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Electrical Conduction in Polystyrene–Chloranil System

The charge-transport behaviour in polystyrene–chloranil system has been studied by measuring the dependence of current on voltage, temperature, electrode material, and chloranil concentration. The experimental results are discussed in terms of the Jonscher–Ansari modified Poole–Frenkel mechanism which takes into account the effect of traps. The conductivity was found to increase. with an increase in the chloranil concentration. An explanation for this has been attempted on the basis of charge-transfer-complex formation between chloranil molecules and the phenyl group of polystyrene molecules.