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Organic light-emitting diode with polyaniline-poly(styrene sulfonate) as a hole injection layer

Cited 99 time in Web of Science Cited 105 time in Scopus
Authors
Jang, Jyongsik; Ha, Jungseok; Kim, Kyungho
Issue Date
2007-08-15
Publisher
Elsevier
Citation
Thin Solid Films 516 (2008) 3152
Keywords
PolyanilineOrganic light emitting diodeHole injection layerConducting polymer
Abstract
In order to improve the performance of organic light emitting diodes (OLED), a water-dispersed polyaniline-poly(styrene sulfonate) (PANIPSS)was used as a hole injection layer (HIL). The current–voltage and luminescence–current characteristics of the OLED devices were investigated as functions of PANI:PSS weight ratio and the kind of dopants. The PANI-PSS film coated on the indium–tin oxide showed a reduced surface roughness, higher work function, and improved transparency, compared to poly(3,4-ethylenedioxythiophene) (PEDOT)-PSS. In addition, PANI-PSS HIL led to a better operation voltage reduction (ca. 15%) and displayed a higher level of luminance performance (ca. 30%) than the commercial PEDOT-PSS system.
ISSN
0040-6090
Language
English
URI
https://hdl.handle.net/10371/58454
DOI
https://doi.org/10.1016/j.tsf.2007.08.088
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Chemical and Biological Engineering (화학생물공학부)Journal Papers (저널논문_화학생물공학부)
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