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Nearly 100% Triplet Harvesting in Conventional Fluorescent Dopant‐Based Organic Light‐Emitting Devices Through Energy Transfer from Exciplex
Author(s) -
Liu XiaoKe,
Chen Zhan,
Zheng CaiJun,
Chen Miao,
Liu Wei,
Zhang XiaoHong,
Lee ChunSing
Publication year - 2015
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.201500013
Subject(s) - oled , excimer , energy transfer , materials science , fluorescence , optoelectronics , dopant , quantum efficiency , doping , efficient energy use , engineering physics , nanotechnology , electrical engineering , optics , physics , layer (electronics) , engineering
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%.