Fig. 1
From: Colloidal inorganic nano- and microparticles for passive daytime radiative cooling
Copyright 2010, American Chemical Society. c Schematic of SiO2–TPX hybrid metamaterial. d Photograph of 300-mm-wide hybrid metamaterial film. e Emissivity/absorptivity and f outdoor temperature measurement results of the hybrid metamaterial. Reproduced with permission from [44]. Copyright 2017, Science
PDRC films consisting of selective thermal emitters and a metal reflective layer. a Schematic of an RCM comprising SiO2- and SiC-doped PE films. b Measured reflectance spectra of RCMs at thermal radiation wavelengths. Reproduced with permission from [64].