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Issue 12, 2013
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Amphiphilic aminoclay–RGO hybrids: a simple strategy to disperse a high concentration of RGO in water

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Abstract

The aqueous dispersion of graphene or reduced graphene oxide (RGO) is very much important to realize the full potential of these materials in many fields. Herein we present a simple route to prepare highly water dispersible aminoclay–RGO (AC–RGO) hybrids by the in situ condensation of aminoclay over graphene oxide (GO) followed by reduction with hydrazine hydrate. The resultant hybrids are stable in aqueous media even at concentrations up to 7.5 mg RGO per mL. To the best of our knowledge this is the highest concentration of an aqueous dispersion of RGO. Significantly, the hybrids are amphiphilic in nature and show simultaneous adsorption of Cytochrome C through hydrophobic interaction and DNA through electrostatic interaction. This strategy opens up new possibilities for the prospect of RGO in catalysis and biomedical applications.

Graphical abstract: Amphiphilic aminoclay–RGO hybrids: a simple strategy to disperse a high concentration of RGO in water

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Article information


Submitted
04 Mar 2013
Accepted
21 Apr 2013
First published
24 Apr 2013

Nanoscale, 2013,5, 5316-5320
Article type
Communication

Amphiphilic aminoclay–RGO hybrids: a simple strategy to disperse a high concentration of RGO in water

A. Achari, K. K. R. Datta, M. De, V. P. Dravid and M. Eswaramoorthy, Nanoscale, 2013, 5, 5316
DOI: 10.1039/C3NR01108A

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