Characterisation and functionalisation of cold-processed titania sol-gel layers on silica and silicate surfaces

Sol-Gel Derived Titania Coating on Titanium Substrate

     The synthesis of titania via sol-gel method has been widely studied. In the present work, titania was deposited onto a titanium substrat...

Sol‐gel silicate thin‐film electronic properties

Formation of bimodal porous silica-titania monoliths by sol-gel route

Silica-titania monoliths with micrometer-scale macroporous and nanometer-scale mesoporous structure and high titania contents are prepared by sol-gel process and phase separation. Titanium alkoxide precursor was not effective in the preparation of high titania content composites because of strong decrease in phase separation tendency. Bimodal porous gels with high titania content were obtained ...

Ternary Phase-Separation Investigation of Sol-Gel Derived Silica from Ethyl Silicate 40

A ternary phase-separation investigation of the ethyl silicate 40 (ES40) sol-gel process was conducted using ethanol and water as the solvent and hydrolysing agent, respectively. This oligomeric silica precursor underwent various degrees of phase separation behaviour in solution during the sol-gel reactions as a function of temperature and H2O/Si ratios. The solution composition within the immi...

The controlled release of drugs from emulsified, sol gel processed silica microspheres.

Controlled release silica sol gels are room temperature processed, porous, resorbable materials with generally good compatibility. Many molecules including drugs, proteins and growth factors can be released from sol gels and the quantity and duration of the release can vary widely. Processing parameters render these release properties exquisitely versatile. The synthesis of controlled release s...