TiO2 deposition on the surface of activated fluoropolymer substrate

abstract

Anatase-structured TiO2 films were deposited on a commercial fluorinated polymer (FEP) with a treated surface, by means of a sol-gel dip-coating technique. Two different curing temperatures were investigated and the film microstructures were characterized by X-ray diffraction, atomic force microscopy and scanning electron microscopy analyses. The prepared samples presented very high performances in terms of photocatalytic activities, analyzed by the degradation of an organic dye in a liquid medium, and of bactericidal activities, tested on Staphylococcus aureus (S. aureus, a Gram positive bacterium) and Fscherichia coli (E. coli, a Gram negative bacterium). (C) 2011 Elsevier B.V. All rights reserved.

keywords

MODIFIED COTTON TEXTILES; ATOMIC LAYER DEPOSITION; SELF-CLEANING COTTON; SOL-GEL PROCESS; THIN-FILMS; DAYLIGHT IRRADIATION; TITANIUM-DIOXIDE; OXIDE-FILMS; PHOTOCATALYSIS; PARAMETERS

subject category

Materials Science; Physics

authors

Sisti, L; Cruciani, L; Totaro, G; Vannini, M; Berti, C; Tobaldi, DM; Tucci, A; Aloisio, I; Di Gioia, D; Commereuc, S

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