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Advanced Materials

Efficient Polymer Light-Emitting Diode Using Air-Stable Metal Oxides as Electrodes


  • This work has been supported by the European Union (Heteromolmat, STRP 516982, CombOLED, STRP 215934), ESF Eurocores-05SONS- FP-021, the Spanish Ministry of Science and Innovation (MICINN) (MAT2006-28185-E, MAT2007-61584, CSD2007-00010), and the Generalitat Valenciana. H. J. B acknowledges the support of the Program “Ramon y Cajal” of the MICINN. Dr. H. Becker and Dr. H. Spreitzer of Merck are acknowledged for the supply of SY.


Poly(phenylenevinylene)-based organic light-emitting diodes (OLEDs) are fabricated using air-stable metal oxides as electrodes, producing very efficient and bright electroluminescent devices. Efficiencies of 8 cd A−1 and luminances above 20000 cd m−2 are obtained, comparable to the values reported for classic OLED structures using reactive metals as cathodes.

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