Journal
MACROMOLECULAR RAPID COMMUNICATIONS
Volume 30, Issue 17, Pages 1477-1482Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.200900234
Keywords
hole-injection layer; long-term stability; organic light emitting diodes; PEDOT; poly(ionic liquid)
Categories
Funding
- InsCon Tech, Co. Ltd
- MKE (The Ministry of Knowledge Economy), Korea
- IITA (Institutefor Information Technology Advancement
- Ministry of Public Safety & Security (MPSS), Republic of Korea [C1090-0902-0025] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [과C6A2001] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Ask authors/readers for more resources
We report that poly(3,4-ethylenedioxythiophene) derived from poly(ionic liquid) (PEDOT:PIL) constitutes a unique polymeric hole-injecting material capable of improving device lifetime in organic light-emitting diodes (OLEDs). Imidazolium-based poly(ionic liquid)s were engineered to impart non-acidic and non-aqueous properties to PEDOT without compromising any other properties of PEDOT. A fluorescent OLED was fabricated using PEDOT:PIL as a hole-injection layer and subjected to a performance evaluation test. In comparison with a control device using a conventional PEDOT-based material, the device with PEDOT:PIL was found to achieve a significant improvement in terms of device lifetime. This improvement was attributed to a lower indium content in the PEDOT:PIL layer, which can be also interpreted as the effective protection characteristics of PEDOT:PIL for indium extraction from the electrodes.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available