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Enhancement of Organic Light-Emitting Diodes Efficiency Using Carbon Nanotube Doped Hole-Injection Layer on the Al-Doped ZnO Anode
- Authors
- Chun, Ji-Yun; Han, Jin-Woo; Kim, Tae-Wan; Seo, Dae-Shik
- Issue Date
- 2012
- Publisher
- ELECTROCHEMICAL SOC INC
- Citation
- ECS SOLID STATE LETTERS, v.1, no.3, pp.R13 - R15
- Journal Title
- ECS SOLID STATE LETTERS
- Volume
- 1
- Number
- 3
- Start Page
- R13
- End Page
- R15
- ISSN
- 2162-8742
- Abstract
- Nanocomposite layers consisting of multi-walled carbon nanotubes (MWCNTs)-doped poly(3-hexylthiophene) (P3HT) were employed as a hole-injection layer (HIL) in organic light-emitting diodes (OLEDs). The structure of OLED is glass/Al-doped zinc oxide/MWCNTs-doped P3HT/N,N'-bis(3-methylphenyl)-N,N'-bis(phenyl) benzidine/tris(8-hydroxyquinolinato) aluminum/LiF/Al. The obtained current efficiency of the OLED is as high as similar to 10 cd/A, which is about 30% higher than that of a conventional device without a MWCNTs-doped HIL. As a result, the MWCNTs-doped HIL could elevate the overall performance of the OLEDs and can be easily adopted in the manufacturing process. (C) 2012 The Electrochemical Society. [DOI: 10.1149/2.004203ssl] All rights reserved.
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Related Researcher
- Kim, Tae Wan
- Engineering (Applied Science)