Muhammad Aqib Busharat, Shazia Shukrullah, Mohamed M. Makhlouf
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Investigating cation distribution and photocatalytic response of non-thermal plasma treated MZnFe2O4(M = Ni, Mg, Mn) nanocomposite ferrites
A sol–gel technique was used to synthesize MZnFe2O4 (M = Ni, Mg, Mn) spinel ferrite composites. The post-synthesis sintering of the nanocomposites was done at 700 °C for 5 h, followed by non-thermal microwave plasma treatment for 60 min. X-ray diffraction (XRD) analysis of the nanocomposites was conducted to comprehend the cation distribution of pristine and plasma-modified nanocomposites. XRD intensity of peaks for (220), (311), (400) and (440) planes were used to determine the cations distribution using intensity ratio method. The plasma-modified nanocomposites showed a decrease in the intensity ratio of XRD peaks and an increase in the size of the crystallites. The plasma-modified ZnNiFeO4 showed a photocatalytic activity of 95% against RhB dye, ZnMgFe2O4 showed photocatalytic activity of 87%, and ZnMnFe2O4 showed a photocatalytic activity of 90%. The key drivers of high dye degradation efficiency are surface functionalization, removal of oxides and reduced band gap of the plasma-modified nanocomposites.
期刊介绍:
Journal of Materials Research (JMR) publishes the latest advances about the creation of new materials and materials with novel functionalities, fundamental understanding of processes that control the response of materials, and development of materials with significant performance improvements relative to state of the art materials. JMR welcomes papers that highlight novel processing techniques, the application and development of new analytical tools, and interpretation of fundamental materials science to achieve enhanced materials properties and uses. Materials research papers in the following topical areas are welcome.
• Novel materials discovery
• Electronic, photonic and magnetic materials
• Energy Conversion and storage materials
• New thermal and structural materials
• Soft materials
• Biomaterials and related topics
• Nanoscale science and technology
• Advances in materials characterization methods and techniques
• Computational materials science, modeling and theory