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Electrochemical characterization of a templated insulating polymer-modified electrode

Electrochemical characterization of a templated insulating polymer-modified electrode
Electrochemical characterization of a templated insulating polymer-modified electrode
The controllable permselective behavior of templated poly-(1,2-diaminobenzene)-moditied electrodes is illustrated, The electrochemical behavior of polymer films prepared from several media, conventional aqueous solution, liquid crystalline micellar solution, and liquid crystalline hexagonal phase solution, were compared using several cationic and anionic redox probes. Films deposited from the hexagonal liquid crystalline phase were shown to be ion selective, allowing positively charged ions through to read at the electrode surface while excluding negatively charged ions. This permselective behavior was unique to the hexagonally templated films and was not exhibited by films deposited from either the conventional aqueous or the micellar media (which were completely blocking to both types of ion). In addition, it was shown that by altering the ionic strength of the background electrolyte control over the charge selective behavior of the hexagonally templated films was possible.
films, 1, 2-diaminobenzene, selectivity, biosensors, permeation, oxidation, membranes, metals, sensor, thin
0003-2700
2855-2861
Elliott, J.M.
7f323ba1-3e5a-471c-8088-54c5dacc81a9
Cabuché, L.M.
25f976eb-15f0-48b1-800b-2df9645e12bb
Bartlett, P.N.
d99446db-a59d-4f89-96eb-f64b5d8bb075
Elliott, J.M.
7f323ba1-3e5a-471c-8088-54c5dacc81a9
Cabuché, L.M.
25f976eb-15f0-48b1-800b-2df9645e12bb
Bartlett, P.N.
d99446db-a59d-4f89-96eb-f64b5d8bb075

Elliott, J.M., Cabuché, L.M. and Bartlett, P.N. (2001) Electrochemical characterization of a templated insulating polymer-modified electrode. Analytical Chemistry, 73 (13), 2855-2861. (doi:10.1021/ac001160w).

Record type: Article

Abstract

The controllable permselective behavior of templated poly-(1,2-diaminobenzene)-moditied electrodes is illustrated, The electrochemical behavior of polymer films prepared from several media, conventional aqueous solution, liquid crystalline micellar solution, and liquid crystalline hexagonal phase solution, were compared using several cationic and anionic redox probes. Films deposited from the hexagonal liquid crystalline phase were shown to be ion selective, allowing positively charged ions through to read at the electrode surface while excluding negatively charged ions. This permselective behavior was unique to the hexagonally templated films and was not exhibited by films deposited from either the conventional aqueous or the micellar media (which were completely blocking to both types of ion). In addition, it was shown that by altering the ionic strength of the background electrolyte control over the charge selective behavior of the hexagonally templated films was possible.

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More information

Published date: 2001
Keywords: films, 1, 2-diaminobenzene, selectivity, biosensors, permeation, oxidation, membranes, metals, sensor, thin

Identifiers

Local EPrints ID: 19471
URI: https://eprints.soton.ac.uk/id/eprint/19471
ISSN: 0003-2700
PURE UUID: 992dae71-8ceb-4345-83a6-55d439d88227
ORCID for P.N. Bartlett: ORCID iD orcid.org/0000-0002-7300-6900

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Date deposited: 15 Feb 2006
Last modified: 20 Jul 2019 01:22

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Contributors

Author: J.M. Elliott
Author: L.M. Cabuché
Author: P.N. Bartlett ORCID iD

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