TiO2 colloidal nanocrystals functionalization of PMMA: a tailoring of optical properties and chemical adsorption (Articolo in rivista)

Type
Label
  • TiO2 colloidal nanocrystals functionalization of PMMA: a tailoring of optical properties and chemical adsorption (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.snb.2006.11.043 (literal)
Alternative label
  • A. Convertino; G. Leo; M. Tamborra; C. Sciancalepore; M. Striccoli; M.L. Curri; A. Agostiano (2007)
    TiO2 colloidal nanocrystals functionalization of PMMA: a tailoring of optical properties and chemical adsorption
    in Sensors and actuators. B, Chemical (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • A. Convertino; G. Leo; M. Tamborra; C. Sciancalepore; M. Striccoli; M.L. Curri; A. Agostiano (literal)
Pagina inizio
  • 138 (literal)
Pagina fine
  • 143 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 126 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR, ISMN, I-00016 Monterotondo, Italy Univ Bari, Dipartimento Chim, I-70126 Bari, Italy Univ Bari, Dipartimento Chim, CNR,IPCF, I-70126 Bari, Italy (literal)
Titolo
  • TiO2 colloidal nanocrystals functionalization of PMMA: a tailoring of optical properties and chemical adsorption (literal)
Abstract
  • Colloidal TiO2 rod shaped nanocrystals with different surface ligands (oleic and phosphonic acid) are used for tailoring the optical properties and tuning the chemical adsorption of bare poly(methyl metacrylate) (PMMA) thin films. Refractive index and absorption edge of the hybrid TiO2/PMMA thin films have been determined, for both oleic and phosphonic acid capped nanocrystals, as a function of the nanorod concentration. The swelling of the nanocomposite samples in presence of acetone and ethanol vapours has been investigated. Our results show that nanocomposites with phosphonic acid as surface ligands are more transparent and have a higher refractive index with respect to the films with oleic acid ligands. Furthermore, the presence of inorganic nanorods (NRs) modifies the vapour adsorbing ability of the PMMA and this modification is strongly influenced by the nature of the surface ligands and by the TiO2 nanorod concentration (literal)
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