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Exciplex Electroluminescence from Organic Bilayer Devices Composed of Triphenyldiamine and Quinoxaline Derivatives
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1998
Year
Organic Bilayer DevicesEngineeringOrganic ElectronicsQuinoxaline DerivativesOrganic ChemistryChemistryLuminescence PropertyChemical EngineeringEmission SourcesLight-emitting DiodesThermally Activated Delayed FluorescencePhotoluminescencePhotochemistryOrganic SemiconductorHigh ElectroluminescenceBilayer Organic LedsOrganic Charge-transfer CompoundWhite OledApplied PhysicsExciplex ElectroluminescenceOptoelectronics
Exciplexes can be used as emission sources in light-emitting devices (LEDs), as is demonstrated here. High electroluminescence is reported from bilayer organic LEDs in which the emission is confirmed to originate from an exciplex formed at the interface of two organic layers, for example of an aromatic diamine and a quinoxaline derivative, one of which is shown in the Figure.