Influence of molecular structure on the properties of dendrimer light-emitting diodes

Anthopoulos, Thomas D., Markham, Jonathan P. J., Namdas, Ebinazar B., Lawrence, Justin R., Samuel, Ifor D. W., Lo, Shih-Chun and Burn, Paul L. (2003) Influence of molecular structure on the properties of dendrimer light-emitting diodes. Organic Electronics, 4 2-3: 71-76. doi:10.1016/j.orgel.2003.08.015


Author Anthopoulos, Thomas D.
Markham, Jonathan P. J.
Namdas, Ebinazar B.
Lawrence, Justin R.
Samuel, Ifor D. W.
Lo, Shih-Chun
Burn, Paul L.
Title Influence of molecular structure on the properties of dendrimer light-emitting diodes
Journal name Organic Electronics   Check publisher's open access policy
ISSN 1566-1199
Publication date 2003-09-01
Sub-type Article (original research)
DOI 10.1016/j.orgel.2003.08.015
Volume 4
Issue 2-3
Start page 71
End page 76
Total pages 6
Editor C. Adachi
P. Heremans
R. A. J. Janssen
A. Kahn
Place of publication Amsterdam
Publisher Elsevier Science
Language eng
Formatted abstract
Iridium-based phosphorescent dendrimers have shown much promise as highly efficient light emitting materials for organic light emitting diodes (OLEDs). Here we report the effects of modifying the chemical structure on the emissive and charge transport properties of Ir(ppy)3 based electrophosphorescent dendrimers. We investigate a novel para linked first generation (G1) iridium dendrimer. This material is compared to G1 and G2 meta linked dendrimers. We show that by blending these dendrimers into a CBP host, high external quantum efficiencies of over 10% and luminous efficiencies of 27 lm/W can be achieved.
© 2003 Elsevier B.V. All rights reserved.
Keyword Materials Science, Multidisciplinary
Physics, Applied
Electroluminescent diodes
Conjugated dendrimers
Efficiency
Devices
Phosphorescence
Performance
Generation
Iridium
Layer
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown
Additional Notes Special issue: "High Efficiency Light Emitters".

 
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Created: Thu, 20 Sep 2007, 03:32:09 EST