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

Vincent Reboud, Ali Z. Khokhar, Borja Sepúlveda, Damian Dudek, Tim Kehoe, John Cuffe, Nikolaos Kehagias, Mónica Lira-Cantu, Nikolaj Gadegaard, Valentina Grasso, Vito Lambertini, Clivia M. Sotomayor Torres

Research output: Contribution to journalArticleResearchpeer-review

16 Citations (Scopus)

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. © 2012 The Royal Society of Chemistry.
Original languageEnglish
Pages (from-to)3495-3500
JournalNanoscale
Volume4
Issue number11
DOIs
Publication statusPublished - 7 Jun 2012

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