Flexible light-emitting electrochemical cells with single-walled carbon nanotube anodes

Laura Martínez-Sarti, Antonio Pertegás, María Monrabal-Capilla, Evgenia Gilshteyn, Ilkka Varjos, Esko I. Kauppinen, Albert G. Nasibulin, Michele Sessolo, Henk J. Bolink

    Research output: Contribution to journalArticlepeer-review

    20 Citations (Scopus)


    In this work, we demonstrate flexible solution processed light emitting electrochemical cells (LECs) which use single-walled carbon nanotubes (SWCNTs) films as the substrate. The SWCNTs were synthesized by an integrated aerosol method and dry-transferred on the plastic substrates at room temperature. The addition of a screen printed poly (3,4-ethylene dioxythiophene) doped with poly (styrene sulfonate) (PEDOT:PSS) film onto the nanostructured electrode further homogenizes the surface and enlarges the work function, enhancing the hole injection into the active layer. By using an efficient phosphorescent ionic transition metal complex (iTMC) as the active material, efficacies up to 9 cd/A have been obtained. These values are among the highest reported so far for light-emitting diodes employing CNTs as transparent electrode.

    Original languageEnglish
    Pages (from-to)36-39
    Number of pages4
    JournalOrganic Electronics
    Publication statusPublished - 1 Mar 2016


    • Electroluminescence
    • Flexible devices
    • Light-emitting electrochemical cells
    • OLEDs
    • SWCNTs
    • Transition metal complex


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