Structural and Optical Properties for ZnO Nanoparticles for Antibacterial Application

Main Article Content

Aso Abdullah Saeed

Abstract

In this research, ZnO‎ nanoparticles were prepared by‎ pulsed laser ablation ‎in liquid ‎‎(PLAL) technique. The ‎ X-‎‎‎Ray ‎diffraction ‏‏‎‎‎(XRD) test was used to find out the crystal structure of ZnO and its ‎crystal ‎size, ‎the result is that ‎the creation of ZnO NPs has a polycrystalline structure of ‎hexagonal ‎phases. As for an atomic force microscopy (AFM) analysis, AFM ‎3D pictures show that the surface roughness are increase with increase the laser energy. The UV-visible device test was conducted to determine the optical properties, and it was revealed that the maximum absorption appears to occur at (400 nm). By changing the laser energy discovered that when laser intensity increased, the ZnO NPs' bandgap decreases. ZnO ‎has been used in antibacterial ‎applications, The result of laser manufactured ZnO Nanoparticles was verified for ‎its antibacterial ‎activities at gram- positive ‎‎(Staphylococcus aureus).

Article Details

How to Cite
Abdullah Saeed, A. (2025). Structural and Optical Properties for ZnO Nanoparticles for Antibacterial Application . Tikrit Journal of Pure Science, 30(1), 62–70. https://doi.org/10.25130/tjps.v30i1.1779
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