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Charge Transport in Highly Conducting Polymers

R. S. Bobade, M. S. Bhende, S. V. Pakade (Yawale) and S. P. Yawale

The theoretical ac conductivity σ(ω) of highly conducting polymer is studied. The composite medium is considered as metallic regions randomly distributed in the amorphous parts. Within the metallic regions, the polymer chains are regularly and densely packed, outside which the poorly arranged chains form amorphous host. The metallic grains are connected by resonance quantum tunneling, which occurs through the strongly localized states in the amorphous media.