Electrical behavior of proton-conducting chitosan-phosphoric acid-based electrolytes

Majid, Siti Rohana and Arof, Abdul Kariem (2007) Electrical behavior of proton-conducting chitosan-phosphoric acid-based electrolytes. Physica B: Condensed Matter, 390 (1-2). pp. 209-215. ISSN 0921-4526, DOI https://doi.org/10.1016/j.physb.2006.08.038.

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Official URL: https://doi.org/10.1016/j.physb.2006.08.038


Dielectric and AC conductivity studies have been carried out for chitosan-based proton-conducting electrolytes. Chitosan-phosphoric acid (CP) and chitosan composite (CPS) electrolytes were prepared using the solution cast method. In both systems, the frequency dependence of epsilon(r), M-i and tan delta is non-Debye type. The AC conductivity in both electrolytes follows the Jonscher power law. Conduction mechanism studies show that the CP sample follows the quantum mechanical tunneling (QMT) model and the CPS electrolyte follows the overlapping large polaron-tunneling (OLPT) model. (c) 2006 Elsevier BN. All rights reserved.

Item Type: Article
Additional Information: Department of Physics, Faculty of Science Building, University of Malaya, 50603 Kuala Lumpur, MALAYSIA
Uncontrolled Keywords: Chitosan; Proton-conducting electrolyte; Conductivity; Conduction model; Non-Debye relaxation
Subjects: Q Science > QC Physics
Divisions: Faculty of Science > Department of Physics
Depositing User: Miss Malisa Diana
Date Deposited: 31 Jul 2013 01:49
Last Modified: 27 Aug 2019 01:29
URI: http://eprints.um.edu.my/id/eprint/7591

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