Record efficiency of 1000 nm electroluminescence from a solution-processable host-free OLED
Anton Kovalenko, Lyubov O. Tcelykh, Daniil S. Koshelev, Andrey A. Vashchenko, Dmitry Tsymbarenko, Alexander S. Goloveshkin, Alexey E. Aleksandrov, А. С. Бурлов, Valentina V. Utochnikova
Abstract
An efficiency of 441 μW W −1 was obtained using a novel purposefully designed ytterbium complex as a host-free solution processable emission layer in an OLED. The value is the highest to date and was reached due to the increase of the charge mobility.
Topics & Concepts
ElectroluminescenceQuantum yieldOLEDSubstituentYield (engineering)Electron mobilityMaterials scienceSolubilityPhotochemistryQuantum efficiencyChemistryLayer (electronics)OptoelectronicsMedicinal chemistryPhysical chemistryFluorescenceNanotechnologyOpticsPhysicsMetallurgyOrganic Light-Emitting Diodes ResearchLanthanide and Transition Metal ComplexesMagnetism in coordination complexes