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Selenium is a metal that reacts to its environment like few others. It bridges the gap between light and electricity, making it one of the earliest and most fascinating materials used in optoelectronics. From vintage light meters to modern solar energy arrays, Selenium is a foundational element for technology that responds to the world around it.
As a premier UK supplier of high-purity metals, Less Common Metals (LCM) provides the vital materials required for advanced electronics and specialised manufacturing. Based in Ellesmere Port, UK, we supply the high-grade Selenium essential for solid-state electronics, energy generation and metallurgical additives.
| Composition | Selenium Lump 99.999% |
| Common metallic impurities | Trace metals basis |
| Physical Description | 3mm Pellets |
| Analytics | ICP-OES |
| Certificate of analysis | Available upon request |
| Packaging | Packed in sealed polythene bags and supplied in securely sealed metal drums, resist-ant to the impregnation of water |
Selenium is a non-metal (often classed as a metalloid) that exists in several allotropic forms, the most stable being a dense, purplish-grey crystalline structure. It’s rarely found in its elemental state in nature and is primarily obtained as a byproduct of refining copper. Its most remarkable property is its photoconductivity. Meaning its ability to conduct electricity drastically improves the brighter the light shining upon it.
Because of its unique relationship with light and electricity, Selenium has a diverse range of applications across several industries:
While Silicon has largely replaced Selenium in mainstream rectifiers and standard electronics, Selenium remains incredibly valuable in specialised, niche applications. Its use in thin-film photovoltaics (like CIGS solar cells) and advanced glassmaking ensures that demand for high-purity Selenium remains strong as industries look for unique material properties that standard elements simply cannot replicate.
