Abstract
Objective: In this study, α-Fe2O3 thin film was formed on a glass substrate to study the impact of adding cold plasma on the self-cleaning and antibacterial properties of the samples. Method: The samples were synthesized using the chemical spray pyrolysis (CSP) method at 450°C. X-ray powder diffraction (XRD), scanning electron microscope (FESEM), energy-dispersive X-ray spectroscopy (EDS), and atomic force microscope were used to investigate the morphological and structural characteristics of α-Fe2O3 thin layers prior to and following plasma injection. Finding: The degree of wettability and antibacterial characteristics of iron oxide (hematite) thin film were evaluated in the presence of gram-negative and gram-positive bacteria prior to and following plasma injection, given the great potential of plasma injection in the surface modification of thin films. Novelty: The findings indicate that exposing plasma to α-Fe2O3thin film produces substantial changes in morphology, self-cleaning, and antibacterial characteristics. Doi: 10.28991/ESJ-2022-06-01-06 Full Text: PDF
Highlights
Plasma is a semi-neutral gas made up of charged and neutral particles that behave collectively [1, 2]
According to the Figure, α-Fe2O3 phase is completely formed, which related to the standard card NO. 330664, the results reported by the researchers [24,25,26,27,28,29], and similar reported results for α-Fe2O3 thin layers
Tadic et al reported the preparation of hematite (α-Fe2O3) nanoparticles by hydrothermal synthesis procedure
Summary
Plasma is a semi-neutral gas made up of charged and neutral particles that behave collectively [1, 2]. Ions and neutral particles are relatively cold They have been used in the treatment of thermally sensitive materials, including polymers and biologics [4], various industrial and scientific applications [5], and tissue engineering [6]. The plasma has been generated by the barrier technique (DBD), which is usually used in the majority of industrial applications and technology. It is characterized by the other types of discharge that works for the production of non-thermal plasma at atmospheric pressure. This technique is used in the applications of surface treatment [7]
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