Special Section on Organic Light-Emitting Materials and Devices

Design of dielectric/metal/dielectric transparent electrodes for flexible electronics

[+] Author Affiliations
Sungjun Kim

Pohang University of Science and Technology (POSTECH), Division of Advanced Materials Science, Department of Materials Science and Engineering, Pohang, Gyeongbuk 790-784, Republic of Korea

Jong-Lam Lee

Pohang University of Science and Technology (POSTECH), Division of Advanced Materials Science, Department of Materials Science and Engineering, Pohang, Gyeongbuk 790-784, Republic of Korea

J. Photon. Energy. 2(1), 021215 (Oct 10, 2012). doi:10.1117/1.JPE.2.021215
History: Received February 25, 2012; Revised August 29, 2012; Accepted August 31, 2012
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Abstract.  A flexible transparent electrode (FTE) is one of the most essential parts for the next generation of flexible optoelectronic devices, including solar cells, displays, and solid-state lighting devices. Although a lot of candidate materials for the FTE such as metallic nanowires, carbon nanotube, and graphene have been investigated, each material has fundamental limits as FTE applications, such as low transmittance (70% to 80%), high sheet resistance (>100ohm/sq) and rough surface morphology. Dielectric/metal/dielectric (DMD) electrode structure is a promising candidate for next-generation flexible transparent electrodes. Compared with other transparent electrodes, DMD electrodes show best performance in terms of optical transparency, sheet resistance, and mechanical flexibility. In addition, it has been also reported that the device performances can be significantly enhanced by the microcavity effects with the DMD electrodes. We review the relevant principles and discusses recent progress in DMD electrodes.

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© 2012 Society of Photo-Optical Instrumentation Engineers

Citation

Sungjun Kim and Jong-Lam Lee
"Design of dielectric/metal/dielectric transparent electrodes for flexible electronics", J. Photon. Energy. 2(1), 021215 (Oct 10, 2012). ; http://dx.doi.org/10.1117/1.JPE.2.021215


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