Blue Axially Chiral Biphenyl Based Thermally Activated Delayed Fluorescence Materials for Efficient Circularly Polarized OLEDs

This work presents two axial chiral biphenyl based blue thermally activated delayed fluorescence materials (M‐BPCZ4 and P‐BPCZ4) with four carbazole (CZ) donors and two cyano (CN) acceptors. The rigid CZ‐CN based molecular structures with multiple chromophores result in small gaps among charge trans...

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Veröffentlicht in:	Advanced optical materials 2021-10, Vol.9 (20), p.n/a
Hauptverfasser:	Tu, Zhen‐Long, Lu, Jun‐Jian, Luo, Xu‐Feng, Hu, Jia‐Jun, Li, Si, Wang, Yi, Zheng, You‐Xuan, Zuo, Jing‐Lin, Pan, Yi
Format:	Artikel
Sprache:	eng
Schlagworte:	axial chiral biphenyl Carbazoles Charge transfer Chromophores Circular polarization circularly polarized organic light‐emitting diodes circularly polarized TADF materials Coupling (molecular) Electroluminescence Enantiomers Fluorescence high dissymmetry factor high efficiency Luminescence Materials science Molecular structure Optical properties Optics Organic light emitting diodes Quantum efficiency Racemization
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