TiO2 nanorods/PMMA copolymer-based nanocomposites: highly homogeneous linear and nonlinear optical material (Articolo in rivista)

Type
Label
  • TiO2 nanorods/PMMA copolymer-based nanocomposites: highly homogeneous linear and nonlinear optical material (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Alternative label
  • Sciancalepore C, Cassano T, Curri ML, Mecerreyes D., Valentini A., Agostiano A., Tommasi R., Striccoli M. (2008)
    TiO2 nanorods/PMMA copolymer-based nanocomposites: highly homogeneous linear and nonlinear optical material
    in Nanotechnology (Bristol. Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Sciancalepore C, Cassano T, Curri ML, Mecerreyes D., Valentini A., Agostiano A., Tommasi R., Striccoli M. (literal)
Pagina inizio
  • 205705 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 19 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Univ Bari, Dipartmento Chim, I-70126 Bari, Italy Univ Bari, Dipartimento Interateneo Fis, I-70126 Bari, Italy Univ Bari, Ist Nazl Fis Nucl, I-70126 Bari, Italy CNR, IPCF Sede Bari, I-70126 Bari, Italy CIDETEC, Ctr Technol Electroquim, Parque Technol San Sebastian, E-20009 San Sebastian, Spain Univ Bari, Dipartimento Biochim Med Biol Med & Fis Med, I-70124 Bari, Italy (literal)
Titolo
  • TiO2 nanorods/PMMA copolymer-based nanocomposites: highly homogeneous linear and nonlinear optical material (literal)
Abstract
  • Original nanocomposites have been obtained by direct incorporation of pre-synthesized oleic acid capped TiO2 nanorods into properly functionalized poly(methyl methacrylate) copolymers, carrying carboxylic acid groups on the repeating polymer unit. The presence of carboxylic groups on the alkyl chain of the host functionalized copolymer allows an highly homogeneous dispersion of the nanorods in the organic matrix. The prepared TiO2/PMMA-co-MA nanocomposites show high optical transparency in the visible region, even at high TiO2 nanorod content, and tunable linear refractive index depending on the nanoparticle concentration. Finally measurements of nonlinear optical properties of TiO2 polymer nanocomposites demonstrate a negligible two-photon absorption and a negative value of nonlinear refractive index, highlighting the potential of the nanocomposite for efficient optical devices operating in the visible region. (literal)
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