Study on the Superhydrophilicity of the SiO₂-TiO₂Thin Films Prepared by Sol-Gel Method at Room Temperature

Effect of heat treatment on corrosion properties of mixed sol gel silica–titania (7–3) coating

“…From measured corrosion values, it is possible to estimate the porosity of the coating using the following equation [12]:…”

An Organic–Inorganic Hybrid Composite as a Coating Agent

“…In addition, both TMSS BY11-018 and octylsilyl groups on the surface of the OSI-TIO2-35 particle were transformed to silica by the calcination. All the hydrophobic groups thus disappeared and the surface was transformed to a SiO 2 -TiO 2 composite film that was reported to exhibit highly hydrophilic properties [23,24].…”

“…The water contact angle gradually increases within minutes to hours after stopping the irradiation. In contrast, the highly hydrophilic properties of sol-gel derived SiO 2 -TiO 2 composite films persists [23,24]. In these cases, the highly hydrophilic property is not due to the photocatalysis of titanium dioxide, but has been attributed to an enhanced acidity at the SiO 2 -TiO 2 interfaces.…”

Natural superhydrophilic TiO2/SiO2 composite thin films deposited by radio frequency magnetron sputtering

“…It has been reported that the addition of SiO 2 into TiO 2 films enhances the photo-induced superhydrophilicity. The superhydrophilicity can be maintained for a certain time in the absence of UV radiation [4,[9][10][11]. Guan et al [10,12] have suggested that SiO 2 addition might increase the surface acidity of SiO 2 -TiO 2 films, which would improve the hydroxyl content at the surface of composite films, resulting in enhanced photo-hydrophilic properties.…”