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Organic/Metal Hybrid Cathode for Transparent Organic Light-Emitting Diodes
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- Authors
- Jin Woo Huh, Jaehyun Moon, Joo Won Lee, Jonghee Lee, Doo-Hee Cho, Jin-Wook Shin, Jun-Han Han, Joohyun Hwang, Chul Woong Joo, Jeong-Ik Lee, Hye Yong Chu
- Issue Date
- 2013-08
- Citation
- Organic Electronics, v.14, no.8, pp.2039-2045
- ISSN
- 1566-1199
- Publisher
- Elsevier
- Language
- English
- Type
- Journal Article
- Abstract
- We report a highly transparent organic/metal hybrid cathode of a Cs-doped electron transport layer (Cs-ETL)/Ag for transparent organic light-emitting diode (TOLED) applications. Particular attention is paid to the surface morphology on the Ag film and its influence on the optical transparency and electrical conductivity. With the use of Cs-ETL, a smooth and continuous surface morphology of Ag film was achieved, leading to a high transmittance of ~75% in TOLED with a low sheet resistance of 4.5 廓/Sq in cathode film. We successfully applied our Cs-ETL/Ag transparent cathode to fabricate highly transparent OLEDs. Our approach suggests a new electrode structure for transparent OLED applications. © 2013 Elsevier B.V. All rights reserved.
- KSP Keywords
- Ag film, Cathode film, Continuous surface, Electrical Conductivity, Electrode structure, High transmittance, Highly transparent, Hybrid cathode, Transparent cathode, electron transport layer, light emitting diodes(LED)