However, the wide band gap of TiO2 (anatase of 3.2 eV, rutile 3.0 eV.) limits the absorption wavelength less than 378 nm. Many researchers have done a lot of work to extend the light responsible of TiO2 from ultraviolet (UV) to the visible light region
However, the wide bandgap of TiO2 (anatase of 3.2 eV, rutile 3.0 eV.) limits the absorption wavelength less than 378 nm. Manyresearchers have done a lot of work to extend the light responsible of TiO2 from ultraviolet (UV) to thevisible light region