Abstract
Background: Replacing the current usage of toxic, hazardous, irreversible materials in existing industrial production for various applications into eco-friendly material with easy availability and finding an economic synthesis method with structure tunable properties to produce effective magnetic nanocomposite are still need to be developed for advanced chemical technology. Methods: Mesoporous core/shell MnFe2O4 nanocomposite have been synthesized in this report at 15 min using a facile, eco-friendly sonoelectrochemical process. Significant findings: The presence of manganese over magnetite (Fe3O4) was confirmed through FTIR, XRD, elemental mapping and EDS studies. The size and shape of the nanocomposite were analyzed from FESEM and HRTEM analyses. It was revealed that the synthesized nanocomposites are spherical in shape and have an average diameter of 65±10 nm with 10±2 nm shell thickness. Encapsulating manganese over core Fe3O4 nanoparticles had improved the thermal stability up to 7% than the mere Fe3O4 which was confirmed by thermogravimetry analysis. The BET analysis had revealed that the sonoelectrochemically synthesized nanocomposites are having higher surface area of 385.7 m2 g-1 and possess a mesoporous nature with a mean pore diameter of 1.90 nm. Based on these superior properties, the core/shell MnFe2O4 nanocomposite could be utilized as a promising material towards various industrial applications such as heavy metal removal, hydrogen production, hyperthermia, Li-ion battery, drug delivery, catalysis, and sensor applications.
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