Amine-templated polymeric lanthanide formates: synthesis, characterization and applications in luminescence and magnetism. (Articolo in rivista)

Type
Label
  • Amine-templated polymeric lanthanide formates: synthesis, characterization and applications in luminescence and magnetism. (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/ic300854b (literal)
Alternative label
  • Rossin, Andrea; Giambastiani, Giuliano; Peruzzini, Maurizio; Sessoli, Roberta (2012)
    Amine-templated polymeric lanthanide formates: synthesis, characterization and applications in luminescence and magnetism.
    in Inorganic chemistry (Online); ACS, American chemical society, Washington, DC (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Rossin, Andrea; Giambastiani, Giuliano; Peruzzini, Maurizio; Sessoli, Roberta (literal)
Pagina inizio
  • 6962 (literal)
Pagina fine
  • 6968 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 51 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 7 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • -Consiglio Nazionale delle Ricerche, Istituto di Chimica dei Composti Organometallici (ICCOM-CNR), Via Madonna del Piano 10, 50019 Sesto Fiorentino (Firenze), Italy. -Dipartimento di Chimica \"Ugo Schiff\" & INSTM, Università degli Studi di Firenze, Via della Lastruccia 3, 50019 Sesto Fiorentino (Firenze), Italy. (literal)
Titolo
  • Amine-templated polymeric lanthanide formates: synthesis, characterization and applications in luminescence and magnetism. (literal)
Abstract
  • The novel polymeric formates of general formula [(Fmd)LnIII(HCOO)4]n (Fmd+ = NH2-CH+-NH2; Ln = Eu (1), Gd (2), Tb (3), Dy (4)] were synthesized through solvothermal methods in formamide solutions. The compounds are isotructural; they crystallize in the orthorhombic C2221 chiral space group. The coordination geometry at the metal centers is square anti-prismatic (coordination number eight), with each formate ligand bridging adjacent lanthanide ions. The overall negative 3D framework charge is balanced by the formamidinium cations sitting inside the channels along the a axis, forming extensive N-H---O hydrogen bonding with the surrounding cage. All the compounds have been characterized through single-crystal / powder X-ray diffraction, IR spectroscopy and TG-MS analysis. Finally, their luminescence and magnetic properties have been assessed, leading to remarkable emission intensities, especially for the Tb(III) compound (phi = 0.83), with corresponding lifetime decays in the micro (Dy) and millisecond (Tb, Eu) timescale. A weak but sizeable antiferromagnetic interaction has been observed for the Gd(III) derivative. (literal)
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