“…Cu x O semiconductors are very attractive and have been broadly studied in both theoretical analysis and investigations into applied executions of nano or optoelectronic devices due to their chemically stable nature, nontoxicity, relative abundance, potential particle size effects, excellent performance as a catalyst, and fulll all the requirements for low-cost manufacturing at ambient conditions, which have high potential usage in energy storage, conversion, and next-generation rechargeable lithium-ion batteries. [1][2][3][4][5][6] Furthermore, Cu x O nanostructures are extensively used in other diverse applications, including photovoltaics, 7 photodetectors, 8 nanouid, 9,10 energetic materials, 11 eld emissions, 12 supercapacitors, 13,14 biosensors, 15,16 gas sensors, 17,18 photocatalysis, 19,20 removal of inorganic pollutants, 21,22 and magnetic storage media. 23,24 Both the Cu 2 O and CuO show direct transition nature with a direct band gap of around 2.1 and 1.5 respectively, having a high extension coefficient of above 10 5 cm −1 .…”