TY - JOUR AU - Jomaa A. Hammadi, Khalid H. Razeg, Raad M. S. Al-Haddad, PY - 2021/10/06 Y2 - 2024/03/28 TI - Structural and Optical properties of Surface Plasmon Resonance of CuO Nanoparticles prepered by chemical mothod JF - Design Engineering JA - DE VL - IS - SE - Articles DO - UR - http://thedesignengineering.com/index.php/DE/article/view/5123 SP - 2169-2178 AB - Copper oxide nanoparticles (NPs) were prepared using by chemical  method. properties of as-synthesized nanoparticles were investigated by X-ray diffraction (XRD), scanning electron microscope (SEM) and The prepared nanoparticles were studied using UV-Vis .A strong fundamental absorption and high absorption coefficients were observed from UV-Vis spectra, based on which the optical parameters. A net blue shift in the fundamental direct gap energy (from 3.9 to 4.2eV), attributed to the quantum confinement effect, is observed in the optical analysis when the particles size decreases. ER -