Efficient red electroluminescence from devices having multilayers of a europium complex
- 19 December 2000
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 77 (26) , 4271-4273
- https://doi.org/10.1063/1.1336161
Abstract
In order to get red electroluminescence from a europium (Eu) complex with high efficiency, a hole-injection layer was inserted between the Eu-complex layer and an indium–tin–oxide electrode, and a hole-blocking layer was inserted between the Eu-complex and electron-transporting layers. To further improve the efficiency, devices having multiple-stacked Eu-complex (2.5 nm)/hole blocking (2.5 nm) units were fabricated. By stacking six units, the maximal luminance and emission efficiency of the red emission were increased to more than twice that from a device with a single Eu-complex layer.Keywords
This publication has 15 references indexed in Scilit:
- Red Electroluminescence from an Organic Europium Complex with a Triphenylphosphine Oxide LigandJapanese Journal of Applied Physics, 2000
- Improved performance of electroluminescent devices based on an europium complexApplied Physics Letters, 2000
- Efficient, Saturated Red Organic Light Emitting Devices Based on Phosphorescent Platinum(II) PorphyrinsChemistry of Materials, 1999
- Red organic electroluminescence devices with a reduced porphyrin compound, tetraphenylchlorinApplied Physics Letters, 1999
- Highly efficient phosphorescent emission from organic electroluminescent devicesNature, 1998
- Electroluminescence of a novel terbium complexApplied Physics Letters, 1998
- Red electroluminescence from a thin organometallic layer of europiumJournal of Applied Physics, 1996
- Bright red light-emitting organic electroluminescent devices having a europium complex as an emitterApplied Physics Letters, 1994
- Sharply directed emission in organic electroluminescent diodes with an optical-microcavity structureApplied Physics Letters, 1994
- Electroluminescence of doped organic thin filmsJournal of Applied Physics, 1989