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International Journal of Latest Research in Science and Technology

DOI:10.29111/ijlrst   ISRA Impact Factor:3.35,  Peer-reviewed, Open-access Journal

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IONICS CONDUCTION VIA CORRELATED BARRIER HOPING MECHANISM IN CMC?SA SOLID BIOPOLYMER ELECTROLYTES

Research Paper Open Access

International Journal of Latest Research in Science and Technology Vol.1 Issue 2, pp 70-75,Year 2012

IONICS CONDUCTION VIA CORRELATED BARRIER HOPING MECHANISM IN CMC?SA SOLID BIOPOLYMER ELECTROLYTES

Z. Ahmad and M.I.N. Isa

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Received : 12 August 2012; Accepted : 23 August 2012 ; Published : 31 August 2012

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Abstract

The relationship between electrical and ionic transport properties has been investigated in the carboxymethyl cellulose (CMC)–salicylic acid (SA) system in the SA content range of 0–7 wt%. Furthermore, the dielectric permittivity ( *) and the modulus (M*) permittivity properties of the CMC–SA system, as measured with electrical impedance spectroscopy (EIS) at ambient and elevated temperature have been explored. The conductivity of the CMC–SA was found to increase relatively to the SA content and temperature. The highest ionic conductivity at room temperature (303K) is 4.02 x 10-7 Scm-1 for sample containing 5wt% of SA and increases to 4.67 x 10-6 Scm-1 at 363K. The relation between the conductivity and ionic transport was linear. The conductivity was found to be capsized with the activation energy. The Correlated Barrier Hopping (CBH) is the best possible mechanism to present the hopping method in the CMC–SA system studied.

Key Words   
Ionic transport, dielectric behaviour, CBH mechani

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To cite this article

Z. Ahmad and M.I.N. Isa , " Ionics Conduction Via Correlated Barrier Hoping Mechanism In Cmc?sa Solid Biopolymer Electrolytes ", International Journal of Latest Research in Science and Technology . Vol. 1, Issue 2, pp 70-75 , 2012

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