Figure 15.

Typical SEM image (a); EDXS spectrum (b) and corresponding element mapping of the TiO₂-SiO₂ composite particles (c–f); (g) RhB solution photodegradation in the presence of ormosil aerogel or TiO₂-SiO₂ composite particles before and after UV irradiation (inserts: color changes of the solution before and after UV irradiation). Optical images of water droplets on (h) TiO₂-SiO₂ composite particle coated cotton fabrics and (i) ormosil aerogel particle coated cotton fabrics before and after adhesion of oleic acid and after UV irradiation for 3 h. (Reprinted from Reference [152] with permission).