Mesoporous tertiary oxides via a novel amphiphilic approach

Natasha Bennett, Annela M. Seddon, James E. Hallett, Winfried Kockelmann, Valeska P. Ting, Sajanikumari Sadasivan, Robert P. Tooze, Simon R. Hall

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Abstract

We report a facile biomimetic sol-gel synthesis using the sponge phase formed by the lipid monoolein as a structure-directing template, resulting in high phase purity, mesoporous dysprosium- and gadolinium titanates. The stability of monoolein in a 1,4-butanediol and water mixture complements the use of a simple sol-gel metal oxide synthesis route. By judicious control of the lipid/solvent concentration, the sponge phase of monoolein can be directly realised in the pyrochlore material, leading to a porous metal oxide network with an average pore diameter of 10 nm.

Original languageEnglish
Article number015701
JournalAPL Materials
Volume4
Issue number1
Early online date28 Sep 2015
DOIs
Publication statusPublished - 1 Jan 2016

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