Issue 8, 2012

Non-covalently functionalized graphene for the potentiometric sensing of zinc ions

Abstract

The possibility of the application of non-covalently functionalized graphene as a sensing membrane for the potentiometric determination of zinc ions was examined. A graphene carboxylic derivative was functionalized with 1-(2-pyridylazo)-2-naphthol, the Zn2+ ions complexing ligand, simply by adsorption of ligand molecules due to π–π interactions. This approach has resulted in a potentiometric sensor characterized with significant selectivity for Zn2+ ions present in solution.

Graphical abstract: Non-covalently functionalized graphene for the potentiometric sensing of zinc ions

Article information

Article type
Paper
Submitted
26 Oct 2011
Accepted
26 Jan 2012
First published
08 Mar 2012

Analyst, 2012,137, 1895-1898

Non-covalently functionalized graphene for the potentiometric sensing of zinc ions

E. Jaworska, W. Lewandowski, J. Mieczkowski, K. Maksymiuk and A. Michalska, Analyst, 2012, 137, 1895 DOI: 10.1039/C2AN16016A

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