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High efficiency phosphorescent organic light-emitting diodes using carbazole-type triplet exciton blocking layer
Cited 86 time in
Web of Science
Cited 109 time in Scopus
- Authors
- Issue Date
- 2007-05-31
- Publisher
- American Institute of Physics
- Citation
- Applied Physics Letters 90, 223505
- Abstract
- Device performances of green phosphorescent organic light-emitting diodes using
4,4 -N,N -dicarbazole biphenyl CBP and N,N -dicarbazolyl-3,5-benzene mCP as an exciton
blocking layer were investigated. CBP and mCP were introduced between hole transport layer and
emitting layer to block triplet exciton quenching and efficient hole transport to emitting layer. The
efficiency of green devices could be improved by more than three times by using mCP exciton
blocking layer.
- ISSN
- 0003-6951
- Language
- English
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