Exfoliated clay/polyaniline nanocomposites through tandem diazonium cation exchange reactions and in situ oxidative polymerization of aniline

Robust, conductive clay/polyaniline nanocomposites were prepared through a simple approach which consists of in situ polymerizing aniline, in the presence of the 4-diphenylamine diazonium-modified bentonite. XPS measurements indicate that clay experiences a cation exchange of sodium by the diazonium...

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Bibliographic Details
Published in:RSC advances 2014-01, Vol.4 (11), p.65213-65222
Main Authors: Jlassi, Khouloud, Mekki, Ahmed, Benna-Zayani, Mémia, Singh, Ajay, Aswal, Dinesh K, Chehimi, Mohamed M
Format: Article
Language:English
Subjects:
Aniline
Bentonite
Cation exchanging
Clay (material)
Exchange
Exfoliation
Nanocomposites
Polyanilines
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Summary:Robust, conductive clay/polyaniline nanocomposites were prepared through a simple approach which consists of in situ polymerizing aniline, in the presence of the 4-diphenylamine diazonium-modified bentonite. XPS measurements indicate that clay experiences a cation exchange of sodium by the diazonium, and the polyaniline is present in large amounts at the nanocomposite surface. As judged by XRD, the clay basal distance increased from 13.7 to 16.2 Å after diazonium modification, whilst, after the in situ polymerization of aniline, the clay characteristic peak at low angle (
ISSN:2046-2069
2046-2069
DOI:10.1039/c4ra10329g