A Silane‐Based Bipolar Host with High Triplet Energy for High Efficiency Deep‐Blue Phosphorescent OLEDs with Improved Device Lifetime

A high triplet energy host is developed using a silane moiety, 9‐(4‐(triphenylsilyl)dibenzo[b,d]furan‐2‐yl)‐9H‐carbazole (SiDBFCz), is designed through extensive density functional theory (DFT) calculations to obtain appropriate hole and electron injection barriers. The chemical hardness and the cha...

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Veröffentlicht in:	Chemistry : a European journal 2020-06, Vol.26 (35), p.7767-7773
Hauptverfasser:	Ko, Soo‐Byung, Kang, Sunwoo, Kim, Taekyung
Format:	Artikel
Sprache:	eng
Schlagworte:	bond dissociation energies Carbazole Carbazoles Charge transport Chemistry Density functional theory Electrochemistry Emitters Emitters (electron) Energy of dissociation Excitation Free energy Heat of formation high triplet bipolar host OLEDs Optimization Organic light emitting diodes Phosphorescence Quantum efficiency Service life assessment Stability Transport properties triplet excited states
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