NDLI: Organic electroluminescent characteristics of PS:NPB composite hole transporting layer

Content Provider	Springer Nature Link
Author	Suo, Fan Yu, Junsheng Deng, Jing Lou, Shuangling Jiang, Yadong
Copyright Year	2008
Abstract	Green organic light-emitting devices with a structure of indium-tin-oxide (ITO)/polystyrene (PS):N,N′-bis-(3-naphthyl)-N,N′-biphenyl-(1,1′-biphenyl)-4,4′-diamine (NPB)/tris-(8-hydroxyquinoline)-aluminum (Alq$_{3}$)/Mg:Ag were fabricated. A doping system consisting of small-molecular hole transporting material NPB and polymeric matrix PS was applied as a composite hole transporting layer (HTL), and the thin film preparation was simplified via spin-coating technique. By adjusting the component ratio of the doping system, several devices with different concentration proportion of PS:NPB are constructed. The electroluminescent characteristics of the devices were investigated and discussed. This study demonstrated that the difference of doping concentration of NPB has a remarkable impact on the optoelectronic performance of both HTL and the devices. Optimum device performance can be obtained by choosing a suit-able concentration proportion of PS:NPB at 1:1. This study contributes to the construction of composite functional layers of organic light-emitting diode (OLED) devices and to the technical modification.
Starting Page	323
Ending Page	328
Page Count	6
File Format	PDF
ISSN	16744128
Journal	Frontiers of Optoelectronics
Volume Number	1
Issue Number	3-4
e-ISSN	16744594
Language	English
Publisher	SP Higher Education Press
Publisher Date	2008-11-14
Publisher Institution	Chinese Universities
Publisher Place	Heidelberg
Access Restriction	Subscribed
Subject Keyword	organic light-emitting device N,N′-bis-(3-naphthyl)-N,N′-biphenyl-(1,1′-biphenyl)-4,4′-diamine (NPB) polystyrene composite hole transporting layer device performance Biomedical Engineering Electromagnetism, Optics and Lasers Electrical Engineering
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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