Preparation and characterization of photocatalytic TiO2/WO3 films on functionalized stainless steel

Fabrication of bio-inspired metal-based superhydrophilic and underwater superoleophobic porous materials by hydrothermal treatment and magnetron sputtering

“…During the UV illumination, the electrons generated in TiO 2 transfer to WO 3 , while the holes generated in WO 3 transfer to TiO 2 due to the large positive potential of the balance and conduction bands of WO 3 . 40,41 Meanwhile, the photo-induced holes in TiO 2 react with water and generate -OH radicals, which oxidize organic compounds on the surface of TiO 2 and increase the hydrogen bonds with water, which determines the hydrophilicity. 41,42…”

“…40,41 Meanwhile, the photo-induced holes in TiO 2 react with water and generate -OH radicals, which oxidize organic compounds on the surface of TiO 2 and increase the hydrogen bonds with water, which determines the hydrophilicity. 41,42…”

Review—Recent Progress in Low Temperature Synthesis of Crystalline TiO2 Photocatalytic Films by Highly Controllable Electrodeposition

“…Crystalline and porous TiO 2 thin films are of high importance as n-type electron conducting materials in the photovoltaic community (often called mesoscopic TiO 2 film), e.g., for dye sensitized solar cells (DSSC) or perovskite solar cells (PSC). Nevertheless, the corresponding surface features meet the general requirements that Nanoparticles of TiO 2 composed of anatase, rutile and brookite, photocatalytically active 81,82…”

“…Youssef et al produced TiO 2 photocatalyst coatings by applying the technique of pulsed electrophoretic deposition on stainless steel, which decreased bubble formation in comparison to the dc method. 81,82 A pulse cycle of 10 kHz at 20 V was applied with a duty cycle of 50%. After deposition, the films were dried in air for 1 d. The TiO 2 particles of the applied suspension were produced by a hydrolysis reaction of TiCl 4 with chloride removal (via a dialysis tubing membrane) and a subsequent drying step at 120 °C.…”

“…The concept was later extended by doping TiO 2 with WO 3 . 81 Anodizing.-Another way for the production of porous TiO 2 surfaces is anodizing the titanium metal substrate. This is successfully carried out at ambient temperature by the application of a high positive electrochemical potential (approx.…”