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Structural study of highly porous nanocomposite aerogels

Carta, Daniela, Corrias, A, Mountjoy, G and Navarra, G (2007) Structural study of highly porous nanocomposite aerogels Journal of Non-Crystalline Solids, 353 (18-21). pp. 1785-1788.

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Abstract

The structural properties of CoFe2O4–SiO2 highly porous nanocomposite aerogels have been investigated by X-ray Absorption Spectroscopy and Transmission Electron Microscopy techniques. The aerogels are obtained by supercritical drying of composite gels obtained using a two step procedure where fast gelation is achieved using urea in the second step. The formation of CoFe2O4 nanocrystals in the silica matrix begins after calcination at 750 °C of the parent aerogel and is complete after calcination at 900 °C, while the high porosity of the sample is mostly retained.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Chemistry
Authors :
NameEmailORCID
Carta, Danielad.carta@surrey.ac.ukUNSPECIFIED
Corrias, AUNSPECIFIEDUNSPECIFIED
Mountjoy, GUNSPECIFIEDUNSPECIFIED
Navarra, GUNSPECIFIEDUNSPECIFIED
Date : 28 March 2007
Identification Number : 10.1016/j.jnoncrysol.2007.02.010
Copyright Disclaimer : Copyright © 2007 Elsevier B.V. All rights reserved.
Uncontrolled Keywords : Nanocrystals TEM/STEM Nanocomposites Aerogels X-ray absorption
Depositing User : Jane Hindle
Date Deposited : 04 Sep 2017 08:23
Last Modified : 04 Sep 2017 08:23
URI: http://epubs.surrey.ac.uk/id/eprint/842141

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