4.2 Article

Blue Electroluminescence from 3,6-Silafluorene-Based Copolymers

Journal

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY
Volume 47, Issue 13, Pages 3286-3295

Publisher

WILEY
DOI: 10.1002/pola.23393

Keywords

anthracene derivatives; conjugated polymers; electroluminescence; energy transfer; light-emitting diodes (LED); polymeric light-emitting diodes; polysilanes; silafluorene; stilbene derivatives; tri-arylamine derivatives; wide band-gap polymer

Funding

  1. National Natural Science Foundation of China [90201031, 20674021]

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Poly(3,6-silafluorene) is a typical wide band-gap conjugated polymer with ultraviolet light emission. The blue electroluminescence from the 3,6-silafluorene-based copolymers via intrachain energy transfer was reported in this study. The monomer containing vinylene, anthracene, and tri-arylamine moieties incorporated into the poly(3,6-silafluorene) backbone can form efficient deep-blue emitting copolymers with EL efficiency of 1.1-1.9%. (C) 2009 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 47: 3286-3295, 2009

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