Cadmium Telluride (CdTe)-Pieces

Characteristic

 

Cadmium telluride (CdTe) is a stable crystalline compound formed from cadmium and tellurium.




Chemical formula：CdTe

Molar mass：240.01 g/mol

Density：5.85 g·cm−3

Melting point：1,041 °C (1,906 °F; 1,314 K)

Boiling point：1,050 °C (1,920 °F; 1,320 K)

Solubility in water：insoluble

Solubility in other solvents：insoluble

Band gap：1.5 eV (@300 K, direct)

Thermal conductivity：6.2 W·m/m2·K at 293 K

Refractive index (nD)：2.67 (@10 µm)

Crystal structure：Zinc blende

 


Application

 

Cadmium telluride finds applications as the semiconductor material in photovoltaics and infrared optical window. It is used in the production of thin film solar cells. It is doped with chlorine and used as a radiation detector for x-rays, alfa and beta particles. .