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dc.creatorFlores-Carrasco, Gregorio
dc.creatorCarrillo, J.
dc.creatorLuna, J. A.
dc.creatorMartínez, R.
dc.creatorSierra-Fernández, Aránzazu
dc.creatorMilošević, Olivera
dc.creatorRabanal, Maria Eugenia
dc.date.accessioned2017-06-10T15:45:07Z
dc.date.issued2014
dc.identifier.issn0921-8831 (Print)
dc.identifier.issn1568-5527 (Online)
dc.identifier.urihttp://dais.sanu.ac.rs/123456789/651
dc.description.abstractZnO nanoparticles were synthesized in a horizontal three zones furnace at 500 °C using different zinc nitrate hexahydrate concentrations (0.01 M, 0.1 M, and 1.0 M) as a reactive precursor solution by air assisted Ultrasonic Spray Pyrolysis (USP) method. The physico-chemical, structural and functional properties of synthesized ZnO nanoparticles have been characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), high resolution transmission electron microscopy (HRTEM), Brunauer, Emmett and Teller (BET) method, UV–vis spectroscopy and photoluminescence (PL) measurements. Also, the photocatalytic activities of ZnO synthesized from different precursor concentrations were evaluated by removal rate of methyleneblue (MB) under UV irradiation (365 nm) at room temperature. SEM revealed two types of ZnO nanoparticles: a quasi-spherical, desert-rose like shape of the secondary particles, which does not change significantly with the increasing of precursor solution concentration as well as some content of the broken spheres. Increasing the precursor solution concentration leads to the increase in the average size of ZnO secondary particles from 248 ± 73 to 920 ± 190 nm, XRD reveals the similar tendency for the crystallite size which changes from 23 ± 4 to 55 ± 12 nm in the analyzed region. HRTEM implies the secondary particles are with hierarchical structure composed of primary nanosized subunits. The PL spectra imply a typical broad peak of wavelength centered in the visible region exhibiting the corresponding red-shift with the increase of solution concentration: 560, 583 and 586 nm for the 0.01, 0.1 and 1.0 M solution, respectively. The reported results showed the photocatalytic efficiency of ZnO nanoparticles was enhanced by increased precursor concentration.en
dc.format25 5 (2014) 1435-1441
dc.languageen
dc.publisherElsevier
dc.relationinfo:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/172035/RS//
dc.relationCONACyT-154725
dc.relationPIFI-2013
dc.relationVIEP-BUAP-2013
dc.relationG.D. of Universities and Research, Madrid Regional Government, Spain, Advanced Structural Materials Program - ESTRUMAT (S2009/MAT-1585)
dc.relationInterministerial Commission for Science and Technology (CICYT), Spain, Project MAT2010-19837-C06-05
dc.rightsrestrictedAccess
dc.sourceAdvanced Powder Technologyen
dc.subjectzinc oxide
dc.subjectultrasonic spray pyrolysis
dc.subjectnanoparticles
dc.subjectphotocatalytic efficiency
dc.titleSynthesis, characterization and photocatalytic properties of nanostructured ZnO particles obtained by low temperature air-assisted-USPen
dc.typearticle
dc.rights.licenseARR
dcterms.abstractЦаррилло, Ј.; Флорес, Г.; Рабанал, Мариа Еугениа; Милошевић, Оливера; Сиерра-Фернандез, A.; Луна, Ј. A.; Мартíнез, Р.;
dc.citation.spage1435
dc.citation.epage1441
dc.citation.volume25
dc.citation.issue5
dc.identifier.wos000343805800005
dc.identifier.doi10.1016/j.apt.2014.02.004
dc.identifier.scopus2-s2.0-84908021195
dc.type.versionpublishedVersion


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