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Novel linear and tri-branched copolymers based on triphenylamine for non-doping emitting materials

Authors
Journal
European Polymer Journal
0014-3057
Publisher
Elsevier
Publication Date
Volume
39
Issue
7
Identifiers
DOI: 10.1016/s0014-3057(03)00020-x
Keywords
  • Organic Light-Emitting Diodes
  • Triphenylamine
  • Copolymer
  • Synthesis

Abstract

Abstract Novel linear and tri-branched copolymers with triphenylamine and cyano groups in the main chain were synthesized by a concise route and an environment-friendly procedure without metal catalyst. They show strong fluorescence in solid state and can be used as non-doping emitter to fabricate emitting diodes. The single-layer electroluminescence devices with PVK or PEDOT buffer layer have been made with these copolymers as non-doping red–orange emitter, electron-transporting as well as hole-transporting material. The single-layer devices show preliminary results with maximum efficiency of 0.052% and EL wavelengths around 614 nm.

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