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Journal of Nanostructures، جلد ۱۲، شماره ۴، صفحات ۸۴۲-۸۴۹
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عنوان انگلیسی The Novel Green Magnetic Nanospheres: Synthesis, Characterization, and Photocatalytic Activity Against Organic pollutant
چکیده انگلیسی مقاله Using green chemistry is an attractive proposed method for making nano photocatalysts for the photodegradation of organic pollutants. This work introduces the novel magnetic green nickel ferrite for the removal of dyes from wastewater. In this regard, green nickel ferrite nanostructures were prepared through a wet chemical route. The peppermint extract was utilized for the engineering of shape and size. The energy-dispersive X-ray spectroscopy (EDS) and X-ray powder diffraction (XRD) analyses confirmed the formation of pure nickel ferrite with a desirable crystalline structure. A scanning electron microscope (SEM) approved that the peppermint extract leads to the formation of regular and uniform nickel ferrite. The obtained hysteresis loop from the vibrating-sample magnetometer (VSM) showed the superparamagnetic behavior of prepared nickel ferrite. The optical property is a key factor for photocatalytic activity. So UV-Vis spectroscopy was applied for characterizing the optical properties of the sample. The optical band gap of prepared nickel ferrite was calculated 2.88 eV. Finally, the prepared green nickel ferrite was applied to remove rhodamine B and methylene blue from the water solution. The results showed that prepared nickel ferrite can be introduced as a promising candidate for the removal of organic pollutants. The prepared nano photocatalyst could photodegrade 71.6% and 84.2% of rhodamine B and methylene blue under visible light. 
کلیدواژه‌های انگلیسی مقاله Green synthesis, Magnetic nanoparticles, Optical properties, Organic pollutant, photocatalyst
نویسندگان مقاله Nassar Al-Isawi |
Department of physics, College of Science, University of Babylon, Iraq

Ruaa Kahtan Mahmood |
Department of physics, College of Science, University of Babylon, Iraq

Rusul A Ghazi |
Medical Physics Department, Al-Mustaqbal University College, Iraq

Amal Abd Al-Amir Kazem Al Masoudi |
Department of physics, College of Science, University of Babylon, Iraq

نشانی اینترنتی https://jns.kashanu.ac.ir/article_112843_40ecf34f3a4f78374f3b8d1cafad20b7.pdf
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