Cadmium Telluride (CdTe)-Powder

Characteristic




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




Chemical formula：CdTe

CAS#:1306-25-8

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




It is mainly used as the semiconducting material in cadmium telluride photovoltaics and an infrared optical window. It is usually sandwiched with cadmium sulfide to form a p-n junction solar PV cell.