Visible and near-infrared light emitting calix[4]arene-based ternary lanthanide complexes

G.A. Hebbink, S.I. Klink, Patrick G.B. Oude Alink, F.C.J.M. van Veggel

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    Abstract

    In this article ternary lanthanide complexes consisting of a calix[4]arene unit and dibenzoylmethane (dbm) as the antenna are described. In the europium complex [(Eu)2]NO3 two solvent molecules are still coordinated to the ion, making substitution of them by the dbm antenna possible. In the ternary complex of europium, an energy back-transfer process plays an important role. The photophysical properties of complexes of three near-infrared emitting lanthanide(III) ions were determined, i.e. ytterbium, neodymium, and erbium. These exhibit dbm-sensitized emission, with luminescent lifetimes comparable to those in other organic ligand systems.
    Original languageUndefined
    Pages (from-to)114-120
    JournalInorganica chimica acta
    Volume317
    Issue number1-2
    DOIs
    Publication statusPublished - 2001

    Keywords

    • Luminescence
    • Lanthanide complexes
    • METIS-203091
    • Calix[4]arene complexes
    • IR-74486

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