Kuparioksidaani

Kuparioksidaani, also known as copper(II) oxide or cupric oxide, is an inorganic compound with the chemical formula CuO. It is the more stable of the two common copper oxides, the other being copper(I) oxide (Cu2O). Kuparioksidaani typically appears as a black solid. It is insoluble in water but dissolves in dilute acids, forming copper(II) salts.

This compound occurs naturally as the mineral tenorite. It can be produced synthetically through various methods, often by heating copper in the presence of oxygen or by heating copper(II) carbonate or copper(II) nitrate. Kuparioksidaani is a p-type semiconductor, meaning it has a deficiency of electrons.

Kuparioksidaani has several industrial and laboratory applications. It is used as a pigment in ceramics and glass, imparting a blue or green color. It also serves as a precursor for the synthesis of other copper compounds. In chemistry, it is employed as an oxidizing agent and in catalysis, particularly in oxidation reactions. Historically, it was used in some applications for its antimicrobial properties. More recently, its semiconducting properties have been explored for use in solar cells and gas sensors.