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Synthesis and properties of novel excited-state intramolecular proton transfer (ESIPT) materials, recently developed in our group, are described. Highly efficient ESIPT reaction, achieved in polyquinolines, polybenzoxazoles, and oxadiazole and imidazole derivatives possessing an intramolecular tautomerizable hydrogen bond, has been investigated theoretically and experimentally. It is demonstrated...
As a new class of spin-coatable electroluminescent oligomers, oligo(N-ethylhexyl-3,6-carbazolylenevinylene-alt-4,4'-diphenylvinylene-sulfo ne) (P1) and oligo(N-ethylhexyl-3,6-carbazoledivinylene-p-phenylenevinylene) (P2) were synthesized through Wittig polycondensation of N-(2-ethylhexyl)-3,6-diformyl carbazole with the diphosphonium salts of bis(bromomethyl-p-phenyl)-sulfone and α,α'-dibromo-p-xylene,...
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