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학술지 Achieving High Efficiency and Improved Stability in ITO-Free Transparent Organic Light-Emitting Diodes with Conductive Polymer Electrodes
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저자
Yong Hyun Kim, 이종희, Simone Hofmann, Malte C. Gather, Lars Mueller-Meskamp, Karl Leo
발행일
201308
출처
Advanced Functional Materials, v.23 no.30, pp.3763-3769
ISSN
1616-301X
출판사
John Wiley & Sons
DOI
https://dx.doi.org/10.1002/adfm.201203449
협약과제
12VB1300, 에너지 절감을 위한 7인치기준 2W급 환경적응 디스플레이 신모드 핵심 원천 기술 개발, 추혜용
초록
Efficient transparent organic light-emitting diodes (OLEDs) with improved stability based on conductive, transparent poly(3,4-ethylenedioxythiophene): poly(styrenesulfonate) (PEDOT:PSS) electrodes are reported. Based on optical simulations, the device structures are carefully optimized by tuning the thickness of doped transport layers and electrodes. As a result, the performance of PEDOT:PSS-based OLEDs reaches that of indium tin oxide (ITO)-based reference devices. The efficiency and the long-term stability of PEDOT:PSS-based OLEDs are significantly improved. The structure engineering demonstrated in this study greatly enhances the overall performances of ITO-free transparent OLEDs in terms of efficiency, lifetime, and transmittance. These results indicate that PEDOT:PSS-based OLEDs have a promising future for practical applications in low-cost and flexible device manufacturing. Transparent organic light-emitting diodes (OLEDs) with conductive, transparent poly(3,4-ethylenedioxythiophene): poly(styrenesulfonate) (PEDOT:PSS) electrodes are carefully optimized by tuning the device structure. The efficiency of PEDOT:PSS-based OLEDs is comparable to that of conventional indium tin oxide-based OLEDs. Long-term stability of OLEDs with PEDOT:PSS is significantly improved, showing a promising future for practical applications. Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
키워드
organic light-emitting diodes, transparent devices, transparent electrodes
KSP 제안 키워드
4-Ethylenedioxythiophene(EDOT), 4-ethylenedioxythiophene):poly(4-styrenesulfonate)(PEDOT:PSS), Co. KGaA, Device structure, Doped transport layers, ITO-free, Improved stability, Long-Term Stability, Low-cost, Optical simulation, Organic light-emitting diodes(OLEDS)