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
Sol-Gel Synthesis and Spray Granulation of Porous Titania Powder
✍ Scribed by Jinsoo Kim; Ki-Chang Song; Oliver Wilhelm; Sotiris E. Pratsinis
- Publisher
- John Wiley and Sons
- Year
- 2001
- Tongue
- German
- Weight
- 318 KB
- Volume
- 73
- Category
- Article
- ISSN
- 0009-286X
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This work reports the sol -gel synthesis and characterisation of inorganic/organic mesostructured titania-based layers obtained by the selfassembly of inorganic species and surfactants. Films have been prepared by dip-coating from solutions of prehydrolysed titanium isobutoxide (Ti(i-OC 4 H 9 ) 4 )
Mesoporous titania and mesoporous silica±titania materials have been successfully synthesized by using organic compound urea as template (or pore-forming agent) via sol±gel reactions of tetrabutyl titanate alone and with tetraethyl orthosilicate, respectively, followed by removing the urea by extrac