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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)
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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.)
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- Quici, S., Cavazzini, M., Raffo, M. C., Botta, M., Giovenzana, G. B., Ventura, B., Accorsi, G., Barigelletti, F. (literal)
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- In: Inorganica Chimica Acta, vol. 360 (8) pp. 2549 - 2557. Elsevier, 2007. (literal)
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- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- 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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