Fig. 5
From: Colloidal inorganic nano- and microparticles for passive daytime radiative cooling
Copyright 2020, American Chemical Society. f Colored coating composed of SiO2-Ag core-shell NPs embedded in silica. Reproduced with permission from [79]. Copyright 2020, American Chemical Society. g Schematic of bilayer colored PDRC coating consisting of a layer composed of plasmonic spheres and another layer composed of randomly dispersed dielectric spheres. h Spectral reflectance of white SiO2 and colored coatings. Reproduced with permission from [80]. Copyright 2022, Elsevier
a Design principle of colored RCMs using photonic opal crystals. Bright-field optical microscopy (top) and SEM (bottom) images of b reddish, c greenish, and d bluish opals. e Experimentally measured absorptivity/emissivity of colored opals in the mid-IR regions. Reproduced with permission from [78].