Abstract
This study aimed to synthesize Poly (vinyl alcohol) - iron nanoparticles (PVA-Fe NPs) via two different methods, the green electrochemical technique in presence of (PVA) which rapid and eco-friendly and by adding different ratios of (Fe-NPs) to PVA, then exposed to different time of UV-irradiation. Characterization of the resulting PVA-Fe NPs was performed using many spectroscopic and analytical techniques including, UV–Vis spectrophotometry, Fourier transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD). Production of the Fe NPs was verified by appearance of absorbance peaks at about 457 – 462 nm in UV spectra which attributed to surface plasmon resonance. The band gap energy values show decrease with increasing Fe NPs. FTIR spectra confirm the interaction between PVA polymer and Fe- nanoparticle. All the developed PVA-Fe NPs displayed antibacterial efficiency against both Staphylococcus aureus and Escherichia coli bacteria. Moreover, the antibacterial efficiency enhanced by increasing Fe content and UV irradiation time.
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