Lithium Selenide (Li₂Se) is a lithium-based compound that contains selenium in the −2 oxidation state. It is a member of the family of alkali metal selenides and is studied for its chemical properties and potential applications in various fields, including energy storage and optoelectronics.
Formula: Li₂Se.
Structure: Lithium selenide typically adopts a rock salt (NaCl) crystal structure, similar to other alkali metal selenides. Selenium atoms are coordinated by lithium ions in a highly symmetrical manner.
Appearance: Li₂Se is usually a white or light-colored powder or solid.
Density: It has a relatively low density compared to many other metallic compounds.
Melting Point: The melting point of lithium selenide is relatively high (around 800°C), indicating good thermal stability.
Solubility: It is soluble in water and forms a strong alkaline solution when dissolved, similar to other alkali metal selenides.
Optoelectronic Devices: Li₂Se is considered for use in optoelectronic applications because selenium-based compounds are known for their semiconducting properties. They are explored for use in light-emitting diodes (LEDs), lasers, and solar cells, although lithium selenide is less commonly used than other selenium compounds.
Lithium-Selenium Batteries: Research is being conducted on lithium-selenium batteries, which could theoretically provide higher energy densities than conventional lithium-ion batteries, making lithium selenide an attractive candidate for next-generation energy storage systems.
Semiconductors: Selenium compounds, including Li₂Se, are studied in the context of semiconductor applications, due to their ability to conduct electricity under specific conditions. Lithium selenide may play a role in certain thin-film transistor technologies and photovoltaic devices.
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Every batch of our materials is independently tested, and, if necessary, we send samples to certified companies for testing. We provide these documents and analysis certificates with the shipment to certify that our products meet the required standards.
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