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1.
Novel two-step vapor-phase synthesis of UV – Vis light active Fe2O3/WO3 nanocomposites for phenol degradation
Urška Lavrenčič Štangar, Olena Pliekhova, Mariangela Brisotto, Elza Bontempi, Cinzia Sada, Chiara Maccato, Alberto Gasparotto, Giorgio Carraro, Davide Barreca, 2016, izvirni znanstveni članek

Opis: 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.
Najdeno v: osebi
Ključne besede: Fe2O3, WO3, Nanocomposites, Chemical vapor deposition, Sputtering, Photocatalysis
Objavljeno: 03.08.2016; Ogledov: 1783; Prenosov: 0
.pdf Polno besedilo (1,91 MB)

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Zr and Cu modified TiO2 photocatalysts for water treatment
Olena Pliekhova, Urška Lavrenčič Štangar, 2016, objavljeni povzetek znanstvenega prispevka na konferenci

Najdeno v: osebi
Ključne besede: TiO2, water treatment, surface modification
Objavljeno: 23.08.2017; Ogledov: 1112; Prenosov: 0
.pdf Polno besedilo (564,11 KB)

4.
Structural analysis of sunlight efficient Cu and Zr modified TiO2 photocatalyst
Olena Pliekhova, Iztok Arčon, Urška Lavrenčič Štangar, 2017, objavljeni povzetek znanstvenega prispevka na konferenci

Najdeno v: osebi
Ključne besede: TiO2, photocatalysis, EXAFS, surface modification
Objavljeno: 23.08.2017; Ogledov: 1108; Prenosov: 0
.pdf Polno besedilo (577,74 KB)

5.
Contribution of Cu and Zr to the Properties of TiO2 for Photocatalytic Water Treatment
Olena Pliekhova, Iztok Arčon, Nataša Novak Tušar, Urška Lavrenčič Štangar, 2017, objavljeni povzetek znanstvenega prispevka na konferenci

Najdeno v: osebi
Ključne besede: Photocatalysis, water treatment, surface modification, durability
Objavljeno: 23.08.2017; Ogledov: 1182; Prenosov: 0
.pdf Polno besedilo (509,62 KB)

6.
Role of Surface Cu-O-Zr Sites in the Photocatalytic Activity of TiO2 Nanoscale Particles
Nataša Novak Tušar, Iztok Arčon, Urška Lavrenčič Štangar, Olena Pliekhova, 2016, objavljeni povzetek znanstvenega prispevka na konferenci

Najdeno v: osebi
Ključne besede: Photocatalysis, Titanium dioxide, Copper, Zirconia, co-doping, EXAFS, XANES
Objavljeno: 23.08.2017; Ogledov: 1242; Prenosov: 0
.pdf Polno besedilo (426,28 KB)

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Crystal phase controlled synthesis of TiO2 nanoparticles by solution combustion method
Olena Pliekhova, Urška Lavrenčič Štangar, 2018, objavljeni znanstveni prispevek na konferenci

Najdeno v: osebi
Ključne besede: Solution combustion, titanium dioxide, carbohydrazide, chloride ion, fluoride ion
Objavljeno: 10.09.2018; Ogledov: 461; Prenosov: 0
.pdf Polno besedilo (3,75 MB)

10.
The effect of Zr loading on photocatalytic activity of Cu modified TiO [sub] 2
Urška Lavrenčič Štangar, Nataša Novak Tušar, Iztok Arčon, Mattia Fanetti, O. L. Pliekhov, Olena Pliekhova, 2018, objavljeni povzetek znanstvenega prispevka na konferenci

Najdeno v: osebi
Ključne besede: Cu Zr modified TiO2, EXAFS, XANES
Objavljeno: 12.09.2018; Ogledov: 409; Prenosov: 0
.pdf Polno besedilo (990,75 KB)

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