Preparation and characterization of a ZnO powder with the hexagonal plate particles

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dc.contributor.authorAda, Kezban
dc.contributor.authorGoekgoez, Murat
dc.contributor.authorOenal, Mueserref
dc.contributor.authorSankaya, Yueksel
dc.date.accessioned2020-06-25T17:48:00Z
dc.date.available2020-06-25T17:48:00Z
dc.date.issued2008
dc.descriptionDee, Chang Fu/0000-0003-1015-9181; Onal, Muserref/0000-0002-1540-8389
dc.description.abstractZinc oxide precursors were obtained by the reaction of excess urea with 0.05-0.30 M ZnSO4 in boiling aqueous solution. The precursors precipitated were dried at 100 degrees C for 2 h to yield powdery products and these products were calcined at 1000 degrees C for 2 h to yield zinc oxide powders. Differential thermal analysis (DTA) and thermal gravimetric analysis (TGA) curves of the air-dried precursor precipitates show that the suitable temperatures for dehydration of crystal water, of ligand water and of dehydroxylation are 76, 290, and 866 degrees C, respectively. From the scanning electron microscopy (SEM) photographs and particle size distribution (PSD) curves, the average sizes of the hexagonal plate particles in precursor and ZnO powders are found to be 55 and 35 mu m, respectively. X-ray diffraction (XRD) data were evaluated by Scherrer equation for the estimation of the average crystal size of the precursor (11 nm) and ZnO (45 nm). The specific surface area and specific micro-mesopore volume of the ZnO powders are so small as to fall into the experimental error limits. It was concluded that all the measured quantities are not affected considerably by the Zn2+ concentration. (c) 2007 Elsevier B.V. All rights reserved.en_US
dc.identifier.citationclosedAccessen_US
dc.identifier.doi10.1016/j.powtec.2007.05.015
dc.identifier.endpage291en_US
dc.identifier.issn0032-5910
dc.identifier.issn1873-328X
dc.identifier.issue3en_US
dc.identifier.scopus2-s2.0-38649116370
dc.identifier.scopusqualityQ1
dc.identifier.startpage285en_US
dc.identifier.urihttps://doi.org10.1016/j.powtec.2007.05.015
dc.identifier.urihttps://hdl.handle.net/20.500.12587/4225
dc.identifier.volume181en_US
dc.identifier.wosWOS:000253747600008
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevieren_US
dc.relation.ispartofPowder Technology
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectcrystal sizeen_US
dc.subjecthexagonal plate particlesen_US
dc.subjecthomogenous precipitationen_US
dc.subjectparticle sizeen_US
dc.subjectureaen_US
dc.subjectZnOen_US
dc.titlePreparation and characterization of a ZnO powder with the hexagonal plate particlesen_US
dc.typeArticle

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