Abstract

 
 
 Copper oxide (CuO) is an inorganic compound with monoclinic crystal structure. CuO nano particles attracted considerable attention due to its numerous applications in the field of optical, catalytic, mechanical, organic dye degeneration, biomedicine, pharmaceutics,cosmetics and different medical purposes. In the present study, copper oxide nanoparticles have been prepared by biological method using the flower extracts of Nyctanthes arbortristis as a reducing agent. The resulting samples were characterized using X-ray diffraction (XRD), Scanning Electron Microscopy (SEM), Fourier Transform Infrared Spectroscopy (FTIR), Energy Dispersive analysis of X-rays (EDX), UV-Visible Spectroscopy (UV) and Antibacterial activity. From XRD studies, the average crystalline size of the obtained sample was calculated by Debye-Scherrer formula and it was found to be 33.13 nm. The band gap energy of the synthesized nano particle was estimated from UV studies and its value is 1.19 eV. The morphological characteristics were absorbed by SEM studies. The EDX and FTIR studies confirm the presence of Copper Oxide nano particles.The antibacterial activity of CuO-nano particles on selected bacteria was done using agar diffusion method.
 
 
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