Y Wang
Performance enhancement of white-electrophosphorescent devices incorporating a mixed-transition layer
Wang, Y; Hua, YL; Wu, XM; Zhang, LJ; Hou, QC; Yin, SG; Petty, MC
Authors
YL Hua
XM Wu
LJ Zhang
QC Hou
SG Yin
MC Petty
Abstract
The performance of white organic light-emitting devices has been improved significantly by incorporating a mixed-transition layer, consisting of the hole-transporting (or electron-transporting) layer doped with the emissive dye. These devices exhibit maximum current and power efficiencies of 13.3 cd/A and 11.3 lm/W, respectively (1.6 and 2 times higher than the corresponding values of devices without the mixed-transition layer), with slightly modified Commission Internationale De L’Eclairage coordinates, from (0.300, 0.371) to (0.312, 0.366). This is attributed to the enhancement of carrier transport by doping, thereby improving both the exciton formation probability and the charge transport balance.
Citation
Wang, Y., Hua, Y., Wu, X., Zhang, L., Hou, Q., Yin, S., & Petty, M. (2008). Performance enhancement of white-electrophosphorescent devices incorporating a mixed-transition layer. Applied Physics Letters, 92(12), Article 123504. https://doi.org/10.1063/1.2896606
Journal Article Type | Article |
---|---|
Publication Date | Mar 24, 2008 |
Deposit Date | Oct 26, 2012 |
Publicly Available Date | Oct 29, 2012 |
Journal | Applied Physics Letters |
Print ISSN | 0003-6951 |
Electronic ISSN | 1077-3118 |
Publisher | American Institute of Physics |
Peer Reviewed | Peer Reviewed |
Volume | 92 |
Issue | 12 |
Article Number | 123504 |
DOI | https://doi.org/10.1063/1.2896606 |
Keywords | Electroluminescent devices, Organic compounds, Phosphors. |
Public URL | https://durham-repository.worktribe.com/output/1554325 |
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Copyright Statement
© 2008 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Wang, Y. and Hua, Y.L. and Wu, X.M. and Zhang, L.J. and Hou, Q.C. and Yin, S.G. and Petty, M.C. (2008) 'Performance enhancement of white-electrophosphorescent devices incorporating a mixed-transition layer.', Applied physics letters., 92 (12). p. 123504 and may be found at http://dx.doi.org/10.1063/1.2896606
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