Repository of Research and Investigative Information

Repository of Research and Investigative Information

Baqiyatallah University of Medical Sciences

Different morphologies fabrication of NiAl2O4 nanostructures with the aid of new template and its photocatalyst application

(2017) Different morphologies fabrication of NiAl2O4 nanostructures with the aid of new template and its photocatalyst application. Journal of Materials Science-Materials in Electronics. pp. 2415-2420. ISSN 0957-4522

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Abstract

In the area of water purification, nanotechnology offers the possibility of an efficient removal of pollutants and germs. Nowadays, nanostructures used for detection and removal of chemical and biological substances include metals, azo dyes, nutrients, cyanide, organics, algae, bacteria, parasites, and etc. In the current study, an attempt is made to synthesize and characterization of NiAl2O4 nanostructures in an aqueous environment through the simple sol-gel method. Besides, three capping agents as glycine, asparagine, and alanine were used to investigate their effects on the morphology and particle size of NiAl2O4 nanostructures. This method starts from of the precursor complex, and involves the formation of homogeneous solid intermediates, reducing atomic diffusion processes during thermal treatment. The formation of pure crystallized NiAl2O4 nanocrystals occurred when the precursor was heat-treated at 800 A degrees C in air for 150 min. The stages of the formation of NiAl2O4, as well as the characterization of the resulting compounds were done made using UV-Vis diffuse reflectance spectroscopy, field emission scanning electron microscopy, energy dispersive X-ray microanalysis, and X-ray diffraction. The magnetic properties of as-prepared NiAl2O4 nanostructures were also investigated with vibrating sample magnetometer. Furthermore, the photocatalytic properties of as synthesized NiAl2O4 were evaluated by degradation of methyl orange as water contaminant.

Item Type: Article
Keywords: surface-area coal2o4 sol-gel method nanoparticles optimization degradation performance particles aluminate catalyst spinels Engineering Materials Science Physics
Divisions:
Page Range: pp. 2415-2420
Journal or Publication Title: Journal of Materials Science-Materials in Electronics
Journal Index: ISI
Volume: 28
Number: 3
Identification Number: https://doi.org/10.1007/s10854-016-5812-7
ISSN: 0957-4522
Depositing User: مهندس مهدی شریفی
URI: http://eprints.bmsu.ac.ir/id/eprint/4567

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