications},
number = 1,
volume = 10,
place = {United States},
year = {2019},
month = {1}
}

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