article · Journal of Materials Science
Crystalline zinc copper ferrite nanoparticles were synthesised using a straightforward co-precipitation technique. The morphology, particle size, crystalline structure, and chemical composition of the materials were confirmed using scanning electron microscopy, transmission electron microscopy, X-ray diffraction, and Fourier transform infrared spectroscopy. The photocatalytic activity of the specific composition Zn 0.5 Cu 0.5 Fe 2 O 4 was tested under ultraviolet illumination through the degradation of methyl orange azo dye. Under test conditions with an ambient temperature of 25 degrees Celsius and a pH of 3, 15 milligrams of the nanoparticles degraded 96 percent of a 20 parts per million methyl orange dye solution in 135 minutes. A mechanism explaining how these nanoparticles break down the dye under light exposure was also suggested.
Industrial dyes like methyl orange are common contaminants that pollute water systems and can harm ecosystems. Developing effective, light-driven catalysts offers a way to clean wastewater by breaking down hazardous dyes into safer compounds. Demonstrating that easily synthesised ferrite nanoparticles can remove almost all target dye molecules under ambient conditions supports efforts to design better treatment methods for industrial runoff.
This work points towards applications in industrial wastewater treatment, particularly for facilities seeking to degrade synthetic azo dye effluents using photocatalysis. Potential users include water treatment plant operators and environmental remediation specialists. The study is early-stage research focused on laboratory testing of a specific chemical dye in controlled conditions, meaning considerable development and scaled testing would be required before real-world deployment.
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Abstract Synthesis of crystalline zinc copper ferrite nanoparticles was achieved via a simple co-precipitation method. Scanning electron microscope (SEM) is utilized to give the morphological characterization of the prepared samples. A transmission electron microscope (TEM) was employed for further identification and confirmation of the particle size and morphology. Moreover, X-ray diffraction (XRD) and Fourier transformation infrared (FTIR) spectroscopy were utilized to examine crystalline structure and chemical structure, respectively. The photocatalytic performance of Zn 0.5 Cu 0.5 Fe 2 O 4 nanoparticles under UV light was assessed by decolorization of methyl orange (MO) azo dye. The efficiency of photocatalytic degradation of 20 ppm of MO by Zn 0.5 Cu 0.5 Fe 2 O 4 nanoparticles 15 mg was 96% after 135 min at an ambient temperature of 25 °C and pH value of 3. Further interpretation was carried out and a proposed mechanism for the MO photodegradation over Zn 0.5 Cu 0.5 Fe 2 O 4 nanoparticles was suggested.
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DOI: 10.1007/s10853-024-09485-9
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