Preparation of Magnetic Zinc Ferrite Nanoparticles and their Photocatalytic Performance

Chutamanut Wongyara; Preeyaporn Harnkar; Cheewita Suwanchawalit; Tarawipa Puangpetch; Kritapas Laohhasurayotin; Avinash Patil

doi:10.4028/www.scientific.net/KEM.757.125

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 757Preparation of Magnetic Zinc Ferrite Nanoparticles...

Preparation of Magnetic Zinc Ferrite Nanoparticles and their Photocatalytic Performance

Abstract:

Zinc ferrites (ZnFe₂O₄) nanoparticles were successfully prepared by the simple co-precipitation method. The effects of calcination temperature and the amount of surfactant on the microstructure of zinc ferrite products were studied. The products were characterized with X-ray diffraction (XRD), Scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR) and UV-Vis diffuse reflectance spectroscopy (DRS). The XRD results confirmed the formation of a cubic spinel structure in all samples. The SEM results revealed that surfactant molecules play a crucial role to control the microstructure of the samples. All samples showed extended absorptions in the visible region. The photocatalytic results indicated that ZnFe₂O₄ enhanced the photocatalytic activity with increased calcination temperature. In addition, the ZnFe₂O₄ prepared by addition of high concentrations of surfactant gave the highest photocatalytic activity. The synthesized ZnFe₂O₄ can be recovered by applying an external magnetic field.

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Key Engineering Materials (Volume 757)

Pages:

125-130

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.757.125

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Online since:

October 2017

Authors:

Chutamanut Wongyara, Preeyaporn Harnkar, Cheewita Suwanchawalit*, Tarawipa Puangpetch, Kritapas Laohhasurayotin, Avinash Patil

Keywords:

Degradation of Dye, Magnetic Nanoparticle, Photocatalyst, ZnFe₂O₄

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