Synthesis and evaluation of the structural, optical, and antibacterial properties of copper oxide nanoparticles
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The nanostructured material, due to their outstanding applications in various fields of science and technology; metal and metal oxide nano are exclusively explored in the progress of nanosized materials. The transition metal oxides including CuO is are used for magnetic storage devices, solar energy applications, sensors, as a catalyst in reactions, as electrode materials in supercapacitors and to tune the semiconducting properties of materials. The current work focuses on the synthesis of CuO nanoparticles (NPs) by combustion technique for various annealing (100°C and 300°C) using ascorbic acid as a capping agent. The XRD pattern confirms that the CuO NPs exhibit the monoclinic structure. The optical properties are investigated using UV–Vis absorption spectra. Further, the refractive index, optical dielectric constant and bulk modulus were investigated using the specific empirical model as a function of temperature. The FTIR spectrum shows that the band in the range 450–500 cm−1 confirms the formation of CuO NPs. The SEM images revealed that the spherical surface morphology of the CuO NPs. The Elemental analysis and the particle size were confirmed by elemental dispersive X-ray analysis (EDX) and particle size analyzer. Moreover, the antibacterial activity of CuO nanoparticles was investigated using E. coli, S. typhi, M. luteus, P. fluorescent, S. flexneri, and V. cholera bacteria.
The authors would like to acknowledge the financial support provided by Research University Grant Number (RU001-2018)NANOCAT, University of Malaya, Malaysia. One of the authors (Suresh Sagadevan) acknowledges the honor, namely the “Senior Research Fellow” at Nanotechnology and Catalysis Research Centre (NANOCAT), University of Malaya 50603 Kuala Lumpur, Malaysia. The author wishes to place on record his heartfelt thanks that are due to the authorities concerned.
Compliance with ethical standards
Conflict of interest
The authors declare no conflict of interest.
- 8.J. Singh, G. Kaur, M. Rawat, A brief review on synthesis and characterization of copper oxide nanoparticles and its applications. J. Bioelectron. Nanotechnol. 1(1), 9 (2016)Google Scholar
- 11.Vinod Vellora Thekkae Padil, Miroslav Černík, Green synthesis of copper oxide nanoparticles using gum karaya as a biotemplate and their antibacterial application. Int. J. Nanomed. 8, 889–898 (2013)Google Scholar
- 36.J.C. Phillips, Bonds, and bands in semiconductors (Academic Press, San Diego, 1973)Google Scholar
- 38.A. Barakat, M. Al-Noaimi, M. Suleiman, A.S. Aldwayyan, B. Hammouti, T.B. Hadda, S.F. Haddad, A. Boshaala, I. Warad, Effect of calcination temperature on Cu doped NiO nanoparticles prepared via wet-chemical method: structural, optical and morphological studies. Int. J. Mol. Sci. 14, 23941–23954 (2013)CrossRefGoogle Scholar