Thermoreversible luminescent organogels doped with Eu(TTA)3phen complex (Articolo in rivista)

Type
Label
  • Thermoreversible luminescent organogels doped with Eu(TTA)3phen complex (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.jcis.2013.02.012 (literal)
Alternative label
  • M. L. Di Lorenzo, M. Cocca, G. Gentile, M. Avella, D. Gutierrez, M. Della Pirriera, M Kennedy, H. Ahmed, J. Doran. (2013)
    Thermoreversible luminescent organogels doped with Eu(TTA)3phen complex
    in Journal of colloid and interface science (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • M. L. Di Lorenzo, M. Cocca, G. Gentile, M. Avella, D. Gutierrez, M. Della Pirriera, M Kennedy, H. Ahmed, J. Doran. (literal)
Pagina inizio
  • 95 (literal)
Pagina fine
  • 102 (literal)
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  • 398 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 8 (literal)
Note
  • Scopu (literal)
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  • ICTP - Istituto di chimica e tecnologia dei polimeri (CNR), Via Campi Flegrei, 34, 80078 Pozzuoli (NA), Italy Leitat Technological Center, C/de la Innovació, 2, 08225 Terrassa, Barcelona, Spain Dublin Energy Lab, Focas Institute, DIT, Kevin Street, Dublin 8, Ireland (literal)
Titolo
  • Thermoreversible luminescent organogels doped with Eu(TTA)3phen complex (literal)
Abstract
  • This manuscript details the preparation and characterization of luminescent organogels in toluene. Gels were prepared by using 12-hydroxystearic acid (12HSA) as gelator and different amounts of thenoyltrifluoroacetonato 1,10-phenanthroline europium(III) complex (Eu(TTA)3phen). The gelation properties and the thermoreversible behavior from solid-like to liquid systems were investigated by differential scanning calorimetry. At higher concentration, an interaction of Eu complex with the polar group of the gelator was revealed by DSC and FTIR analyses. The spectroscopic behavior of the complex was investigated in toluene solution and in the gel state. TEM analysis revealed that 12HSA is able to solvate the Eu diketonate complex inducing a remarkable increase in the Eu-Eu distance. The Eu(TTA)3phen in the gel state exhibits a very high emission quantum yield, ?, which was found to be independent of Eu complex concentration, at least for the composition range analyzed. These results indicate that 12HSA organogels containing Eu(TTA)3phen are promising materials for optical applications. (literal)
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