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ISSN 2063-5346
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Copper Modified g- C3N4 nanosheet Prepared by Co-precipitation method enhanced Antimicrobial Applications

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A. Selvam, M. Sheik Muhideen Badhusha, R.R. Muthuchudarkodi, R. Marivignesh, S. Ramesh Kumar
» doi: 10.31838/ecb/2023.12.si4.161

Abstract

This study used the Co-precipitation approach to successfully manufacture an effective g-C3N4@Cu nanocomposite. Copper nitrate was used as a source of copper, and melamine was used to create the g-C3N4 nanosheet. The synthesized composite was then examined under a scanning electron microscope (SEM), subjected to X-ray diffraction (XRD) studies, energy dispersive X-ray (EDX) techniques, Fourier transforms infrared spectroscopy (FT-IR), and examined using ultraviolet and visible (UV-Vis) spectroscopy by using UV-Visible absorption spectroscopy, the optical band gap of the g-C3N4 nanosheet and g-C3N4@Cu nanocomposite were determined. In comparison to the g-C3N4@Cu nanocomposite, the g-C3N4 nanosheet displayed a higher apparent absorption, and a further red shift was seen for the g-C3N4 containing Cu. g-C3N4@Cu nanocomposite was respectively 3.2 eV and 2.7 n. For g-C3N4, FT-IR spectra indicated a prominent peak at 840 cm-1 Additionally, a broad peak with a range of 2500 cm-1 to 3500 cm-1 provides more proof that g-C3N4 was constructed. A face-centered cubic (fcc) structure is visible in the g-C3N4@Cu Nanocomposite's X-ray Diffraction pattern. The multilayer structure and certain rods with rough areas are seen in the SEM picture of the g-C3N4 nanosheet. Additionally, the hollow sphere-like structure of the g-C3N4@Cu Nanocomposite is visible in the SEM image. The findings demonstrated that adding g-C3N4 nanosheets promotes the antibacterial properties of g-C3N4@Cu nanocomposite, which were created from its nucleation effect increasing the copper's surface area-to-volume ratio increasing interfacial interaction and elevating established reactive oxidative species (ROS) killing bacteria. The current study creates fresh possibilities for enhancing the antibacterial properties of biomedical polymers.

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