Davide Barreca (Avtor), Giorgio Carraro (Avtor), Alberto Gasparotto (Avtor), Chiara Maccato (Avtor), Cinzia Sada (Avtor), Elza Bontempi (Avtor), Mariangela Brisotto (Avtor), Olena Pliekhova (Avtor), Urška Lavrenčič Štangar (Avtor)

Povzetek

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.

Ključne besede

Fe2O3;WO3;nanocomposites;chemical vapor deposition;sputtering;photocatalysis;

Podatki

Jezik: Angleški jezik
Leto izida:
Tipologija: 1.01 - Izvirni znanstveni članek
Organizacija: UNG - Univerza v Novi Gorici
UDK: 543.2/.9
COBISS: 4461563 Povezava se bo odprla v novem oknu
ISSN: 0944-1344
Št. ogledov: 4248
Št. prenosov: 0
Ocena: 0 (0 glasov)
Metapodatki: JSON JSON-RDF JSON-LD TURTLE N-TRIPLES XML RDFA MICRODATA DC-XML DC-RDF RDF

Ostali podatki

URN: URN:SI:UNG
Vrsta dela (COBISS): Delo ni kategorizirano
Strani: str. 20350-20359
Letnik: ǂVol. ǂ23
Zvezek: ǂiss. ǂ20
Čas izdaje: 2016
DOI: 10.1007/s11356-016-7226-8
ID: 9160334