Molecular design of DBA-type five-membered heterocyclic rings to achieve 200% exciton utilization for electroluminescence
Qi Sun, Yishi Wu, Yuanyuan Cui, Can Gao, Qi Ou, Deping Hu, Lu Wang, Yue Wang, Huanli Dong, Jianzhang Zhao, Chunfeng Zhang, Zhigang Shuai, Hongbing Fu, Qian Peng
Abstract
A facile scenario is proposed to design DBA-type molecules with E (T 2 ) > E (S 1 ) ≥ 2 E (T 1 ), promising to realize 200% exciton utilization through a three-step mechanism for organic electroluminescence.
Topics & Concepts
ElectroluminescenceExcitonMaterials sciencePhotochemistryOptoelectronicsNanotechnologyChemistryPhysicsCondensed matter physicsLayer (electronics)Organic Light-Emitting Diodes ResearchOrganic Electronics and PhotovoltaicsConducting polymers and applications