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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]NO 3 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...
The Eu(III), Tb(III) and Y(III) complexes of an eight-coordinate ligand containing a pendant dansylamidoethyl group were synthesised. Reversible intramolecular binding of the dansylamide nitrogen was demonstrated by UV absorption and luminescence pH titration, although no sensitisation of the Eu(III) or Tb(III) luminescent emission was seen due to lack of population of the chromophore triplet state...
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