Novel lanthanide complexes for visible and IR emission

In this work we report the synthesis and photophysical properties of a novel ligand and its lanthanide complexes based on macrocycle 1,4,7,10-tetraazacyclododecane-1,4,7-triacetic acid bearing 8-hydroxyquinoline as antenna. Visible and IR sensitized emission is obtained because of the efficient ener...

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Veröffentlicht in:	Synthetic metals 2004-12, Vol.147 (1-3), p.143-147
Hauptverfasser:	Rizzo, F., Papagni, A., Meinardi, F., Tubino, R., Ottonelli, M., Musso, G.F., Dellepiane, G.
Format:	Artikel
Sprache:	eng
Schlagworte:	8-hydroxyquinoline Atomic and molecular physics Exact sciences and technology Fluorescence and phosphorescence spectra Fluorescence and phosphorescence radiationless transitions, quenching (intersystem crossing, internal conversion) Fundamental areas of phenomenology (including applications) IR emission Lanthanide complex Ligand Molecular properties and interactions with photons Optical materials Optics Physics Plastic waveguides
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Beschreibung
Zusammenfassung:	In this work we report the synthesis and photophysical properties of a novel ligand and its lanthanide complexes based on macrocycle 1,4,7,10-tetraazacyclododecane-1,4,7-triacetic acid bearing 8-hydroxyquinoline as antenna. Visible and IR sensitized emission is obtained because of the efficient energy transfer from the antenna to the emitting ion. The interaction between ions and antenna is accounted for by suitable quantum chemical calculations. The good stability of the complexes and their solubility in organic solvents make them good candidates for the fabrication of plastic waveguides and optical amplifiers.
ISSN:	0379-6779 1879-3290
DOI:	10.1016/j.synthmet.2004.05.027