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Highly Efficient Blue‐Emitting Iridium(III) Carbene Complexes and Phosphorescent OLEDs
Author(s) -
Chang ChiungFang,
Cheng YiMing,
Chi Yun,
Chiu YuanChieh,
Lin ChaoChen,
Lee GeneHsiang,
Chou PiTai,
Chen ChungChia,
Chang ChihHao,
Wu ChungChih
Publication year - 2008
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200800748
Subject(s) - iridium , phosphorescence , oled , carbene , photochemistry , blue light , materials science , phosphorescent organic light emitting diode , chemistry , fluorescence , optoelectronics , catalysis , nanotechnology , physics , optics , organic chemistry , layer (electronics)
Bright & blue : A strategy for reducing metal‐chelate internal strain enables the preparation of blue emitting iridium(III) carbene complexes (see picture; Ir red, N light blue, F green). The phosphorescent OLED fabricated from one of these complexes shows remarkable CIE coordinates of (0.16, 0.13) and peak efficiencies of 6.0 % photons per electron, 6.3 cd A −1 , and 4.0 lm W −1 .
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