A Metamaterial Emitter for Highly Efficient Radiative Cooling

A Metamaterial Emitter for Highly Efficient Radiative Cooling

A metamaterial thermal emitter for highly efficient radiative cooling is demonstrated. The emitter selectively radiates within the atmospheric transparency window and minimizes absorption of atmospheric radiation outside the transparency window. Exploiting its intriguing radiative properties, the em...

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Veröffentlicht in:Advanced optical materials 2015-08, Vol.3 (8), p.1047-1051
Hauptverfasser: Hossain, Md Muntasir, Jia, Baohua, Gu, Min
Format: Artikel
Sprache:eng
Schlagworte:
Ambient temperature
Atmospheric radiation
Atmospherics
Cooling
Emittance
Metamaterials
Optical materials
Optics
radiative cooling
selective emitters
thermal radiation
Windows (computer programs)
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Zusammenfassung:A metamaterial thermal emitter for highly efficient radiative cooling is demonstrated. The emitter selectively radiates within the atmospheric transparency window and minimizes absorption of atmospheric radiation outside the transparency window. Exploiting its intriguing radiative properties, the emitter has the ability to deliver a remarkably high cooling power of more than 100 W m−2 and to cool down 12 °C below the ambient temperature.
ISSN:2195-1071
2195-1071
DOI:10.1002/adom.201500119