Superhydrophobic PVDF/SiO2 composite films with a hierarchical structure for highly stabilized radiative cooling

PVDF/SiO₂ composite films with a hierarchical structure were prepared by water bath solvent exchange and they realized the integration of self-cleaning and radiative cooling. The high scattering properties of SiO₂ effectively enhanced the radiative cooling performance of the films, and the weathering stability of the composite films was evaluated by UV radiation treatment and friction resistance analysis.