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Title:Novel two-step vapor-phase synthesis of UV – Vis light active Fe2O3/WO3 nanocomposites for phenol degradation
Authors:ID Barreca, Davide, Padova University (Author)
ID Carraro, Giorgio, Padova University (Author)
ID Gasparotto, Alberto, Padova University (Author)
ID Maccato, Chiara, Padova University (Author)
ID Sada, Cinzia, Padova University (Author)
ID Bontempi, Elza, Brescia University (Author)
ID Brisotto, Mariangela, Brescia University (Author)
ID Pliekhova, Olena, University of Nova Gorica (Author)
ID Lavrenčič Štangar, Urška, University of Nova Gorica (Author)
Files:This document has no files that are freely available to the public. This document may have a physical copy in the library of the organization, check the status via COBISS. Link is opened in a new window
Work type:Not categorized
Typology:1.01 - Original Scientific Article
Organization:UNG - University of Nova Gorica
Abstract:Supported Fe2O3/WO3 nanocomposites were fabricated by an original vapor phase approach, involving the chemical vapor deposition (CVD) of Fe2O3 on Ti sheets and the subsequent radio frequency (RF)-sputtering of WO3. Particular attention was dedicated to the control of the W/Fe ratio, in order to tailor the composition of the resulting materials. The target systems were analyzed by the joint use of complementary techniques, that is, X-ray diffraction (XRD), field emission-scanning electron microscopy (FE-SEM), atomic force microscopy (AFM), energy dispersive X-ray spectroscopy (EDXS), X-ray photoelectron spectroscopy (XPS), secondary ion mass spectrometry (SIMS), and optical absorption spectroscopy. The results showed the uniform decoration of α-Fe2O3 (hematite) globular particles by tiny WO3 aggregates, whose content could be controlled by modulations of the sole sputtering time. The photocatalytic degradation of phenol in the liquid phase was selected as a test reaction for a preliminary investigation of the system behavior in wastewater treatment applications. The system activity under both UVand Vis light illumination may open doors for further material optimization in view of real-world end-uses.
Keywords:Fe2O3, WO3, Nanocomposites, Chemical vapor deposition, Sputtering, Photocatalysis
Article version:Publisher's version of article
Year of publishing:2016
Number of pages:10
PID:20.500.12556/RUNG-2529 New window
COBISS.SI-ID:4461563 New window
DOI:10.1007/s11356-016-7226-8 New window
Publication date in RUNG:03.08.2016
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Record is a part of a journal

Title:Environmental Science and Pollution Research
Shortened title:Environ Sci Pollut Res
Publisher:Springer Verlag (Germany)
Year of publishing:2016