Polymer light-emitting diodes with amorphous indium-zinc oxide anodes deposited at room temperature

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Abstract

The authors report on the performance of polymer-based light-emitting diodes, LEDs, using amorphous zinc oxide-doped indium oxide, IZO, as anode. In particular, LEDs with poly[(2-methoxy-5-(2'-ethyl-hexyloxy)-1,4-phenylene vinylene] as electroluminescent layer and aluminium cathodes, show higher efficiency with this IZO anode (0.015 cd/A) than with indium-tin oxide (ITO) (0.010 cd/A). Inspite of the higher resistance of this IZO electrode, compared with ITO, the fact that it can be processed at lower temperatures and allows similar or even higher efficiency values for polymer LEDs make this material a good candidate for display and other optoelectronic applications.
Original languageUnknown
Pages (from-to)1112-1115
JournalSynthetic Metals
Volume159
Issue number11
DOIs
Publication statusPublished - 1 Jan 2009

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