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dc.creatorMarković, Smilja
dc.creatorStojković Simatović, Ivana
dc.creatorAhmetović, Sanita
dc.creatorVeselinović, Ljiljana
dc.creatorStojadinović, Stevan
dc.creatorRac, Vladislav
dc.creatorŠkapin, Srečo Davor
dc.creatorUskoković, Dragan
dc.date.accessioned2018-09-03T12:23:03Z
dc.date.available2018-09-03T12:23:03Z
dc.date.issued2018
dc.identifier.isbn978-86-919111-3-3
dc.identifier.urihttp://dais.sanu.ac.rs/123456789/3664
dc.description.abstractZinc oxide-based materials have a great potential to be applied as photocatalysts in the processes of removal of organic and biological pollutants from drinking and wastewaters. A major drawback of ZnO as visible-light absorber is a band energy gap of 3.37 eV, which restricts the material to absorb UV light only. This drawback can be overcame by modifying the optical absorption properties of zinc oxide particles. Different approaches have been applied to modify the visible light photocatalytic activity of ZnO materials: (1) metal and nonmetal ion doping, (2) hydrogenation, (3) the incorporation of crystalline defects in the form of vacancies and interstitials, (4) the modification of particles morphology and surface topology, etc. In this study we investigated the influence of different surfactants on the morphology, optical properties and functionality of ZnO particles. Two different surfactants were employed during microwave processing of ZnO particles, cetyltrimethylammonium bromide (CTAB) as cationic and Pluronic F-127 as non-ionic one. The crystal structure and phase purity of the ZnO particles were determined by X-ray diffraction and Raman spectroscopy. Effects of the surfactants on particles morphology and texture properties were observed with field emission scanning electron microscopy (FE–SEM) and nitrogen adsorption–desorption isotherm, respectively. The optical properties were studied using UV–Vis diffuse reflectance and photoluminescence (PL) spectroscopy. Functionality of ZnO particles was studied due to their photocatalytic and electrochemical activities. Photocatalytic activity was examined via decolorization of methylene blue under direct sunlight irradiation. Electrochemical behavior of the ZnO samples as anode material was evaluated by linear sweep voltammetry in Na2SO4 electrolyte; the oxygen evolution kinetics were determined and compared.sr
dc.language.isoensr
dc.publisherBelgrade : Materials Research Society of Serbiasr
dc.relationinfo:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/45004/RS//sr
dc.rightsopenAccesssr
dc.sourceProgramme and The Book of Abstracts / Twentieth Annual Conference YUCOMAT 2018, Herceg Novi, September 3-7, 2018sr
dc.subjectZnOsr
dc.subjectmicrowave processingsr
dc.subjectoptical propertiessr
dc.subjectphotocatalystssr
dc.subjectzinc oxidesr
dc.titleCTAB- and pluronic F-127-assisted microwave processing of ZnO particles with modified morphology and optical propertiessr
dc.typeconferenceObjectsr
dc.rights.licenseBY-NC-NDsr
dcterms.abstractВеселиновић, Љиљана; Стојадиновић, Стеван; Рац, Владислав; Марковић, Смиља; Aхметовић, Санита; Ускоковић, Драган; Стојковић Симатовић, Ивана; Шкапин, Сречо Давор;
dc.citation.spage70
dc.citation.epage70
dc.type.versionpublishedVersionsr
dc.identifier.fulltexthttp://dais.sanu.ac.rs/bitstream/id/11719/Markovic-YUCOMAT-2018.pdf


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