Cadmium Selenide (CdSe)-Lump

Characteristic

 

Cadmium selenide is an inorganic compound with the formula CdSe. It is a black to red-black solid that is classified as a II-VI semiconductor of the n-type.




Chemical formula：CdSe

Molar mass：191.385 g·mol−1

Appearance：Black, translucent, adamantine crystals

Odor：Odorless

Density：5.81 g cm−3

Melting point“1,240 °C (2,260 °F; 1,510 K)

Band gap：1.74 eV, both for hex. and sphalerite

Refractive index (nD)：2.5

Crystal structure：Wurtzite

 


Application

 

It ia a photoconductive and semiconductor material used in a cell where a fast response time and high sensitivity to longer wavelengths of light is required; also used as a red pigment.