Title: Blue light emitting diodes(LED) based on alkoxy substituted biphenyl trimer as guest
Authors: Ding, XB
Zheng, JG
Jin, YD
Heremans, PL
Geise, HJ
Borghs, Gustaaf #
Issue Date: Apr-2003
Publisher: Elsevier science sa
Series Title: Synthetic Metals vol:137 issue:1-3 pages:1003-1004
Abstract: A novel blue emission compound containing biphenyl and stilbene moieties is developed. An investigation of a LED based on this compound blended as guest in Poly (N-vinylcarbazole)PVK matrix is presented. Insertion of a thin LiF layer between the aluminum and active layer results in enhanced quantum efficiency (QE) and brightness. The QE reaches 0.4%, using Aluminum(Al) only as cathode, when 2-(4-biphenyl)-5-(4-tert-butylphenyl)-1,3,4-oxadiazole (PBD) is introduced to the blend matrix.
ISSN: 0379-6779
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Physics and Astronomy - miscellaneous
# (joint) last author

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