Nearly 100% Triplet Harvesting in Conventional Fluorescent Dopant-Based Organic Light-Emitting Devices Through Energy Transfer from Exciplex

Nearly 100% Triplet Harvesting in Conventional Fluorescent Dopant-Based Organic Light-Emitting Devices Through Energy Transfer from Exciplex

Nearly 100% triplet harvesting in conventional fluorophor‐based organic light‐emitting devices is realized through energy transfer from exciplex. The best C545T‐doped device using the exciplex host exhibits a maximum current efficiency of 44.0 cd A‐1, a maximum power efficiency of 46.1 lm W‐1, and a...

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Veröffentlicht in:Advanced materials (Weinheim) 2015-03, Vol.27 (12), p.2025-2030
Hauptverfasser: Liu, Xiao-Ke, Chen, Zhan, Zheng, Cai-Jun, Chen, Miao, Liu, Wei, Zhang, Xiao-Hong, Lee, Chun-Sing
Format: Artikel
Sprache:eng
Schlagworte:
conventional fluorescence
Current efficiency
Devices
Energy transfer
exciplex
Harvesting
Maximum power
Organic light emitting diodes
Quantum efficiency
thermally activated delayed fluorescence
triplet harvesting
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Zusammenfassung:Nearly 100% triplet harvesting in conventional fluorophor‐based organic light‐emitting devices is realized through energy transfer from exciplex. The best C545T‐doped device using the exciplex host exhibits a maximum current efficiency of 44.0 cd A‐1, a maximum power efficiency of 46.1 lm W‐1, and a maximum external quantum efficiency of 14.5%.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201500013