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Analysis of Electrochemical Impedance of Dilithium Phthalocyanine

Munichandraiah, N and Sakthivel, K and Scanlon, LG (2005) Analysis of Electrochemical Impedance of Dilithium Phthalocyanine. In: Electrochemical and Solid State Letters, 8 (5). E45-E48.

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Abstract

Dilithium phthalocyanine (Li2Pc) possesses mixed electronic-ionicconductivity due to overlap of pi-pi orbitals (electronic) and mobilityof Li+ ion (ionic) in a channel formed due to stacking of themacromolecules. Electrochemical impedance measurements provideseparation of electronic and ionic conductivities. The temperaturedependence studies are employed for calculation of activation energies.The electronic conductivity shows a marked increase on applying dc biasvoltage across a symmetrical cell of Li2Pc with blocking electrodes,whereas the ionic conductivity is marginally influenced.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Electrochemical Society.
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited: 20 May 2005
Last Modified: 25 Jan 2012 09:58
URI: http://eprints.iisc.ernet.in/id/eprint/3226

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