Charge transfer through amino groups-small molecules interface improving the performance of electroluminescent devices
作者： Ali Kemal Havare , Mustafa Can , Cem Tozlu , Mahmut Kus , Salih Okur
DOI: 10.1016/J.OPTMAT.2016.03.020
关键词:
摘要: Abstract A carboxylic group functioned charge transporting was synthesized and self-assembled on an indium tin oxide (ITO) anode. typical electroluminescent device [modified ITO/TPD (50 nm)/Alq 3 (60 nm)/LiF (2 nm)/(120 nm)] fabricated to investigate the effect of amino groups-small molecules interface characteristics device. The increase in surface work function ITO is expected facilitate hole injection from anode Hole Transport Layer (HTL) electroluminescence. modified could endure a higher current showed much luminance than nonmodified one. For produced devices, I-V characteristics, optical characterization quantum yields were performed. external efficiency improved as result presence interface.
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