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

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 eff...

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Bibliographic Details
Published in:Synthetic metals 2009-06, Vol.159 (11), p.1112-1115
Main Authors: Bernardo, Gabriel, Gonçalves, Gonçalo, Barquinha, Pedro, Ferreira, Quirina, Brotas, Graça, Pereira, Luís, Charas, Ana, Morgado, Jorge, Martins, Rodrigo, Fortunato, Elvira
Format: Article
Language:English
Subjects:
Application fields
Applied sciences
Electronics
Exact sciences and technology
Indium zinc oxide anodes
Optoelectronic devices
Polymer industry, paints, wood
Polymer light emitting diodes
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Technology of polymers
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Summary: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.
ISSN:0379-6779
1879-3290
DOI:10.1016/j.synthmet.2009.01.037