Determination of surface properties of various substrates using TiO2 nanorod coatings with tunable characteristics (Articolo in rivista)

Type
Label
  • Determination of surface properties of various substrates using TiO2 nanorod coatings with tunable characteristics (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Alternative label
  • Caputo, G; Nobile, C; Buonsanti, R; Kipp, T; Manna, L; Cingolani, R; Cozzoli, PD; Athanassiou, A (2008)
    Determination of surface properties of various substrates using TiO2 nanorod coatings with tunable characteristics
    in Journal of materials science
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Caputo, G; Nobile, C; Buonsanti, R; Kipp, T; Manna, L; Cingolani, R; Cozzoli, PD; Athanassiou, A (literal)
Pagina inizio
  • 3474 (literal)
Pagina fine
  • 3480 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 43 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • \"[Caputo, Gianvito; Nobile, Concetta; Buonsanti, Raffaella; Manna, Liberato; Cingolani, Roberto; Cozzoli, P. Davide; Athanassiou, Athanassia] INFM, CNR, NNL, I-73100 Lecce, Italy; [Caputo, Gianvito; Nobile, Concetta; Buonsanti, Raffaella; Cozzoli, P. Davide] Univ Salento, Scuola Super ISUFI, Distretto Tecnol, I-73100 Lecce, Italy; [Kipp, Tobias] Univ Hamburg, Inst Angew Phys, D-2000 Hamburg, Germany; [Kipp, Tobias] Univ Hamburg, Zentrum Mikrostrukturforsch, D-2000 Hamburg, Germany (literal)
Titolo
  • Determination of surface properties of various substrates using TiO2 nanorod coatings with tunable characteristics (literal)
Abstract
  • We present a novel approach to cover different substrates with thin light-sensitive layers that consist of organic-capped TiO2 nanorods (NRs). Such NR-based coatings exhibit an increasing initial hydrophobicity with increasing NR length, and they demonstrate a surface transition from this highly hydrophobic state to a highly hydrophilic one under selective UV-laser irradiation. This behaviour is reversed under long dark storage. Infrared spectroscopy measurements reveal that light-driven wettability changes are accompanied by a progressive hydroxylation of the TiO2 surface. The surfactant molecules that cover the NRs do not appear to suffer for any significant photocatalytic degradation. (literal)
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