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Highly efficient tandem p-i-n organic light-emitting diodes adopting a low temperature evaporated rhenium oxide interconnecting layer
Cited 68 time in
Web of Science
Cited 75 time in Scopus
- Authors
- Issue Date
- 2008-09-08
- Publisher
- American Institute of Physics
- Citation
- Appl. Phys. Lett. 93, 103304 (2008)
- Abstract
- High quality interconnection units (ICUs) with a high transparency and superior charge generating capability for tandem organic light-emitting diodes (OLEDs) are developed. The ICUs of rubidium carbonate-doped 4,7-diphenyl-1,10-phenanthroline/rhenium oxide (ReO3)-doped N,N-diphenyl-N,N-bis(1,1-biphenyl)-4,4-diamine layers with or without an additional ReO3 interlayer produce high transmittance (88%–92% at 420–700 nm) and spontaneous internal charge generation properties. A very high efficiency of ~129 cd/A has been demonstrated from only two stacked green p-i-n OLEDs by employing the developed ICUs. The relationship between the device efficiency and internal charge generation within the ICUs is further described by means of the capacitance measurements.
- ISSN
- 0003-6951 (print)
1077-3118 (online)
- Language
- English
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