Novel blue multiresonance thermally activated delayed fluorescence host materials, including Ge-based bulky groups
Sang-Wook Park, Hyuk-Min Kwon, Hayoon Lee, Kiho Lee, Seokwoo Kang, Ki Ju Kim, Taekyung Kim, Jongwook Park
Abstract
We synthesized three materials, namely, TDBA-Ge, mTDBA-Ge, and mTDBA-2Ge, as blue host emitters. Among the three materials, mTDBA-2Ge exhibited the highest efficiency, with an EQE max of 24.41%.
Topics & Concepts
Materials scienceFluorescenceHost (biology)OptoelectronicsPhotochemistryChemical engineeringOpticsBiologyPhysicsEcologyChemistryEngineeringOrganic Light-Emitting Diodes ResearchLuminescence and Fluorescent MaterialsLanthanide and Transition Metal Complexes