“…Baker 99.97%) and distilled water, with 500 mg of TiO 2 , in an ultrasonic bath for 10 min. 18,19,24 The quantity of Anatase and Rutile added was 500 mg, but the Anatase fraction in the powders was changed (1.0, 0.8, 0.7, 0.5, 0.0). As the TiO 2 acquire a negative surface charge in the suspension, the stainless steel foils, employed as substrates for the films, were used as anodes while another stainless steel foil was used as a cathode.…”