Resonance-driven dynamically bipolar organic semiconductors for high-performance optoelectronic applications
He Jiang, Ye Tao, Jibiao Jin, Yizhong Dai, Lijie Xian, Jun Wang, Shuang Wang, Runfeng Chen, Chao Zheng, Wei Huang
Abstract
Resonance-driven dynamically bipolar organic semiconductors were designed by using N–C=O resonance variation to transform one carbazole into an electron acceptor in the D-r-D structure. The blue OLEDs hosted by D-r-D materials showed a maximum EQE up to 31.2%.
Topics & Concepts
Materials scienceOLEDOptoelectronicsCarbazoleSemiconductorAcceptorOrganic semiconductorResonance (particle physics)NanotechnologyPhotochemistryChemistryAtomic physicsPhysicsCondensed matter physicsLayer (electronics)Organic Light-Emitting Diodes ResearchOrganic Electronics and PhotovoltaicsConducting polymers and applications