molübdeendisulfid

Molybdenum disulfide is an inorganic compound with the chemical formula MoS2. It is a layered material, similar in structure to graphite, where each layer consists of a sheet of molybdenum atoms sandwiched between two sheets of sulfur atoms. These layers are held together by weak van der Waals forces, which allows them to slide easily over one another.

Molybdenum disulfide occurs naturally as the mineral molybdenite. It is a black or grey solid that is insoluble in water and most common solvents. Its notable properties include excellent lubricating capabilities due to its layered structure, high thermal conductivity, and semiconductor behavior. The electrical conductivity of molybdenum disulfide depends on the number of layers, with single-layer MoS2 exhibiting semiconducting properties.

Due to its lubricating properties, molybdenum disulfide is widely used as a solid lubricant, particularly in high-temperature or vacuum environments where liquid lubricants may not be suitable. It is also employed as an additive in greases and oils to improve their performance. In recent years, research has explored its potential applications in electronics, catalysis, and energy storage due to its unique electronic and chemical characteristics.