... widely used in the fields of air purification, wastewater treatment, paint, cosmetics, plastics, textiles, ceramics, glass, odor removal and ... antifouling fabrics);produce highly pigmenting metallic finish and antirust paint for cars; and produce germ-repellent and air-purifying ... paint. Photocatalytic Mechanism of Nano-TiO2 Nano-TiO2 photocatalytic ...