期刊
CERAMICS INTERNATIONAL
卷 48, 期 20, 页码 29805-29815出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2022.06.241
关键词
Ferrites; XRD; Methylene blue; Photocatalysis
资金
- Deanship of Scientific Research at King Khalid University [R.G.P. 2/114/43]
In this investigation, cobalt substituted Magnesium-Zinc ferrites were successfully synthesized using co-precipitation technique. The synthesized materials were characterized by various analysis techniques, confirming the formation of a single-phase spinel structure and investigating the morphology and crystallite size. The photocatalytic activity of the cobalt substituted Mg-Zn ferrites was enhanced, as observed through the degradation of methylene blue under sunlight.
In this investigation, cobalt substituted Magnesium-Zinc ferrites were successfully synthesized by using the co-precipitation technique. The prepared spinel ferrites were characterized by using Scanning electron microscopy (SEM), Ultraviolet-Visible analysis, X-ray powder diffractometer (XRD) and Fourier-transform infrared spectroscopy (FTIR). Confirmation of formation of a single-phase spinel structure was assessed by the XRD and FTIR. Crystallite size, evaluated from X-ray analysis, of MZF, MZF1, MZF2, MZF3 is 9.72 nm, 7.21 nm, 8.49 nm and 8.30 nm respectively. Cluster formation and agglomeration of powdered samples of Co substituted Mg-Zn ferrites were represented through the SEM images. The optical bandgap range was calculated from the Ultra-violet-Visible spectrum. The photocatalytic activity was assessed through the photodegradation of coloured and colourless pollutants under sunlight. This paper focuses on the photocatalytic degradation of harmful compounds like benzimidazole and methylene blue. The photocatalytic activity of Mg-Zn ferrites as a photocatalyst was enhanced by the substitution of cobalt in it. Especially, MZF3 with the highest cobalt content gave the maximum photodegradation of methylene blue. Hence, we conclude that Mg0.5Zn0.5CoxFe2O4 works as a potential catalyst in wastewater treatment.
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