Tungsten diselenide is a typical compound among the transition metal tungsten. Tungsten diselenide (English: tungsten diselenide, molecular formula is WSe2) has excellent mechanical, electrical, optical, magnetic and other properties due to its special crystal structure. Widely used in aerospace, military defense, medical equipment and other fields.
Tungsten diselenide is a black or gray solid powder with a molar mass of 341.76g/mol and a hexagonal layered crystal structure with a density of 9.32g/cm3 and poor thermal conductivity. Its thermal conductivity is about one hundred thousandth of that of diamonds with better thermal conductivity. In addition, WSe2 has a bandgap between wide-gap semiconductors and zero-gap graphene, and has excellent electrical and optical properties and high quantum yield.
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