Journal
MAGNETOCHEMISTRY
Volume 7, Issue 5, Pages -Publisher
MDPI
DOI: 10.3390/magnetochemistry7050061
Keywords
poly(epsilon-caprolactone); electrospinning; Fe3O4 nanoparticles; nanocomposite; electrospun nanofibres
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This study synthesized electrospun nanofibres of PCL doped with 5 nm iron oxide nanoparticles, investigating their magnetic properties. Characterization of PCL-based composites was conducted using SEM, FTIR, and TGA, with a focus on analyzing the magnetic behavior of the material.
Magnetic nanofibres have attracted more and more attention recently due to their possible applications e.g., in spintronics and neuromorphic computing. This work presents the synthesis and physicochemical characterization of the electrospun nanofibres of poly(epsilon-caprolactone) (PCL) doped by iron oxide nanoparticles with diameters of 5 nm. PCL is a semi-crystalline, hydrophilic polymer showing controllable biodegradation rates, biocompatibility, and flexible mechanical properties. In the composite material, two different concentrations of magnetic nanoparticles were used: 2 and 6 wt.%. PCL-based composites were investigated using scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), and thermogravimetry (TGA). Although in the literature one can find many studies on magnetic polymeric composites, the investigation of their magnetic properties is usually limited to measuring the magnetization curve. Detailed analysis of dynamic magnetic susceptibility is rather rare. In this report, special attention was paid to the detailed analysis of magnetic properties, where we followed the evolution of changes in the magnetic behavior of the material depending on the concentration of magnetic nanoparticles.
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