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The influence of an external electric field on the fluorescence of the ferroelectric vinylidene fluoride-trifluoroethylene copolymer P(VDF-TrFE) doped by rhodamine is revealed. The fluorescence also shows anomalies in the region of the ferroelectric phase transition in P(VDF-TrFE). These phenomena are explained by the influence of polarization on the radiationless electron transitions in the dye molecules.
Verkhovskaya et al. (1994) studied this question.