Effect of Pr3+ doping on the OH content of silica xerogels (Articolo in rivista)

Type
Label
  • Effect of Pr3+ doping on the OH content of silica xerogels (Articolo in rivista) (literal)
Anno
  • 1999-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1023/A:1008699412259 (literal)
Alternative label
  • Armellini, C.a, Del Longo, L.a, Ferrari, M.a, Montagna, M.b, Pucker, G.b, Sagoo, P.b (1999)
    Effect of Pr3+ doping on the OH content of silica xerogels
    in Journal of sol-gel science and technology
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Armellini, C.a, Del Longo, L.a, Ferrari, M.a, Montagna, M.b, Pucker, G.b, Sagoo, P.b (literal)
Pagina inizio
  • 599 (literal)
Pagina fine
  • 603 (literal)
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  • 13 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 5 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 1-3 (literal)
Note
  • Scopu (literal)
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  • a C.N.R.-CeFSA, via Sommarive 14, 38050 Povo-Trento, Italy; b INFM, Dip. Fisica, Univ. Trento, via Sommarive 14, 38050 Povo-Trento, Italy (literal)
Titolo
  • Effect of Pr3+ doping on the OH content of silica xerogels (literal)
Abstract
  • Pr2O3-SiO2 xerogels doped with different Pr/Si concentrations were annealed at 900°C for 120 h and then investigated by FTIR, NIR absorption, Raman and luminescence spectroscopies. It is observed that the content of surface silanol groups is lower for higher Pr3+ concentrations. Luminescence measurements indicate that the amount of the residual OH plays an important role in the spectroscopic properties of the Pr3+ ion and in particular the quantum yield of the emission from the 3P0, 1 and 1D2 states. (literal)
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