1.54 μm electroluminescence from erbium (III) tris(8-hydroxyquinoline) (ErQ)-based organic light-emitting diodes
- 6 September 1999
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 75 (10), 1380-1382
- https://doi.org/10.1063/1.124700
Abstract
Organic light-emitting diodes have been fabricated using erbium tris(8-hydroxyquinoline) as the emitting layer and N, N ′ - diphenyl- N,N ′ - bis(3-methylphenyl)-1,1 ′ - biphenyl-4,4 ′ -diamine as the hole-transporting layer. Room-temperature electroluminescence was observed at 1.54 μm due to intra-atomic transitions between the 4 I 13/2 and 4 I 15/2 levels in the Er 3+ ion. These results suggest a possible route to producing a silicon-compatible 1.54 μm source technology.Keywords
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