Recently, environmental purification using photocatalysts has been an active area of investigation. Titanium dioxide (TiO2) is recognized to be appropriatematerial for photocatalyst because of its ...strong oxidizing power under UV irradiation. There are several other compounds which have the abilityto catalyze under UV light, such as Cadmium Sulfate, but unlike Titania, they are highly toxic. Titanium dioxide naturally occurs in three different crystal structures; their band gap is slightly different. Two modifications anatase and rutile are of significant industrial importance. It is proven, that anatase is by far more photo-active modification of titanium dioxide compared to rutile. In our research a procedure for preparation of self-cleaning textile surfaces was studied, i.e. a composite of TiO2 nanoparticles with silica was used for nanocoating preparation. Photocatalytic activity of untreated and modified fibre was evaluated by determination of the photodegradation oxidation of organic dye under UV irradiation conditions and the coatings morphology was studied on SEM images of fibres surfaces.
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