Effect of substrate on surface morphology and photocatalysis of large-scale TiO2 films

▸ TiO2 large-scale films coated on glass, glass with SiO2 layer, ceramic and aluminum. ▸ Substrate effect on surface morphology and photocatalytic activity. ▸ Nature of substrate affects growth of anatase crystallites. ▸ Substrate roughness promotes retention of TiO2 sol. ▸ Photocatalytic activity of films coated on glass with and without SiO2 is comparable.