Formation of TiO2 nanoparticles in water-in-CO2 microemulsions

Titanium dioxide nanoparticles can be produced by the controlled hydrolysis of titanium tetraisopropoxide in water-in-CO2 (w/c) microemulsions stabilized with the surfactants ammonium carboxylate perfluoropolyether (PFPE-NH4) and poly(dimethyl amino ethyl methacrylate-block-1H,1H,2H,2H-perfluoroocty...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2002-01 (14), p.1528-1529
Main Authors: Lim, Kwon Taek, Hwang, Ha Soo, Lee, Man Sig, Lee, Gun Dae, Hong, Seong-Soo, Johnston, Keith P
Format: Article
Language:English
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Summary:Titanium dioxide nanoparticles can be produced by the controlled hydrolysis of titanium tetraisopropoxide in water-in-CO2 (w/c) microemulsions stabilized with the surfactants ammonium carboxylate perfluoropolyether (PFPE-NH4) and poly(dimethyl amino ethyl methacrylate-block-1H,1H,2H,2H-perfluorooctyl methacrylate) (PDMAEMA-b-PFOMA); the greater control of hydrolysis and particle growth with PDMAEMA-b-PFOMA is consistent with the differences in the stabilities and interactions for these two microemulsions.
ISSN:1359-7345
1364-548X
DOI:10.1039/b203740h