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Nowadays, biosynthesis of nanostructure materials is an extremely captivate and challenging approach because of plants extracts contained several phytochemicals1-3. Recently, our group has ventured to develop microspheres/microspindles of α, γ-Bi2O3 and Cu-Al2O3 nanocomposites by using green technology4-5. Keeping this an issue, in the present work we have developed an eco-friendly and phytosynthesis method for the fabrication of CuO nanoparticles using leaf extracts of Phyllanthus reticulatus (PR) and Conyza bonariensis (CB). As-fabricated material was characterized in detail for structural, electronic and morphological authentication by X-ray diffraction (XRD), Fourier-Transform Infrared (FT-IR), Energy Dispersive Spectroscopy (EDS), UV-diffuse Reflectance Spectroscopy (UV-DRS), Raman, X-ray Photoelectron Spectroscopy (XPS), Synthesis: Biosynthesis of CuO Nanoparticles

Results & discussion: Spectroscopic &