简介：TiO2nanometerthinfilmswithphotocatalyticantibacterialactivitywerepreparedbythesol-gelmethodonfusedquartzandsodalimeglassprecoatedwithaSiO2layer.ThethinfilmswerecharacterizedbyX-rayphotoelectronspectroscopy(XPS),scanningelectronmicroscopy(SEM),andX-raydiffraction(XRD).TheresultsshowthatsodiumandcalciumdiffusionintonascentTiO2filmiseffectivelyretardedbytheSiO2layerpre-coatedonthesodalimeglass.Theantibacterialactivityofthefilmswasdetermined.ThecrystallineofTiO2nano-meterthinfilmhasimportanteffectsontheantibacterialactivityofthefilm.
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