A review of tunable wavelength selectivity of metamaterials in near-field and far-field radiative thermal transport

Yanpei Tian, Alok Ghanekar, Matt Ricci, Mikhail Hyde, Otto Gregory, Yi Zheng

Research output: Contribution to journalArticlepeer-review

31 Scopus citations

Abstract

Radiative thermal transport of metamaterials has begun to play a significant role in thermal science and has great engineering applications. When the key features of structures become comparable to the thermal wavelength at a particular temperature, a narrowband or wideband of wavelengths can be created or shifted in both the emission and reflection spectrum of nanoscale metamaterials. Due to the near-field effect, the phenomena of radiative wavelength selectivity become significant. These effects show strong promise for applications in thermophotovoltaic energy harvesting, nanoscale biosensing, and increased energy efficiency through radiative cooling in the near future. This review paper summarizes the recent progress and outlook of both near-field and far-field radiative heat transfer, different design structures of metamaterials, applications of unique thermal and optical properties, and focuses especially on exploration of the tunable radiative wavelength selectivity of nano-metamaterials.
Original languageEnglish (US)
JournalMATERIALS
Volume11
Issue number5
DOIs
StatePublished - May 22 2018
Externally publishedYes

ASJC Scopus subject areas

  • General Materials Science

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