Issue 2, 2006
From the journal:

Journal of Materials Chemistry

Controlled growth of titania nanospheres in supercritical carbon dioxide using a novel surfactant stabilised precursor†

Suela Kellici,a   Ihtesham Rehmanb  and  Jawwad Darr*a  

* Corresponding authors

a Department of Materials, Queen Mary University of London, Mile End Road, London, U.K
E-mail: j.a.darr@qmul.ac.uk
Web: http://www.qmul.co.uk
Fax: +44 870 1303766
Tel: +44 207 8825191

b IRC in Biomedical Materials, Queen Mary University of London, Mile End Road, London, U.K

Abstract

Titania nanospheres have been synthesised via the controlled hydrolysis of a mixture of novel precursor [Ti(OPri)3(Krytox)]n and titanium (IV) isopropoxide, [Ti(OPri)4], in supercritical carbon dioxide (sc-CO2). The use of sc-CO2 in the reaction, eliminates the need for organic solvents, optimises manufacturing efficiency and produces materials with tailored properties; additionally the use of the functionalised precursor [Ti(OPri)3(Krytox)]n, during co-hydrolysis with [Ti(OPri)4], gave a significantly narrower particle size distribution for the products than when the functionalised compound was not present.

Graphical abstract: Controlled growth of titania nanospheres in supercritical carbon dioxide using a novel surfactant stabilised precursor

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Article information

DOI
https://doi.org/10.1039/B510857H
Article type
Communication
Submitted
29 Jul 2005
Accepted
17 Oct 2005
First published
26 Oct 2005

J. Mater. Chem., 2006,16, 159-161

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Controlled growth of titania nanospheres in supercritical carbon dioxide using a novel surfactant stabilised precursor

S. Kellici, I. Rehman and J. Darr, J. Mater. Chem., 2006, 16, 159 DOI: 10.1039/B510857H

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