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Narrow Bandwidth Luminescence from Blends with Energy Transfer from Semiconducting Conjugated Polymers to Europium Complexes
Author(s) -
McGehee M. D.,
Bergstedt T.,
Zhang C.,
Saab A. P.,
O'Regan M. B.,
Bazan G. C.,
Srdanov V. I.,
Heeger A. J.
Publication year - 1999
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/(sici)1521-4095(199911)11:16<1349::aid-adma1349>3.0.co;2-w
Subject(s) - materials science , europium , conjugated system , luminescence , polymer , energy transfer , doping , optoelectronics , light emitting diode , diode , photochemistry , chemical physics , composite material , chemistry
Efficient, pure red‐emitting polymer light‐emitting diodes have been prepared by doping blue‐emitting conjugated polymers with europium β‐diketonate complexes (see Figure). The pure red emission is required for full color displays, while the blends are also expected to be useful as emitters in photonic crystals due to their narrow monochromaticity (see also cover).