Bright electroluminescence from a conjugated dendrimer

Ma, Dongge Ma, Lupton, J. M., Samuel, I. D. W., Lo, Shi-Chun and Burn, P. L. (2002) Bright electroluminescence from a conjugated dendrimer. Applied Physics Letters, 81 12: 2285-2287. doi:10.1063/1.1507826

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Author Ma, Dongge Ma
Lupton, J. M.
Samuel, I. D. W.
Lo, Shi-Chun
Burn, P. L.
Title Bright electroluminescence from a conjugated dendrimer
Journal name Applied Physics Letters   Check publisher's open access policy
ISSN 0003-6951
Publication date 2002
Sub-type Article (original research)
DOI 10.1063/1.1507826
Open Access Status File (Publisher version)
Volume 81
Issue 12
Start page 2285
End page 2287
Total pages 3
Place of publication College Park, MD, United States
Publisher American Institute of Physics
Language eng
Subject 030505 Physical Organic Chemistry
Abstract Photoluminescence and electroluminescence (EL) from a conjugated dendrimer consisting of three distyrylbenzene units linked by a central nitrogen atom as core and meta-linked biphenyl units as dendrons were investigated. The conjugated dendrimer emits green light and shows photoluminescence quantum efficiency of 9%. Bright electroluminescence was realized by using bilayer devices with blurred interface, which were fabricated by sequentially spin coating a neat dendrimer and a dendrimer doped with 2-(4-biphenyl)-5-(4-tert-butylphenyl)-1,3,4-oxadiazole (PBD). The devices have the following structure: indium tin oxide/3,4-polyethylenedioxythiothene-polystyrenesulfonate/dendrimer/ dendrimer:PBD/Al. By optimizing the concentration of PBD, the maximum brightness and EL quantum efficiency reach 4100 cd/m(2) and 0.17%, respectively. This is the best result reported so far on organic light-emitting diodes using dendrimer as an active material with an Al cathode. (C) 2002 American Institute of Physics.
Keyword Physics, applied
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ
Additional Notes Erratum: Bright electroluminescence from a conjugated dendrimer (vol 81, pg 2285, 2002)

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Created: Wed, 19 Sep 2007, 15:37:40 EST