Abstract
Magnetic, relaxation, and dynamic parameters of polarons P1·+, trapped in p-toluenesulfonic aciddoped polyaniline, polarons P2·+, and fullerene radical anions photoinduced in the poly(3-dodecylthiophene)/methanofullerene composite and in mixtures of these composites have been investigated using the EPR technique. It has been shown that spin charge carriers P2·+ during diffusion along poly(3-dodecylthiophene) chains interact with P1·+ trapped on adjacent polymer chains of polyaniline. The exchange interaction and spin relaxation in the ternary composites is determined by the activated hopping mobility of polarons P2·+ and depends on the composition of the material.
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