Formation and gelation of titania nanoparticles from AOT reverse micelles

Formation and gelation of titania nanoparticles from AOT reverse micelles

Titania nanoparticles have been produced by the controlled hydrolysis of tetraisopropyltitanate (TPT) in sodium bis(2-ethylhexyl)sulfosuccinate (AOT) reverse micelles. Particle formation and aggregation were investigated by static and dynamic light scattering and the chemical species by vibrational...

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Veröffentlicht in:Journal of sol-gel science and technology 1997-02, Vol.8 (1-3), p.65-69
Hauptverfasser: Moran, P. D., Bartlett, J. R., Woolfrey, J. L., Bowmaker, G. A., Cooney, R. P.
Format: Artikel
Sprache:eng
Schlagworte:
Agglomeration
Anatase
Gelation
Nanoparticles
Organic chemistry
Photon correlation spectroscopy
Pools
Precipitates
Reverse micelles
Sulfosuccinates
Titanium
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Zusammenfassung:Titania nanoparticles have been produced by the controlled hydrolysis of tetraisopropyltitanate (TPT) in sodium bis(2-ethylhexyl)sulfosuccinate (AOT) reverse micelles. Particle formation and aggregation were investigated by static and dynamic light scattering and the chemical species by vibrational spectroscopy.The kinetics of particle formation and aggregation were controlled by varying [H2O]/[AOT] (w0), [H2O]/[Ti(IV)] and [AOT]/[Ti(IV)]. Nanoparticles, with diameters
ISSN:0928-0707
1573-4846
DOI:10.1007/BF02436819