Abstract
The depolarization behaviour of poly(vinylbutyral)(PVB)(with three degrees of polymerization) was studied as a function of iodine concentration using the thermally stimulated discharge technique. Two relaxation peaks were observed in pure as well as in iodine-doped PVB films. However, the peak temperatures, peak currents, charges and activation energies associated with these peaks decrease continuously with increasing iodine concentration. These effects of iodine on the two relaxations are explained on the basis of the formation of charge transfer complexes.
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