Selenides are compounds that contain selenium ions. Se2- is similar to sulfides in that it can only exist when strong alkaline solution exists. In neutral solution, it becomes HSe, and in acidic solution, H2Se. There are selenides which react readily with air oxygen, and metal selenides tend to be easier to decompose. Metal selenides are susceptible to oxidation, or dissolves reaction. Aluminum selenide can oxidize in moist atmosphere and dissolve rapidly, releasing toxic dissolve selenide gases.
Selenide minerals: types and forms
Selenide minerals co-exist in most cases with sulfide mineral. Selenide minerals include white and red selenite. Polyselenide, a compound that contains the Sen2- anion, is called polyselenide. These compounds can be made by eutecticizing elements in quartz tubes.
What are the different types of selenide?
Tongrun can provide you with powders such as antimony selenide.
Is selenide poisonous?
Selenium acts as an antagonist to some toxic substances. It detoxifies heavy metals, such as mercury and lead. It also reduces or delays the production of lipofuscin. The excessive intake of selenium inorganic will cause toxic conditions, such as hair fall and rotten fingernails. How to put out a selenide flame? If cyanide or selenide catches fire, it can only be extinguished with carbon dioxide mist.
Bismuth Selenide: A new material that is leading the revolution in semiconductors
The researchers used Bismuth Selenide. The researchers also used “sputtering,” a thin film depositing technique that is driven by momentum exchanges between ions and the atoms of the target material. It is the very first time sputtering has been used for topological insulator material that can be used by the semiconductor and magnetic materials industry. Sputtering produces nanoparticles that are smaller than six nanometers. This layer changes the behavior and physical properties of the material. Researchers discovered that this material has 18 times the efficiency of existing materials for computing processing and memory.
Selenide is a very expensive material
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