Examining the Antimicrobial Capabilities and Methods for Preparing Core-Shell Laser-Synthesized CdS@Cu Nanoparticles

Abstract

The core-shell structure has good structural, optical, and electrical properties that make it useful for lighting devices and medical uses. According to this study, laser ablation in liquid makes CdS and Cu target nanoparticles. It was looked at how the core-shell method changed laser ablation and the properties of CdS@Cu NP. At 1064 nm and 480 mJ, Nd:YAG laser waves cut through CdS and Cu nanoparticles in water, which are the core and shell, respectively. The structure features showed that CdS was being made, which improved the crystallinity of laser ablation. The clumping of particles was slowed down by creating cores or shells. Plasmon absorption peaks were seen in UV-VIS spectroscopy, X-ray diffraction, Field Emission Scanning Electron Microscopy (FESEM), and Atomic Force Microscopy (AFM). According to XRD, the CdS@Cu phase was shaped like a cube. Clusters of spherical particles were about 60 nm in size in the FESEM. The synthesis was successful because the AFM showed the atomic makeup, a surface roughness of 2.397 nm (RMS) and 1.936 nm (Ra), and an average diameter of 14.16 nm. The ROS Reactive Oxygen Species production by CdS@Cu NPs stopped the growth of Escherichia coli, Staphylococcus aureus, Candida, and Pseudomonas aeruginosa. Creating a new chemical with special physical qualities that stops the growth of many types of bacteria effectively. It is possible to use this chemical in many different ways in health. This shows how versatile they are in fighting different kinds of germs and improving health and society.

Keywords

• Cadmium sulfide
• Cu copper
• Laser ablation
• Core/shell
• Inhibited zone