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Issue 21, 2007
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Synthesis of magnesium aluminium layered double hydroxides in reverse microemulsions

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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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Publication details

The article was received on 09 Jan 2007, accepted on 13 Feb 2007 and first published on 15 Mar 2007


Article type: Paper
DOI: 10.1039/B700305F
Citation: 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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