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Development of Efficient OLEDs from Solution Deposition
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Blue Emitters Based on Aryl End-Capped Pyrene Groups for OLEDs
Journal of Nanoscience and Nanotechnology
|July 27, 2016
Abstract:
We have synthesized four pyrene-derived blue emitting materials using Suzuki cross coupling reactions. All OLED devices using these materials as emitting materials showed efficient blue electroluminescence (EL). Particularly, a device using 1,1'-(9,9-dimethyl-9H-fluorene-2,7-diyl)bis-pyrene (1) showed best EL properties with the luminous efficiency of 4.32 cd/A, the power efficiency of 3.98 lm/W and the external quantum efficiency of 2.48% at 500 cd/m2.

