Enhanced photocatalytic and Antibacterial Activity of Copper oxide Nanoparticles Synthesized by Facile Combustion methods from Mussaendafrondosa Plant Extract

N. Babitha; S. Rosy  Christy; Geetha Palani; M.  Gurumoorthy; Karthik Kannan; V. Chithambaram

doi:10.15330/pcss.23.3.443-449

Authors

N. Babitha PERI Arts and Science College, Mannivakkam, Chennai, Tamil Nadu, India
S. Rosy Christy PERI Institute of Technology, Mannivakkam, Tamil Nadu, India
Geetha Palani Saveetha School of Engineering, SIMTS, Chennai, India
M. Gurumoorthy J.N.N. Institute of Engineering, Kannigaipair, Tamil Nadu, India
Karthik Kannan School of Advanced Materials Science and Engineering, Kumoh National Institute of Technology (KIT), Gum-si, Gyeongsanbuk-do, Republic of Korea
V. Chithambaram PERI Institute of Technology, Mannivakkam, Tamil Nadu, India

DOI:

https://doi.org/10.15330/pcss.23.3.443-449

Keywords:

Nanoparticles, Mussaendafrondosalinn, Antibacterial Activity, Photo-Catalytic Applications, CuO

Abstract

Microwave heating (MHM) and mutated sol-gel (SGM) mechanisms were used to effectively create CuO samples with two dissimilar morphologies, such as nanoparticles (CuO-NPs) and nanorods (CuO-NRs), using Mussaendafrondosalinn plant extract as the bio-reducing operator. X-ray powder diffraction (XRD), scanning electron microscopy (SEM), and energy-dispersive X-ray (EDX) investigations were used to analyze the sample's structure, pureness, and morphological characteristics. UV-Visible diffuse reflectance (DRS) and photoluminescence (PL) spectroscopy methodologies were used to analyze optical properties and calculate bandgap energy. The bandgap of the samples was measured using the Kubelka-Munk mechanism, and it was found to be 2.74eV and 2.33eV for CuO-NPs and CuO-NRs, correspondingly. CuO-NPs and CuO-NRs were investigated for antibacterial activity versus each Gram-positive and Gram-negative microorganisms using a modified disc diffusion method. When correlated to the sample CuO nanorods, the antibacterial study confirms that the sample CuO nanoparticles are high-grade antibacterial agents. Using solar lighting, the photocatalytic activity of CuO nano-reactants (CuO-NPs and CuO-NRs) for the degradation of methylene blue (MB) dye was investigated, and the findings revealed that CuO-NPs with tinier particle sizes degraded MB more than CuONRs.

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