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Title:Cu and Zr surface sites in photocatalytic activity of TiO [sub] 2 nanoparticles : the effect of Zr distribution
Authors:ID Pliekhova, Olena (Author)
ID Pliekhov, O. L. (Author)
ID Fanetti, Mattia (Author)
ID Arčon, Iztok (Author)
ID Novak Tušar, Nataša (Author)
ID Lavrenčič Štangar, Urška (Author)
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Work type:Not categorized
Typology:1.01 - Original Scientific Article
Organization:UNG - University of Nova Gorica
Abstract:The present work is focused on the role of ZrO2 modification in the performance of CuO modified TiO2. Zirconia loading leads to formation of more resistant photocatalytic layers compared to samples modified with only copper containing species. Surface modification of mixed phase TiO2 with CuO/ZrO2 improves the degradation of Reactive blue 19 dye under simulated solar irradiation. An in-depth investigation of the catalysts showed that in case of CuO/ZrO2 modification, the covering of the TiO2 surface with zirconium containing species prevents morphological and harmful energetic changes induced by copper species formed on the rutile TiO2 phase at a higher copper loading.
Keywords:titanium dioxide, surface modification, XAS analysis, surface acidity, Hammett indicators
Year of publishing:2019
Number of pages:str. 1-6
Numbering:#Vol. #, 328
PID:20.500.12556/RUNG-4440-cc492e3d-afa7-ad48-9fbe-d29accbe2388 New window
COBISS.SI-ID:1538149571 New window
ISSN on article:0920-5861
DOI:10.1016/j.cattod.2019.01.022 New window
Publication date in RUNG:26.03.2019
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Title:Catalysis today
Shortened title:Catal. today
COBISS.SI-ID:15324421 New window

Secondary language

Keywords:titanov dioksid, površinska modifikacija, XAS analiza, kisla mesta, Hammett indikatorji