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Issue 11, 2012
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Enhanced light extraction in ITO-free OLEDs using double-sided printed electrodes

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Abstract

We show how nanoimprint lithographic techniques are particularly suited for the realization of OLED device structures. We tested them to realize nanopatterned metallic electrodes containing photonic crystals to couple the light out and plasmonic crystals showing extraordinary transmission. At similar current densities, a two-fold electroluminescence is achieved with devices having double-sided structured metallic electrodes as compared to a control OLED with an ITO anode. The use of combined nanoimprint lithography processes has the potential to expand the performance range of various organic optoelectronic devices.

Graphical abstract: Enhanced light extraction in ITO-free OLEDs using double-sided printed electrodes

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Article information


Submitted
22 Dec 2011
Accepted
26 Feb 2012
First published
06 Mar 2012

Nanoscale, 2012,4, 3495-3500
Article type
Paper

Enhanced light extraction in ITO-free OLEDs using double-sided printed electrodes

V. Reboud, A. Z. Khokhar, B. Sepúlveda, D. Dudek, T. Kehoe, J. Cuffe, N. Kehagias, M. Lira-Cantu, N. Gadegaard, V. Grasso, V. Lambertini and C. M. Sotomayor Torres, Nanoscale, 2012, 4, 3495
DOI: 10.1039/C2NR12068B

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