Advanced International Journal for Research

E-ISSN: 3048-7641   •   Impact Factor: 9.11

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Volume 7 Issue 2
March-April 2026

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Synthesis, Characterization, and Antimicrobial Properties of Copper Nanoparticles using Citrus Limon Fruit Extract

Author(s) Dr. Meena Duraisamy, Mr. Megavannan Rajaram
Country India
Abstract Green synthesis of metallic nanoparticles has been expanding due to its potential in development of new technologies. Synthesis of copper nanoparticles (CuNPs) was carried out using aqueous extract of Citrus limon using a novel green route for the synthesis and stabilization. The nanoparticles was investigated to Citrus limon was confirmed by UV-visible spectroscopy, FTIR spectra, X-ray diffraction (XRD) and scanning electron microscopy (SEM). The FTIR spectra of CuNPs indicated that the being of flavonoids and phenolic functional groups could reduce the Cu2+ ions to CuNPs. The CuNPs nanoparticles were investigated using UV–vis absorption spectra for surface Plasmon resonance (∼579 nm). Crystalline diffraction peaks with nanospheres distributed through the surface. The X-ray diffraction (XRD) pattern of the CuNPs agrees with Cu metal with the reported and the crystallite average size is ~30 nm Scanning electron microscopic (SEM) show uniform spherical particles obtained by this biological method. In addition, CuNPs and the aqueous extract of the plant demonstrated suitable antimicrobial activity is found to be effective of CuNPs. In results confirmed that the use of aqueous extract of Citrus limon has a significant potential for developing clean, easy, cost effective and efficient method for green synthesis of copper nanoparticles and significant biological activity, suggesting their potential as therapeutic agents.
Keywords Citrus limon fruit, Copper nanoparticles, Characterization, Anti-bacterial activity
Published In Volume 7, Issue 2, March-April 2026
Published On 2026-03-11
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E-ISSN 3048-7641
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