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WO3/TiO2 composite coatings: Structural, optical and photocatalytic properties
dc.creator | Dohčević-Mitrović, Zorana | |
dc.creator | Stojadinovic, Stevan | |
dc.creator | Lozzi, Luca | |
dc.creator | Aškrabić, Sonja | |
dc.creator | Rosić, Milena | |
dc.creator | Tomić, Nataša | |
dc.creator | Paunović, Novica M. | |
dc.creator | Lazović, Saša | |
dc.creator | Nikolić, Marko G. | |
dc.creator | Santucci, Sandro | |
dc.date.accessioned | 2018-03-01T17:07:45Z | |
dc.date.available | 2018-03-01T17:07:45Z | |
dc.date.issued | 2016 | |
dc.identifier.issn | 0025-5408 | |
dc.identifier.issn | 1873-4227 | |
dc.identifier.uri | https://vinar.vin.bg.ac.rs/handle/123456789/1234 | |
dc.description.abstract | WO3/TiO2 and TiO2 coatings were prepared on titania substrates using facile and cost-effective plasma electrolytic oxidation process. The coatings were characterized by X-ray diffraction, scanning electron microscopy, Raman, UV vis diffuse reflectance spectroscopy, and X-ray photoelectron spectroscopy. With increasing duration of PEO process, the monoclinic WO3 phase became dominant and new monoclinic WO2.95 phase appeared. The optical absorption edge in the WO3/TiO2 samples, enriched with WO3/WO2.96 phase, was shifted to the visible region. The photocatalytic efficiency of WO3/TiO2 and pure TiO2 samples was evaluated by performing the photodegradation experiments in an aqueous solution of Rhodamine 6G and Mordant Blue 9 under the visible and UV light. The WO3/TiO2 catalysts are much more efficient than pure TiO2 under visible light and slightly better under UV light. The improvement of photocatalytic activity in the visible region is attributed to better light absorption, higher adsorption affinity and increased charge separation efficiency. (C) 2016 Elsevier Ltd. All rights reserved. | en |
dc.relation | info:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/171032/RS// | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/45018/RS// | |
dc.relation | bilateral project Serbia-Italy [RS13M011] | |
dc.rights | restrictedAccess | en |
dc.source | Materials Research Bulletin | en |
dc.subject | Nanostructures | en |
dc.subject | Oxides | en |
dc.subject | Crystal structure | en |
dc.subject | Optical properties | en |
dc.subject | Catalytic properties | en |
dc.title | WO3/TiO2 composite coatings: Structural, optical and photocatalytic properties | en |
dc.type | article | en |
dcterms.abstract | Aскрабиц, Соња; Росић Милена; Лазовиц, Саса; Пауновиц, Новица; Томиц, Натаса; Дохцевиц-Митровиц, Зорана; Лоззи, Луца; Стојадиновиц, Стеван; Сантуцци, Сандро; Николиц, Марко Г.; | |
dc.citation.volume | 83 | |
dc.citation.spage | 217 | |
dc.citation.epage | 224 | |
dc.identifier.wos | 000382793400030 | |
dc.identifier.doi | 10.1016/j.materresbull.2016.06.011 | |
dc.citation.rank | M21 | |
dc.type.version | publishedVersion | |
dc.identifier.scopus | 2-s2.0-84975263176 |