In semiconductors, as catalyst in Kjeldahl digestion.Copper(II) selenide is involved in the preparation of nanocrystals, which shows significant photothermal heating with a photothermal transduction efficiency, thereby it is used for photothermal therapy applications. It is used as a semiconductor and ideal solar control coating as well as finds application in solar cell technology.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.