White light with phosphorescent protein fibrils in OLEDs

Aurora Rizzo, Niclas Solin, Lars Lindgren, Mats R. Andersson, Olle Inganas

    Research output: Contribution to journalArticlepeer-review

    59 Citations (Scopus)

    Abstract

    Red and yellow phosphorescent insulin amyloid fibrils are used as guest-emitting species within a blue-emitting polyfluorene matrix in light-emitting diodes. The integration of the phosphorescent Ir-complex into the amyloid structures strongly improves the triplet exciton confinement and allows the fabrication of white-emitting device with a very low loading of phosphorescent complex. The overall performances of the devices are improved in comparison with the corresponding bare Ir-complexes. This approach opens a way to explore novel device architectures and to understand the exciton/charge transfer dynamics in phosphorescent light emitting diodes.

    Original languageEnglish
    Pages (from-to)2225-2230
    Number of pages6
    JournalNano Letters
    Volume10
    Issue number6
    DOIs
    Publication statusPublished - 9 Jun 2010

    Keywords

    • Dexter transfer
    • Functionalized amyloid fibrils
    • Phosphorescence
    • Polyfluorene
    • White OLED

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