II-VI compound semiconductor
II-VI compound semiconductors are composed of compounds of the II and VI subgroup chemical elements.
Subgroup II of the periodic table includes zinc (Zn) and cadmium( Cd), while group VI includes sulfur (S), selenium( Se) and tellurium (Te). Compound elements include cadmium selenium (CdSe), cadmium telluride( CdTe), zinc oxide( ZnO), and zinc sulfide( ZnS).
Semiconductor devices made of II-VI compound semiconductors are used in electronics, photonics, photovoltaics, and biomedicine, including photocells and thin-film solar cells.