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A common additive in many household products, the chemical formula of cuo is used to create a wide variety of useful compounds. These include water softeners, detergents, cleaners and antimicrobial agents.
Copper(I) oxide, also known as cuprous oxide (CuO), is an inorganic compound that is a stable oxidation product of copper metal. It is a black solid that is insoluble in water and has a metallic luster.
It is a non-toxic, highly conductive material that has been widely used in various fields including gas sensing, catalysis, optoelectronics, solar cells, and photodiodes. Its reversible decomposition into Cu2O and oxygen at high temperatures is an important process for separating pure oxygen from air in a number of industries.
However, it can be difficult to use CuO as a carrier in this process due to its reversible reaction with alumina to form CuAl2O4, which releases oxygen too slowly to be practical. Using the a-form as a refractory support allows this cycle to be repeated at temperatures up to 900 degC without the formation of CuAl2O4 limiting the amount of oxygen that can be stored and produced.
As a result, sensitivity of semiconductor resistive gas sensor with CuO nanostructures was increased significantly. This enhancement is believed to be due to the enhanced surface area and crystallinity of CuO nanostructures that enables better electron transfer ability.