Luminescence properties and solution dynamics of lanthanide complexes composed by a macrocycle hosting site and naphthalene or quinoline appended chromophore (Articolo in rivista)

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  • Luminescence properties and solution dynamics of lanthanide complexes composed by a macrocycle hosting site and naphthalene or quinoline appended chromophore (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Alternative label
  • Quici, S., Cavazzini, M., Raffo, M. C., Botta, M., Giovenzana, G. B., Ventura, B., Accorsi, G., Barigelletti, F. (2007)
    Luminescence properties and solution dynamics of lanthanide complexes composed by a macrocycle hosting site and naphthalene or quinoline appended chromophore
    in Inorganica Chimica Acta (Testo stamp.)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Quici, S., Cavazzini, M., Raffo, M. C., Botta, M., Giovenzana, G. B., Ventura, B., Accorsi, G., Barigelletti, F. (literal)
Pagina inizio
  • 2549 (literal)
Pagina fine
  • 2557 (literal)
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  • 360 (literal)
Rivista
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  • In: Inorganica Chimica Acta, vol. 360 (8) pp. 2549 - 2557. Elsevier, 2007. (literal)
Note
  • ISI Web of Science (WOS) (literal)
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  • Istituto ISTM-CNR Via Golgi 19, I-20133 Milano, Italy Dipartimento di Scienze Ambientali e della Vita, Università del Piemonte Orientale \"Amedeo Avogadro\", Via Bellini 25/G, I-15100 Alessandria, Italy Dipartimento di Scienze Chimiche Alimentari, Farmaceutiche e Farmacologiche, Università degli Studi del Piemonte Orientale \"A. Avogadro\", Via Bovio 6, I-28100 Novara, Italy Istituto ISOF-CNR, Via P. Gobetti 101, I-40129 Bologna, Italy (literal)
Titolo
  • Luminescence properties and solution dynamics of lanthanide complexes composed by a macrocycle hosting site and naphthalene or quinoline appended chromophore (literal)
Abstract
  • The two-component ligand systems 1 and 2 which contain 1,4,7,10-tetraazacyclododecane-1,4,7-triacetic acid (DO3A) as the hosting unit for the lanthanide cations, and naphthalene (which is devoid of any chelating ability) or quinoline units, respectively, as chromophores, were synthesized. The 1:1 complexes with Gd3+, Eu3+ and Tb3+ have been studied in aqueous solution. Relaxometric properties for Gd · 1 indicate that two water molecules (q = 2) are in the first coordination sphere of the metal ion whereas for Gd · 2, q 2 is found. For Gd · 1, these results indicate that the naphthalene unit is not coordinated to the metal centre; for the case of quinoline, reasons for the lower hydration state are discussed. In case of Eu · 1, Tb · 1, Eu · 2, and Tb · 2 the absorption and luminescence spectra, the overall luminescence efficiencies, and the metal-centred lifetimes, were obtained both in water and deuterated water. The coordination features of these complexes were explored by comparing their luminescence properties, resulting in hydration state q (literal)
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