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Thermal techniques as a tool for the direction of the preparation of photocatalytically efficient titania thin films and powders : Elektronski virHorvat, Petra, 1985- ...Photocatalytically active titania thin films and powders were prepared via sol-gel route from TiCl4 precursor. Organic polymer hydroxypropyl cellulose was added into sol in order to increase active ... surface area. Thin films were deposited onto substrates using dip-coating technique. Thin films and xerogels were thermally treated in a muffle furnace to a different extent. Temperature of heat treatment was determined using thermogravimetry and differential scanning calorimetry, while X-ray diffraction was used to identify the formation of the anatase phase, eventual presence of other crystalline formations and the average particle size. The shape and size of the pores of the selected thin films were analyzed using SEM, while specific surface area of selected thermally treated xerogels was determined using Brunauer-Emmett-Teller (BET) surface area analysis. Measurements of photocatalytic efficiency of thin films and powders were performed by FT-IR spectroscopy; for thin films on the basis of diminishing C%H stretching vibrations of model fatty compound methyl stearate during irradia-tion with UVA light, while in the case of powders the oxidation of isopropanol into acetone was the model photocatalytic reaction. Obtained results confirm that different factors, such as particle size, porosity, thickness of thin film, the presence and type of crystalline titania modification have a substantial effect on photocatalytic efficiency of prepared titania materials.Vir: Journal of thermal analysis and calorimetry [Elektronski vir]. - ISSN 1588-2926 (2020, str. 1-11)Vrsta gradiva - e-članek ; neleposlovje za odrasleLeto - 2020Jezik - angleškiCOBISS.SI-ID - 24455683
Avtor
Horvat, Petra, 1985- |
Sever Škapin, Andrijana |
Lavrenčič Štangar, Urška |
Cerc Korošec, Romana
Teme
Titania |
tanki filmi |
kserogeli |
fotokataliza |
termogravimetrija |
DSC |
Titania |
thin films |
xerogels |
photocatalysis |
thermogravimetry |
DSC
Vnos na polico
Trajna povezava
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
Ime baze podatkov | Področje | Leto |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Horvat, Petra, 1985- | 34926 |
Sever Škapin, Andrijana | 12521 |
Lavrenčič Štangar, Urška | 11873 |
Cerc Korošec, Romana | 16256 |
Vir: Osebne bibliografije
in: SICRIS
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