Atomic number: 48 Period Number: 5 Group Number: 12
Cadmium is a transition metal, which has close chemical characteristics to those of Zinc.
Many Cadmium compounds, such as Cadmium Telluride (CdTe), are widely used in the solar cell ( Photovaltic ) industry. CdTe is the only Photovaltic thin film technology with lower costs than conventional solar cells made of crystalline silicon in muti-kiowatt systems. Typically high purity products are required for this process.
Cadmium Selenide (CdSe) is classified as a II-VI semiconductor of the n-type. CdSe material is transparent to infra-red (IR) light. CdSe has seen limited use in photoresistors and in windows for instruments utilizing IR light.
Cadmium Sulfide ( CdS ) can be used for many purposes including materials for photo-resisters; semiconductors; photoconductors; colorants for soaps, textiles, paper, plastics and rubber; x-ray fluorescent screens; body temperature detectors; rectifiers; transistors; photovoltaic cells; solar cells and photoelectric radiation.
Cadmium Telluride (CdTe)
Cadmium Sulfide (CdS)
Cadmium Chloride (CdCl2)
Cadmium Selenite (CdSeO3)
Cadmium Sulfate ( CdSO4)