Spectrally selective thermal emission from graphene decorated with silver nanodisks

Jayden D. Craft; Muhammad Waqas Shabbir; Dirk R. Englund; Richard M. Osgood III; Michael N. Leuenberger

doi:10.1117/12.2692387

5 October 2023 Spectrally selective thermal emission from graphene decorated with silver nanodisks

Jayden D. Craft, Muhammad Waqas Shabbir, Dirk R. Englund, Richard M. Osgood III, Michael N. Leuenberger

Proceedings Volume 12648, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XXI; 126480K (2023) https://doi.org/10.1117/12.2692387
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States

Conference Poster

Abstract

We show that graphene decorated with Ag nanodisks realizes spectrally selective thermal emission by means of acoustic graphene plasmons (AGPs) localized between graphene and the Ag nanodisks inside a dielectric material. Our finite-difference time domain (FDTD) calculations show that the spectrally selective thermal radiation emission can be tuned by means of a gate voltage into two different wavelength regimes, namely the atmospherically opaque regime between λ = 5 μm and λ = 8 μm or the atmospherically transparent regime between λ = 8 μm and λ = 12 μm. This allows for electrical switching between a radiative heat trapping mode for the former regime and a radiative cooling mode for the latter regime.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Jayden D. Craft, Muhammad Waqas Shabbir, Dirk R. Englund, Richard M. Osgood III, and Michael N. Leuenberger "Spectrally selective thermal emission from graphene decorated with silver nanodisks", Proc. SPIE 12648, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XXI, 126480K (5 October 2023); https://doi.org/10.1117/12.2692387

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