Issue 21, 2007
From the journal:

Journal of Materials Chemistry

Synthesis of magnesium aluminium layered double hydroxides in reverse microemulsions†

Gang Hu,a   Nan Wang,a   Dermot O'Hare*a  and  Jason Davisa  

* Corresponding authors

a Chemistry Research Laboratory, Mansfield Road, Oxford, United Kingdom
E-mail: dermot.ohare@chem.ox.ac.uk

Abstract

Reverse microemulsions have been used to control the nucleation and growth of magnesium aluminium layered double hydroxides (LDH). The reactants were prepared in aqueous solution and then dispersed in an isooctane–sodium dodecyl sulfate (DDS) microemulsion. Under these conditions magnesium aluminium LDH phases were obtained containing DDS as the charge-balancing interlayer anion. By adjusting the water : surfactant molar ratio (w = [H2O]/[Surf.]) of the microemulsion we were able to control the nucleation and growth of the LDH phases. In some cases LDH nanoplatelets exhibiting a uniform 14 Å monolayer thickness could be isolated and characterized by AFM.

Graphical abstract: Synthesis of magnesium aluminium layered double hydroxides in reverse microemulsions

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Article information

DOI
https://doi.org/10.1039/B700305F
Article type
Paper
Submitted
09 Jan 2007
Accepted
13 Feb 2007
First published
15 Mar 2007

J. Mater. Chem., 2007,17, 2257-2266

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Synthesis of magnesium aluminium layered double hydroxides in reverse microemulsions

G. Hu, N. Wang, D. O'Hare and J. Davis, J. Mater. Chem., 2007, 17, 2257 DOI: 10.1039/B700305F

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