Mesoporous tertiary oxides via a novel amphiphilic approach

Bennett, Natasha; Seddon, Annela M.; Hallett, James E.; Kockelmann, Winfried; Ting, Valeska P.; Sadasivan, Sajanikumari; Tooze, Robert P.; Hall, Simon R.
APL Materials, 2015

We report a facile biomimetic sol-gel synthesis using the sponge phase formed by the lipidmonoolein 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.

Keywords: Ganesha, Bioscience, Composites