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High-Tg N-triarylamine derivatives as a hole injecting layer in organic light-emitting diodes
- High-Tg N-triarylamine derivatives as a hole injecting layer in organic light-emitting diodes
- Cho, Ho Young; Park, Lee Soon; Han, Yoon Soo; Kwon, Young Hwan; Ham, Jae Yong
- DGIST Authors
- Han, Yoon Soo
- Issue Date
- Molecular Crystals and Liquid Crystals, 499, 1/-10/
- Article Type
- Color Purities; Current Density; Glass Transition; Glass Transition Temperatures; Helmet Mounted Displays; Hole Injecting Layer; Hole Injection Layers; Homo Energies; Light; Light-Emitting Diodes; Luminescence; N-Triarylamine; OLED; Organic Light-Emitting Diodes (OLEDs); Starburst; Triaryl Amines; Turn-On Voltages
- N-triarylamines, m-MTDAPB and 1-TNAPB, with high glass transition temperature and hole affinity were evaluated as a hole injection layer (HIL) in organic light-emitting diodes (OLEDs) with the configuration of ITO/N-triarylamine/-NPD (HTL)/Alq3 (EML)/LiF/Al. The performance of N-triarylamines as HIL in OLEDs was investigated in terms of turn-on voltage, luminescence, color purity, etc. Better EL performance was observed in OLED with m-MTDAPB as HIL, showing turn-on voltage of 6V and maximum luminescence of 2,976cd/m2 at 13.5V. This might be attributed to well-matched HOMO energy offsets at the interfaces of anode/HIL/HTL layers in OLED with the configuration ofITO/m-MTDAPB/-NPD (HTL)/Alq3 (EML)/LiF/Al, compared to OLED with1-TNAPB as HIL.
- Taylor and Francis Inc.
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