Triphenylamine‐Dendronized Pure Red Iridium Phosphors with Superior OLED Efficiency/Color Purity Trade‐Offs | Zendy

Zhou Guijiang | Zendy; Wong WaiYeung | Zendy; Yao Bing | Zendy; Xie Zhiyuan | Zendy; Wang Lixiang | Zendy

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Triphenylamine‐Dendronized Pure Red Iridium Phosphors with Superior OLED Efficiency/Color Purity Trade‐Offs

Author(s) -

Zhou Guijiang,

Wong WaiYeung,

Yao Bing,

Xie Zhiyuan,

Wang Lixiang

Publication year - 2007

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.200604094

Subject(s) - iridium , triphenylamine , phosphor , oled , materials science , chemistry , photochemistry , optoelectronics , nanotechnology , layer (electronics) , catalysis , organic chemistry

As good as red : Highly efficient pure red OLEDs based on iridium electrophosphors functionalized with hole‐transporting triphenylamine dendrons are prepared (see picture). These bifunctional dendrimers give a peak efficiency of 11.7 % with an excellent color quality and offer an attractive avenue for the development of metal phosphors with the optimized efficiency/color purity trade‐offs required for pure red‐emitting devices. OLED=organic light‐emitting diode.

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