Journal
ADVANCED MATERIALS
Volume 24, Issue 43, Pages 5867-5871Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201202222
Keywords
imidazole; n-type materials; fluorescence; dopant materials; organic light-emitting diodes (OLEDs)
Categories
Funding
- Ministry of Economic Affairs [100-EC-17-A-08-S1-042]
- National Science Council [NSC-100-2119-M-007-010-MY3]
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Two new n-type diimidazolylstilbenes as blue-fluorescent dopant materials are synthesized and characterized. Blue-fluorescent devices based on these two compounds as the dopants reveal outstanding external quantum efficiencies (EQEs) (current efficiencies) of 7.8% (10.4 cd A(-1)) and 7.7% (7.9 cd A(-1)) with Commission internationale de l'Eclairage (CIE) co-ordinates of (0.14, 0.15) and (0.15, 0.11).
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