Organic Light-Emitting Diodes on Solution-Processed Graphene Transparent Electrodes
Becerril, Héctor A.
KAUST Grant NumberKUS-C1-015-21
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AbstractTheoretical estimates indicate that graphene thin films can be used as transparent electrodes for thin-film devices such as solar cells and organic light-emitting diodes, with an unmatched combination of sheet resistance and transparency. We demonstrate organic light-emitting diodes with solution-processed graphene thin film transparent conductive anodes. The graphene electrodes were deposited on quartz substrates by spincoating of an aqueous dispersion of functionalized graphene, followed by a vacuum anneal step to reduce the sheet resistance. Small molecular weight organic materials and a metal cathode were directly deposited on the graphene anodes, resulting in devices with a performance comparable to control devices on indium-tin-oxide transparent anodes. The outcoupling efficiency of devices on graphene and indium-tin-oxide is nearly identical, in agreement with model predictions. © 2010 American Chemical Society.
CitationWu J, Agrawal M, Becerril HA, Bao Z, Liu Z, et al. (2010) Organic Light-Emitting Diodes on Solution-Processed Graphene Transparent Electrodes. ACS Nano 4: 43–48. Available: http://dx.doi.org/10.1021/nn900728d.
SponsorsThis work was supported by the National Science Foundation, the Global Climate and Energy Project at Stanford (GCEP), and the Center for Advanced Molecular Photovoltaics (CAMP) (Award No KUS-C1-015-21), made by King Abdullah University of Science and Technology (KAUST).
PublisherAmerican Chemical Society (ACS)
CollectionsPublications Acknowledging KAUST Support
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