title: UV-curable SiO2-TiO2 films for the realization of diffractive optical elements.
abstract: Hybrid SiO2-TiO2 films are prepared starting from tetraisopropoxy titanate and 3-glycidoxipropyltrimethoxysilane, using the sol-gel process. During the sol synthesis titania clusters grow, conferring to the samples a photocatalytic activity. In this paper we exploit this property for the fabrication of surface-relief gratings. The realized structures are characterized by SEM, AFM and profilometric measurements, while the presence of titania clusters is confirmed by TEM analyses.
authors: Department of Chemical Science, University of Padova, Via Marzolo 1, 35131 Padova, Italy.
authors: Samuele
authors: S
authors: Gardin
authors: Gioia
authors: G
authors: Della Giustina
authors: Giovanna
authors: G
authors: Brusatin
authors: Raffaella
authors: R
authors: Signorini