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

Author

Listed:
  • Ren-Jye Shiue

    (Massachusetts Institute of Technology)

  • Yuanda Gao

    (Columbia University)

  • Cheng Tan

    (Columbia University
    Columbia University)

  • Cheng Peng

    (Massachusetts Institute of Technology)

  • Jiabao Zheng

    (Massachusetts Institute of Technology
    Columbia University)

  • Dmitri K. Efetov

    (The Barcelona Institute of Science and Technology)

  • Young Duck Kim

    (Columbia University
    Kyung Hee University)

  • James Hone

    (Columbia University)

  • Dirk Englund

    (Massachusetts Institute of Technology)

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.

Suggested Citation

  • Ren-Jye Shiue & Yuanda Gao & Cheng Tan & Cheng Peng & Jiabao Zheng & Dmitri K. Efetov & Young Duck Kim & James Hone & Dirk Englund, 2019. "Thermal radiation control from hot graphene electrons coupled to a photonic crystal nanocavity," Nature Communications, Nature, vol. 10(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-018-08047-3
    DOI: 10.1038/s41467-018-08047-3
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    Cited by:

    1. Anna P. Ovvyan & Min-Ken Li & Helge Gehring & Fabian Beutel & Sandeep Kumar & Frank Hennrich & Li Wei & Yuan Chen & Felix Pyatkov & Ralph Krupke & Wolfram H. P. Pernice, 2023. "An electroluminescent and tunable cavity-enhanced carbon-nanotube-emitter in the telecom band," Nature Communications, Nature, vol. 14(1), pages 1-9, December.

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