HighPurity Copper Selenide (Cu₂Se) is a premium functional material designed for advanced energy, electronic, and optical technologies. Its exceptional purity and controlled stoichiometry ensure consistent performance, making it a trusted choice for manufacturers and researchers developing next generation devices. With its distinctive combination of superionic conductivity, low thermal conductivity, and tunable electronic behavior, Cu₂Se stands out as a highvalue material for innovation driven industries.
In thermoelectric systems, Cu₂Se is widely recognized as one of the most promising ptype materials, offering strong performance at elevated temperatures and enabling efficient wasteheat recovery and solidstate cooling. Its fast copperion mobility and structural stability also make it an attractive candidate for advanced energystorage applications, including sodiumion batteries and solidstate ion conductors. These properties position Cu₂Se as a key material for companies working to improve energy efficiency and develop sustainable power solutions.
Beyond energy technologies, Cu₂Se plays an important role in optoelectronics, photonics, and specialty coatings. Its tunable bandgap and strong optical absorption support applications such as infrared detection, thinfilm solar devices, and photothermal components, while its ability to form durable, corrosionresistant black coatings makes it valuable in optical blackening and surfaceengineering processes. This versatility makes highpurity Cu₂Se a powerful material platform for both industrial production and cuttingedge research.
General Properties
| Properties | Value |
| Formula | Cu₂Se |
| CAS Number | 20405645 |
| EC / EINECS Number | 2437967 |
| Molar Mass | 206.05–206.06 g/mol |
| Melting Point | 1113 °C |
| Density | 6.84 g/mL at 25 °C (lit.) |
| Band Gap | |
| Crystal Structure | Cubic (berzelianite) |
Product Availability
We provide high-purity Copper Selenide (Cu₂Se) tailored for the requirements from advanced energy, electronic, and optical industries.
| Purity | Up to 99.9999% |
| Forms | Chunks or other forms |
| Package | Small packs, vacuum-sealed |
If you require any of this high-purity compounds, please contact our sales team for details at sales@american-gmg.com.