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학술지 Optical Effects of Graphene Electrodes on Organic Light-Emitting Diodes
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저자
조현수, 신진욱, 조남성, 문제현, 한준한, 권영덕, 조승민, 이정익
발행일
201601
출처
IEEE Journal of Selected Topics in Quantum Electronics, v.22 no.1, pp.1-6
ISSN
1077-260X
출판사
IEEE
DOI
https://dx.doi.org/10.1109/JSTQE.2015.2475184
초록
We performed optical simulations and experiments to investigate the internal optics of graphene anode organic light-emitting diodes (OLEDs). The efficiencies, emission distribution, and spectral characteristics of four-layered graphene anode OLEDs were extracted and compared to those of ITO anode OLEDs. Unlike the case of the ITO anode OLED, the efficiencies and emission distributions of graphene anode OLEDs showed a weak dependency on the thickness of the organic layers. Furthermore, marginal changes in the emission spectra were observed. These results were ascribed to the negligible presence of a microcavity effect in the graphene anode OLED.
KSP 제안 키워드
Microcavity effect, Optical effects, Optical simulation, Organic layers, Organic light-emitting diodes(OLEDS), Spectral characteristics, emission spectra, graphene anode, graphene electrode, light-emitting diode(LED)