Pure room temperature phosphorescence emission of an organic host–guest doped system with a quantum efficiency of 64%
Xiaoqing Liu, Wenbo Dai, Junjie Qian, Yunxiang Lei, Miaochang Liu, Zhengxu Cai, Xiaobo Huang, Huayue Wu, Yuping Dong
Abstract
A doped system with strong pure phosphorescent emission has been constructed, and the QY phos. can reach up to 64%. The ISC efficiency of excitons can be adjusted by changing the excitation wavelength, so the doped materials can selectively emit green phosphorescence or cyan fluorescence.
Topics & Concepts
PhosphorescenceCyanMaterials scienceDopingFluorescencePersistent luminescenceExcitationPhotochemistryPhosphorescent organic light-emitting diodeQuantum efficiencyPhosphorOptoelectronicsExcitonWavelengthLuminescenceOpticsChemistryCondensed matter physicsThermoluminescencePhysicsQuantum mechanicsLuminescence and Fluorescent MaterialsOrganic Light-Emitting Diodes ResearchPerovskite Materials and Applications