Solution‐Processed Highly Efficient Blue Phosphorescent Polymer Light‐Emitting Diodes Enabled by a New Electron Transport Material | Zendy

Earmme Taeshik | Zendy; Ahmed Eilaf | Zendy; Jenekhe Samson A. | Zendy

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Solution‐Processed Highly Efficient Blue Phosphorescent Polymer Light‐Emitting Diodes Enabled by a New Electron Transport Material

Author(s) -

Earmme Taeshik,

Ahmed Eilaf,

Jenekhe Samson A.

Publication year - 2010

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/adma.201001585

Subject(s) - phosphorescence , materials science , luminous efficacy , brightness , optoelectronics , diode , oled , electron transport chain , electron , luminous flux , polymer , phosphorescent organic light emitting diode , light emitting diode , fluorescence , nanotechnology , optics , light source , physics , composite material , chemistry , biochemistry , layer (electronics) , quantum mechanics

High‐performance blue phosphorescent light‐emitting diodes are fabricated by a new sequential solution‐processing method made possible by a new wide‐energy‐gap electron‐transport material. The PhOLEDs show a luminous efficiency of 28.3 cd A −1 with an EQE of 15.5% at 2790 cd m −2 . Even at a remarkably high brightness of 10 000 cd m −2 , the luminous efficiency remained higher than 20 cd A −1 .

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