Issue 8, 2009
From the journal:

Journal of Materials Chemistry

Nucleation and growth of oriented layered hydroxides on polymer resin beads

Yi Du,a   Gang Hua  and  Dermot O'Hare*a  

* Corresponding authors

a Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Mansfield Road, Oxford, UK
E-mail: dermot.ohare@chem.ox.ac.uk
Fax: +44 (0)1865 285131
Tel: +44 (0)1865 285130

Abstract

Two types of layered metal hydroxides (layered Mg/Al double hydroxides and cobalt hydroxides) have been grown on the surface of cation-exchanged polymer resin beads. SEM images of the Mg/Al double hydroxide that nucleated on the surface of the Mg2+/Al3+-exchanged resin beads show it to have an initial LDH shell of ca. 150 nm and that this shell is constructed from a monolayer of LDH crystallites aligned edge-on. At longer reaction times LDH particles grow on top of this shell and lie flat on the surface. The overall thickness of the LDH coating is ca. 180 nm and it has been shown to have uniformly grown on the surface of the polymer bead. Layered α and β-type cobalt hydroxide can also be grown on the surface of Co2+-exchange resin beads.

Graphical abstract: Nucleation and growth of oriented layered hydroxides on polymer resin beads

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Article information

DOI
https://doi.org/10.1039/B812424H
Article type
Paper
Submitted
21 Jul 2008
Accepted
02 Dec 2008
First published
22 Jan 2009

J. Mater. Chem., 2009,19, 1160-1165

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Nucleation and growth of oriented layered hydroxides on polymer resin beads

Y. Du, G. Hu and D. O'Hare, J. Mater. Chem., 2009, 19, 1160 DOI: 10.1039/B812424H

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