Effect of Sequence Distribution of Oxadiazole Moieties on Luminescence in a Poly(Phenylene-Vinylene) Derivative

Abstract

In order to realize the vast potential offered by semiconducting polymers in emissive display technologies, it is important to understand the structure-property relationships that govern their performance. This paper will focus on one such relationship in the most widely studied class of polymers viz. poly(phenylene-vinylene) (PPV) derivatives. We have synthesized oxadiazole containing PPV copolymers varying the composition and sequence distribution of the oxadiazole moiety in the chain. We find that a statistically random copolymer performs 50% better in EL efficiency than the corresponding alternating copolymer with the same chemical composition, and 3 times better than the homopolymer without any oxadiazole moieties.

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Correspondence to Subramanian Vaidyanathan.

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Vaidyanathan, S., Galvin, M.E. Effect of Sequence Distribution of Oxadiazole Moieties on Luminescence in a Poly(Phenylene-Vinylene) Derivative. MRS Online Proceedings Library 725, 29 (2002). https://doi.org/10.1557/PROC-725-P2.9

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