Nature Communications (Dec 2016)

Radiative cooling to deep sub-freezing temperatures through a 24-h day–night cycle

  • Zhen Chen,
  • Linxiao Zhu,
  • Aaswath Raman,
  • Shanhui Fan

DOI
https://doi.org/10.1038/ncomms13729
Journal volume & issue
Vol. 7, no. 1
pp. 1 – 5

Abstract

Read online

Radiative cooling relies on the atmosphere’s transparency window. Here the authors achieve up to 42 °C drops in temperature for low thermal loads under diffuse sunlight by improving the selectivity of the emissivity and the thermal management of their devices.