Structural Characterization and Magnetic Properties of Undoped and Ti-Doped ZnO Nanoparticles Prepared by Modified Oxalate Route

Ti-doped zinc oxide and pure zinc oxide nanoparticles were synthesized by a modified oxalate route using Averrhoa carambola fruit juice as a natural source of oxalate. The characteristics of the precursors have been investigated by FTIR, TGA, and XRD. The results from the investigation revealed that...

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Main Authors:	Ekane Peter Etape, Josepha Foba-Tendo, Lambi John Ngolui, Beckley Victorine Namondo, Fomogne Cyrille Yollande, Marius Borel Nguefack Nguimezong
Format:	Article
Language:	English
Published:	Hindawi Limited 2018-01-01
Series:	Journal of Nanomaterials
Online Access:	http://dx.doi.org/10.1155/2018/9072325

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spelling	doaj-a6ae6f114a454d66aa92b79dbb1d0fcb2020-11-24T22:27:35ZengHindawi LimitedJournal of Nanomaterials1687-41101687-41292018-01-01201810.1155/2018/90723259072325Structural Characterization and Magnetic Properties of Undoped and Ti-Doped ZnO Nanoparticles Prepared by Modified Oxalate RouteEkane Peter Etape0Josepha Foba-Tendo1Lambi John Ngolui2Beckley Victorine Namondo3Fomogne Cyrille Yollande4Marius Borel Nguefack Nguimezong5Department of Chemistry, Faculty of Science, University of Buea, P.O. Box 63, Buea, CameroonDepartment of Chemistry, Faculty of Science, University of Buea, P.O. Box 63, Buea, CameroonDepartment of Chemistry, ENS Yaoundé, BP 47, Yaoundé, CameroonDepartment of Chemistry, Faculty of Science, University of Buea, P.O. Box 63, Buea, CameroonDepartment of Chemistry, Faculty of Science, University of Buea, P.O. Box 63, Buea, CameroonDepartment of Chemistry, Faculty of Science, University of Buea, P.O. Box 63, Buea, CameroonTi-doped zinc oxide and pure zinc oxide nanoparticles were synthesized by a modified oxalate route using Averrhoa carambola fruit juice as a natural source of oxalate. The characteristics of the precursors have been investigated by FTIR, TGA, and XRD. The results from the investigation revealed that the precursors are zinc oxalate and Ti-doped zinc oxalate which readily decompose at 450°C. The as-prepared precursors were calcined at 450°C for 4 hours, and the decomposition products have been characterized by XRD, SEM, EDX, and VSM. XRD results revealed crystallinity with hexagonal wurtzite structure, while the average grain size was found to be 26 nm for Ti-doped ZnO and 29 nm for ZnO, using calculations based on Debye-Scherrer equation. Furthermore, the morphological studies by SEM showed particle agglomeration, while the presence of Ti3+ in the zinc oxide lattice is indicated by EDS analysis. Finally the hysteresis loop from VSM results shows that Ti-doped ZnO exhibits ferromagnetism.http://dx.doi.org/10.1155/2018/9072325
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Ekane Peter Etape Josepha Foba-Tendo Lambi John Ngolui Beckley Victorine Namondo Fomogne Cyrille Yollande Marius Borel Nguefack Nguimezong
spellingShingle	Ekane Peter Etape Josepha Foba-Tendo Lambi John Ngolui Beckley Victorine Namondo Fomogne Cyrille Yollande Marius Borel Nguefack Nguimezong Structural Characterization and Magnetic Properties of Undoped and Ti-Doped ZnO Nanoparticles Prepared by Modified Oxalate Route Journal of Nanomaterials
author_facet	Ekane Peter Etape Josepha Foba-Tendo Lambi John Ngolui Beckley Victorine Namondo Fomogne Cyrille Yollande Marius Borel Nguefack Nguimezong
author_sort	Ekane Peter Etape
title	Structural Characterization and Magnetic Properties of Undoped and Ti-Doped ZnO Nanoparticles Prepared by Modified Oxalate Route
title_short	Structural Characterization and Magnetic Properties of Undoped and Ti-Doped ZnO Nanoparticles Prepared by Modified Oxalate Route
title_full	Structural Characterization and Magnetic Properties of Undoped and Ti-Doped ZnO Nanoparticles Prepared by Modified Oxalate Route
title_fullStr	Structural Characterization and Magnetic Properties of Undoped and Ti-Doped ZnO Nanoparticles Prepared by Modified Oxalate Route
title_full_unstemmed	Structural Characterization and Magnetic Properties of Undoped and Ti-Doped ZnO Nanoparticles Prepared by Modified Oxalate Route
title_sort	structural characterization and magnetic properties of undoped and ti-doped zno nanoparticles prepared by modified oxalate route
publisher	Hindawi Limited
series	Journal of Nanomaterials
issn	1687-4110 1687-4129
publishDate	2018-01-01
description	Ti-doped zinc oxide and pure zinc oxide nanoparticles were synthesized by a modified oxalate route using Averrhoa carambola fruit juice as a natural source of oxalate. The characteristics of the precursors have been investigated by FTIR, TGA, and XRD. The results from the investigation revealed that the precursors are zinc oxalate and Ti-doped zinc oxalate which readily decompose at 450°C. The as-prepared precursors were calcined at 450°C for 4 hours, and the decomposition products have been characterized by XRD, SEM, EDX, and VSM. XRD results revealed crystallinity with hexagonal wurtzite structure, while the average grain size was found to be 26 nm for Ti-doped ZnO and 29 nm for ZnO, using calculations based on Debye-Scherrer equation. Furthermore, the morphological studies by SEM showed particle agglomeration, while the presence of Ti3+ in the zinc oxide lattice is indicated by EDS analysis. Finally the hysteresis loop from VSM results shows that Ti-doped ZnO exhibits ferromagnetism.
url	http://dx.doi.org/10.1155/2018/9072325
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Structural Characterization and Magnetic Properties of Undoped and Ti-Doped ZnO Nanoparticles Prepared by Modified Oxalate Route

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