6533b7dbfe1ef96bd126ffb1

RESEARCH PRODUCT

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

Evgenia P. GilshteynMichele SessoloEsko I. KauppinenIlkka VarjosAlbert G. NasibulinAlbert G. NasibulinAntonio PertegásLaura Martínez-sartiHenk J. BolinkMaría Monrabal-capilla

subject

Materials scienceLight-emitting electrochemical cellsFlexible devices02 engineering and technologySubstrate (electronics)Carbon nanotubeElectroluminescence010402 general chemistry01 natural sciencesElectrochemical celllaw.inventionBiomaterialsPEDOT:PSSlawSWCNTsMaterials ChemistryOLEDWork functionElectrical and Electronic Engineeringta114business.industryOLEDsGeneral ChemistryTransition metal complex021001 nanoscience & nanotechnologyCondensed Matter Physics0104 chemical sciencesElectronic Optical and Magnetic MaterialsElectroluminescenceElectrodeOptoelectronics0210 nano-technologybusiness

description

Abstract 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.

yearjournalcountryeditionlanguage
2016-03-01ORGANIC ELECTRONICS
10.1016/j.orgel.2015.12.011https://doi.org/10.1016/j.orgel.2015.12.011