Ultrafine TiO2 acts as a photocatalyst in the presence of ultraviolet light that initiates the reaction with atmospheric pollutants. Some ultrafine TiO2 grades show activity also in the visible ...

Photocatalytic “smog-eating” surfaces promise local pollution reduction in Delhi, but experts warn they are no silver bullet.

Titanium dioxide (TiO 2) nanoparticles have a high refractive index (n = 2.4), making them ideal for various applications, including medicines, coatings, inks, plastics, food, cosmetics, and textiles.