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Synthesis and photophysical characterization of highly luminescent silica film doped with substituted 2-hydroxyphthalamide (IAM) terbium complexes (Articolo in rivista)
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- Synthesis and photophysical characterization of highly luminescent silica film doped with substituted 2-hydroxyphthalamide (IAM) terbium complexes (Articolo in rivista) (literal)
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- 2011-01-01T00:00:00+01:00 (literal)
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- 10.1039/c1dt11131k (literal)
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Armelao L.; Bottaro G.; Quici S.; Cavazzini M.; Scalera C.; Accorsi G. (2011)
Synthesis and photophysical characterization of highly luminescent silica film doped with substituted 2-hydroxyphthalamide (IAM) terbium complexes
in Dalton transactions (2003. Print); Royal Society of Chemistry, Cambridge (Regno Unito)
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- Armelao L.; Bottaro G.; Quici S.; Cavazzini M.; Scalera C.; Accorsi G. (literal)
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- http://pubs.rsc.org/en/Content/ArticleLanding/2011/DT/c1dt11131k#!divAbstract (literal)
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- 1,2 : Istituto di Scienze e Tecnologie Molecolari (ISTM), Consiglio Nazionale Delle Ricerche (CNR), Università di Padova, Via F. Marzolo 1, 35131 Padova, Italy /
2 : Istituto di Metodologie Inorganiche e Dei Plasmi (IMIP), Consiglio Nazionale Delle Ricerche (CNR), Università di Bari, Via E. Orabona 4, Bari 70126, Italy /
3-5 : Istituto di Scienze e Tecnologie Molecolari (ISTM), Consiglio Nazionale Delle Ricerche (CNR), Via C. Golgi 19, 20133 Milano, Italy /
3-5 : Polo Scientifico e Tecnologico (PTS), Consiglio Nazionale Delle Ricerche (CNR), Via Fantoli 16/15, Milano 20138, Italy /
6 : Molecular Photoscience Group, Istituto per la Sintesi Organica e la Fotoreattività (ISOF), Consiglio Nazionale Delle Ricerche (CNR), Via P. Gobetti 101, Bologna 40129, Italy (literal)
- Titolo
- Synthesis and photophysical characterization of highly luminescent silica film doped with substituted 2-hydroxyphthalamide (IAM) terbium complexes (literal)
- Abstract
- Innovative Tb3+ antenna complexes employing two different substituted 2-hydroxyphthalamide ligands (HxOH-IAM and bis-HxOH-IAM) acting simultaneously as coordinating sites and light collector units have been synthesized and successively anchored in silica layers by the solgel technique. The complexes show remarkable photoluminescence (PL) quantum yields in methanol solution, as high as 0.30 and 0.40 for (HxOH-IAM)4ÃTb3+ and (bis-HxOH-IAM)2ÃTb3+, respectively. The grafting of the Tb3+ complexes in silica single layers accomplished by exploiting the terminal hydroxyl groups of the IAM chains results in highly transparent and homogeneous films displaying bright green emission and PL efficiencies of up to 0.40. The silica layers containing the (bis-HxOH-IAM)2ÃTb3+ show remarkable photostability even under prolonged and continuous irradiation (up to 3.5 h). The nature of the IAM ligands allows the photoexcitation of the complexes at wavelengths even longer than 350 nm, which is a spectral window suitable to develop luminescent lanthanide probes dedicated to bioanalyses and bioimaging applications. (literal)
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