Boron-containing D–A–A type TADF materials with tiny singlet–triplet energy splittings and high photoluminescence quantum yields for highly efficient OLEDs with low efficiency roll-offs
Cheng Qu, Guoqi Xia, Yincai Xu, Yunlong Zhu, Jixiong Liang, Hao Zhang, Jiaxuan Wang, Zuolun Zhang, Yue Wang
Abstract
D–A–A type TADF materials possessing concurrently a small Δ<italic>E</italic><sub>ST</sub> and a high <italic>Φ</italic><sub>PL</sub> for efficient OLEDs were constructed by utilizing boryl-containing tandem acceptors.
Topics & Concepts
Materials scienceOLEDPhotoluminescenceTandemSinglet stateQuantum efficiencyBoronOptoelectronicsNanotechnologyPhysicsAtomic physicsLayer (electronics)Nuclear physicsExcited stateComposite materialOrganic Light-Emitting Diodes ResearchLuminescence and Fluorescent MaterialsMagnetism in coordination complexes