Fig. 1: Preparation and characterization of the POA/fluoroPOS@silica coatings.
From: Durable superhydrophobic coatings for prevention of rain attenuation of 5G/weather radomes
Schematic preparation of the (a) fluoroPOS@silica nanoparticles and b POA/fluoroPOS@silica coatings. “d” in (b) is the mean distance between protrusions. c, d Surface and (e) cross-sectional scanning electron microscopic (SEM) images of the coating. f Fourier transform infrared (FTIR) spectrum of POA/fluoroPOS@silica. g X-ray photoelectron spectrum (XPS) and (h) high-resolution C 1s spectrum of the POA/fluoroPOS@silica coating.
