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Modified DCM-Type Materials for Red Fluorescent Organic Light-Emitting Diodes
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2011
Year
White OledElectrical EngineeringModified DcmRed Emitters 1-3EngineeringSolid-state LightingOrganic ElectronicsPhotoluminescenceDcm-type MaterialsNew Lighting TechnologyEfficient Red EmissionLight-emitting DiodesChemistryLuminescence PropertyThermally Activated Delayed FluorescenceOptoelectronicsOrganic Materials
A series of red emitters 1-3 based on modified DCM were synthesized and their electroluminescent properties were investigated. A device employing red emitter 2 as a dopant exhibited efficient red emission with maximum luminous efficiency of 1.87 cd/A, maximum power efficiency of 0.78 lm/W, maximum external quantum efficiency of 1.52%, and CIE coordinates of (0.65, 0.35) at 7.0 V.