Efficient and tunable purely organic room temperature phosphorescence films from selenium-containing emitters achieved by structural isomerism
Shuai Wang, Zhiqiang Cheng, Xianchao Han, Haiyang Shu, Xiaofu Wu, Hui Tong, Lixiang Wang
Abstract
The organic emitters based on 9 H -selenoxanthen-9-one can realize fluorescent-to-phosphorescent transformation at room temperature by structural isomerism, and the room temperature phosphorescence quantum yield of the doped film is up to 66.7%.
Topics & Concepts
PhosphorescenceMaterials scienceQuantum yieldYield (engineering)FluorescencePhotochemistryOptoelectronicsDopingOpticsComposite materialChemistryPhysicsLuminescence and Fluorescent MaterialsOrganic Light-Emitting Diodes ResearchMolecular Sensors and Ion Detection