Chitosan Based Film Electrolytes Doped Oleic Acid: An Electrical Study

Idris, Nor Kartini; Aziz, N. A. Nik; Ramli, S.; Isa, M. Ikmar Nizam

doi:doi:10.1063/1.2940651

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AIP Conference Proceedings / Volume 1017

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Chitosan Based Film Electrolytes Doped Oleic Acid: An Electrical Study

AIP Conf. Proc. 1017, pp. 315-320; doi:http://dx.doi.org/10.1063/1.2940651 (6 pages)

CURRENT ISSUES OF PHYSICS IN MALAYSIA: National Physics Conference 2007 ‐ PERFIK 2007

Date: 26–28 December 2007

Location: Kuala Terengganu (Malaysia)

Nor Kartini Idris, N. A. Nik Aziz, S. Ramli, and M. Ikmar Nizam Isa

Department of Physical Sciences, Faculty of Science and Technology, University Malaysia Terengganu, 21030 Kuala Terengganu, Malaysia

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1g chitosan was dissolved in l00 mL of 1% acetic acid solution to prepare a chitosan acetate solution. The solution was then mixed with oleic acid. This chitosan acetate‐oleic acid was then made into thin film by the solution cast technique. The conductivity of the samples was measured from ambient to elevated temperature. The highest conductivity of the chitosan‐salt with 10 wt % oleic acid (OA) at room temperature was 8.35×10⁻⁹ Scm⁻¹. The addition of OA has increased the dielectric constant, which implies the increase of dissociation of the salt thereby producing more free ions for conducting and hence increases the ionic conductivity.