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Effects of buffer layer in organic light-emitting diodes
- Issue Date
- 2002
- Publisher
- TAYLOR & FRANCIS LTD
- Keywords
- external quantum efficiency; buffer layer; OLEDs
- Citation
- MOLECULAR CRYSTALS AND LIQUID CRYSTALS, v.377, pp.129 - 132
- Journal Title
- MOLECULAR CRYSTALS AND LIQUID CRYSTALS
- Volume
- 377
- Start Page
- 129
- End Page
- 132
- ISSN
- 1058-725X
- Abstract
- We have seen the effects of buffer layer in organic light-emitting diodes using poly(vinyl carbazole)(PVK), copper phthalocyanine(CuPc) and poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate)(PEDOT:PSS) in a device structure of ITO/buffer/TPD/Alq(3)/Al. We have obtained an improvement of external quantum efficiency by a factor of four when the PVK layer is used. The PEDOT:PSS layer not only gives an improvement of efficiency by a factor two, but reduces an operating voltage as well.
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Collections - College of Engineering > Department of Science > 1. Journal Articles
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Related Researcher
- Kim, Tae Wan
- Engineering (Applied Science)