Copper oxide nanoparticle (CuO) are semiconductor compounds with unique optical, electrical, magnetic, biological, chemical, mechanical and antimicrobial properties. These nanoparticles can be used in powder form or colloid and exhibit different characteristics such as size, shape and surface properties depending on their production method. This compound can be applied in various fields including medicine, supercapacitors, magnetic storage media, sensors, catalysts, semiconductors, and etc.