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Conjugated polymers such as poly(phenylenevinylene) are an attractive target for electroluminescent (EL) devices because of their ease of preparation, processability, and color tunability. The authors review theoretical and experimental progress in polymer EL devices with special emphasis on device degradation under strong pulses. The Figure shows the morphology of a degraded Al cathode.
Savvateev et al. (1999) studied this question.