Dye-based nanoarchitectonics for the effective bandgap and stability of blue phosphorescent organic light-emitting diodes
Applied Physics A(2023)
Abstract
Blue phosphorescent organic light-emitting diodes (B-PHOLEDs) using host–guest emissive layers have been studied, where the host and guest are 2,6-bis(3-(9H-carbazol-9-yl)phenyl)pyridine (26DCzPPy) and bis[2-(4,6-difluorophenyl)pyridinato-C2,N](picolinato)iridium(III) (FIrPic), respectively. For the emissive layer with dye (guest) concentration of either 3 mol
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Key words
Blue phosphorescent organic light-emitting diodes,Charge transport,Effective bandgap,Exciton formation zone,Device stability
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