Copper oxide

Copper oxide is a compound from the two elements copper and oxygen.

Copper oxide may refer to:

Copper(I) oxide (cuprous oxide, Cu₂O)
Copper(II) oxide (cupric oxide, CuO)
Copper peroxide (CuO₂)
Copper(III) oxide (Cu₂O₃) does not exist although Cu(III) is a component of cuprate superconductors
Copper(IV) oxide (CuO₂) has been proposed to exist in the gas phase^[1]

References

^ Bondybey, V. E.; English, J. H. (1984). "Structure of copper oxide (CuO₂) and its photochemistry in rare gas matrixes". J. Phys. Chem. 88 (11): 2247–2250. doi:10.1021/j150655a014.

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[1] Bondybey, V. E.; English, J. H. (1984). "Structure of copper oxide (CuO₂) and its photochemistry in rare gas matrixes". J. Phys. Chem. 88 (11): 2247–2250. doi:10.1021/j150655a014.

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