Pyrolysis study of a hydride-sol-gel silica
β Scribed by R. Campostrini; A. Sicurelli; M. Ischia; G. Carturan
- Publisher
- Springer Netherlands
- Year
- 2007
- Tongue
- English
- Weight
- 258 KB
- Volume
- 89
- Category
- Article
- ISSN
- 0022-5215
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Titania-silica composite nanoparticles were prepared by sol-gel-hydrothermal and sol-gel routes, respectively, and their physicochemical and photocatalytic properties were compared. The results of XRD, TEM and BET surface areas showed that sol-gelhydrothermal route led to anatase titania-silica comp
The sol-gel transition of the system tetramethylorthosilicate-water-methanol under basic conditions has been studied by rheological measurements. The gelation time t(g) has been determined from the measurements of the elastic G' and viscous G'' moduli as a function of time at different frequencies a