Very low turn-on voltage and high brightness tris-(8-hydroxyquinoline) aluminum-based organic light-emitting diodes with a MoO(x) p-doping layer

Xie, Guohua, Meng, Yanlong, Wu, Fengmin, Tao, Chen, Zhang, Dandan, Liu, Minjun, Xue, Qin, Chen, Wen and Zhao, Yi (2008) Very low turn-on voltage and high brightness tris-(8-hydroxyquinoline) aluminum-based organic light-emitting diodes with a MoO(x) p-doping layer. Applied Physics Letters, 92 9: 093305-1-093305-3. doi:10.1063/1.2890490

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Author Xie, Guohua
Meng, Yanlong
Wu, Fengmin
Tao, Chen
Zhang, Dandan
Liu, Minjun
Xue, Qin
Chen, Wen
Zhao, Yi
Title Very low turn-on voltage and high brightness tris-(8-hydroxyquinoline) aluminum-based organic light-emitting diodes with a MoO(x) p-doping layer
Formatted title
Very low turn-on voltage and high brightness tris-(8-hydroxyquinoline) aluminum-based organic light-emitting diodes with a MoOx p-doping layer
Journal name Applied Physics Letters   Check publisher's open access policy
ISSN 0003-6951
1077-3118
1520-8842
Publication date 2008-03-04
Sub-type Article (original research)
DOI 10.1063/1.2890490
Open Access Status File (Author Post-print)
Volume 92
Issue 9
Start page 093305-1
End page 093305-3
Total pages 3
Place of publication College Park, MD, U.S.A.
Publisher American Institute of Physics
Language eng
Formatted abstract
We have demonstrated an organic light-emitting diode based on molybdenum oxide (MoOx) doped 4,4′,4″-tris(3-methylphenylphenylamino)triphenylamine (m-MTDATA) as a p-type doping hole injection layer. The tris-(8-hydroxyquinoline) aluminum (Alq3)-based organic light-emitting diodes show high brightness at very low operating voltage, 100 cd/m2 at 3.2 V and 1000 cd/m2 at 4.4 V, corresponding to a low turn-on voltage of 2.4 V. Such improved properties are attributed to the formation of the charge transfer complex produced by doping MoOx into m-MTDATA, which provides much more free hole carriers, and the introduction of an efficient electron-injecting layer to improve the performance.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ
Additional Notes Published under "Organic Electronics and Photonics".

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Chemistry and Molecular Biosciences
 
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Created: Tue, 20 Sep 2011, 15:24:26 EST by Chen Tao on behalf of School of Chemistry & Molecular Biosciences