Effects of Process Variables on Properties of CoFe2O4 Nanoparticles Prepared by Solvothermal Process

Controlling the morphology and magnetic properties of CoFe2O4 nanoparticles is crucial for the synthesis of compatible materials for different applications. CoFe2O4 nanoparticles were synthesized by a solvoth...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Hong Diu Thi Duong, Dung The Nguyen, Kyo-Seon Kim
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	cobalt ferrite nanoparticles controlled synthesis solvothermal method oleic acid magnetic properties Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/53989f4e2c0347c2acb24c2c739d88f5
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:53989f4e2c0347c2acb24c2c739d88f5
record_format	dspace
spelling	oai:doaj.org-article:53989f4e2c0347c2acb24c2c739d88f52021-11-25T18:32:05ZEffects of Process Variables on Properties of CoFe<sub>2</sub>O<sub>4</sub> Nanoparticles Prepared by Solvothermal Process10.3390/nano111130562079-4991https://doaj.org/article/53989f4e2c0347c2acb24c2c739d88f52021-11-01T00:00:00Zhttps://www.mdpi.com/2079-4991/11/11/3056https://doaj.org/toc/2079-4991Controlling the morphology and magnetic properties of CoFe<sub>2</sub>O<sub>4</sub> nanoparticles is crucial for the synthesis of compatible materials for different applications. CoFe<sub>2</sub>O<sub>4</sub> nanoparticles were synthesized by a solvothermal method using cobalt nitrate, iron nitrate as precursors, and oleic acid as a surfactant. The formation of CoFe<sub>2</sub>O<sub>4</sub> nanoparticles was systematically observed by adjusting synthesis process conditions including reaction temperature, reaction time, and oleic acid concentration. Nearly spherical, monodispersed CoFe<sub>2</sub>O<sub>4</sub> nanoparticles were formed by changing the reaction time and reaction temperature. The oleic acid-coated CoFe<sub>2</sub>O<sub>4</sub> nanoparticles inhibited the growth of particle size after 1 h and, therefore, the particle size of CoFe<sub>2</sub>O<sub>4</sub> nanoparticles did not change significantly as the reaction time increased. Both without and with low oleic acid concentration, the large-sized cubic CoFe<sub>2</sub>O<sub>4</sub> nanoparticles showing ferromagnetic behavior were synthesized, while the small-sized CoFe<sub>2</sub>O<sub>4</sub> nanoparticles with superparamagnetic properties were obtained for the oleic acid concentration higher than 0.1 M. This study will become a basis for further research in the future to prepare the high-functional CoFe<sub>2</sub>O<sub>4</sub> magnetic nanoparticles by a solvothermal process, which can be applied to bio-separation, biosensors, drug delivery, magnetic hyperthermia, etc.Hong Diu Thi DuongDung The NguyenKyo-Seon KimMDPI AGarticlecobalt ferrite nanoparticlescontrolled synthesissolvothermal methodoleic acidmagnetic propertiesChemistryQD1-999ENNanomaterials, Vol 11, Iss 3056, p 3056 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	cobalt ferrite nanoparticles controlled synthesis solvothermal method oleic acid magnetic properties Chemistry QD1-999
spellingShingle	cobalt ferrite nanoparticles controlled synthesis solvothermal method oleic acid magnetic properties Chemistry QD1-999 Hong Diu Thi Duong Dung The Nguyen Kyo-Seon Kim Effects of Process Variables on Properties of CoFe<sub>2</sub>O<sub>4</sub> Nanoparticles Prepared by Solvothermal Process
description	Controlling the morphology and magnetic properties of CoFe<sub>2</sub>O<sub>4</sub> nanoparticles is crucial for the synthesis of compatible materials for different applications. CoFe<sub>2</sub>O<sub>4</sub> nanoparticles were synthesized by a solvothermal method using cobalt nitrate, iron nitrate as precursors, and oleic acid as a surfactant. The formation of CoFe<sub>2</sub>O<sub>4</sub> nanoparticles was systematically observed by adjusting synthesis process conditions including reaction temperature, reaction time, and oleic acid concentration. Nearly spherical, monodispersed CoFe<sub>2</sub>O<sub>4</sub> nanoparticles were formed by changing the reaction time and reaction temperature. The oleic acid-coated CoFe<sub>2</sub>O<sub>4</sub> nanoparticles inhibited the growth of particle size after 1 h and, therefore, the particle size of CoFe<sub>2</sub>O<sub>4</sub> nanoparticles did not change significantly as the reaction time increased. Both without and with low oleic acid concentration, the large-sized cubic CoFe<sub>2</sub>O<sub>4</sub> nanoparticles showing ferromagnetic behavior were synthesized, while the small-sized CoFe<sub>2</sub>O<sub>4</sub> nanoparticles with superparamagnetic properties were obtained for the oleic acid concentration higher than 0.1 M. This study will become a basis for further research in the future to prepare the high-functional CoFe<sub>2</sub>O<sub>4</sub> magnetic nanoparticles by a solvothermal process, which can be applied to bio-separation, biosensors, drug delivery, magnetic hyperthermia, etc.
format	article
author	Hong Diu Thi Duong Dung The Nguyen Kyo-Seon Kim
author_facet	Hong Diu Thi Duong Dung The Nguyen Kyo-Seon Kim
author_sort	Hong Diu Thi Duong
title	Effects of Process Variables on Properties of CoFe<sub>2</sub>O<sub>4</sub> Nanoparticles Prepared by Solvothermal Process
title_short	Effects of Process Variables on Properties of CoFe<sub>2</sub>O<sub>4</sub> Nanoparticles Prepared by Solvothermal Process
title_full	Effects of Process Variables on Properties of CoFe<sub>2</sub>O<sub>4</sub> Nanoparticles Prepared by Solvothermal Process
title_fullStr	Effects of Process Variables on Properties of CoFe<sub>2</sub>O<sub>4</sub> Nanoparticles Prepared by Solvothermal Process
title_full_unstemmed	Effects of Process Variables on Properties of CoFe<sub>2</sub>O<sub>4</sub> Nanoparticles Prepared by Solvothermal Process
title_sort	effects of process variables on properties of cofe<sub>2</sub>o<sub>4</sub> nanoparticles prepared by solvothermal process
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/53989f4e2c0347c2acb24c2c739d88f5
work_keys_str_mv	AT hongdiuthiduong effectsofprocessvariablesonpropertiesofcofesub2subosub4subnanoparticlespreparedbysolvothermalprocess AT dungthenguyen effectsofprocessvariablesonpropertiesofcofesub2subosub4subnanoparticlespreparedbysolvothermalprocess AT kyoseonkim effectsofprocessvariablesonpropertiesofcofesub2subosub4subnanoparticlespreparedbysolvothermalprocess
_version_	1718411015699300352

Effects of Process Variables on Properties of CoFe<sub>2</sub>O<sub>4</sub> Nanoparticles Prepared by Solvothermal Process

Ejemplares similares