Tungsten Sulfide Powder
Tungsten Sulfide Powder
Tungsten Sulfide Powder | |
Product No | NRE-11273 |
CAS | 12138-09-9 |
Purity | 99.9% |
APS | <10µm (can be customized) |
Formula | WS2 |
Molecular Weight | 247.98 g/mol |
Density | 7.5 g/cm³ |
Color | NA |
Melting Point | 1250 °C |
Boiling Point | NA |
Tungsten Sulfide Powder
Applications
Lubrication and Wear Resistance:
Solid Lubricants: One of the most well-known applications of tungsten sulfide powder is its use as a solid lubricant. Tungsten sulfide powder has an extremely low friction coefficient, which makes it suitable for use in extreme environments, such as in spacecraft, aerospace components, and high-performance machinery that operate under high pressures, high temperatures, or vacuum conditions.
Oil Additive: WS₂ is also used as an additive in oils and greases to improve lubricity and reduce friction in industrial machinery, vehicles, and other mechanical systems. It extends the life span of components by preventing wear and corrosion.
High-Temperature Lubrication: Tungsten sulfide remains stable and effective as a lubricant at high temperatures, which makes it ideal for applications such as aerospace, automotive, and military industries.
Nanoelectronics and Optoelectronics:
Semiconductor Devices: Tungsten sulfide is a semiconductor and is used in nanoelectronics. Its unique layered structure allows for the fabrication of field-effect transistors (FETs), sensors, and other electronic devices. It is especially valued in flexible electronics and transparent conductive films.
Photodetectors: Tungsten sulfide has photoluminescent properties, making it suitable for use in photodetectors and light sensors. The material can be used in optical devices, such as those found in communication systems and sensor technology.
Flexible Displays: The flexibility and thin-film characteristics of tungsten sulfide make it an attractive material for use in flexible displays, touchscreens, and wearable electronics.
Energy Storage and Conversion:
Supercapacitors: Due to its high surface area and conductivity, tungsten sulfide is being explored for use in energy storage devices like supercapacitors. WS₂ can enhance the energy density and charging rate of supercapacitors, making them ideal for use in high-power applications.
Lithium-Ion Batteries: Tungsten sulfide has also shown potential as an electrode material for lithium-ion batteries, particularly in improving cycle stability and charge/discharge performance.
Hydrogen Storage: Tungsten sulfide can play a role in hydrogen storage systems due to its ability to adsorb hydrogen, making it useful for future fuel cell technologies and clean energy solutions.
Catalysis:
Hydrogenation Reactions: Tungsten sulfide is known to be a catalyst in various chemical reactions, particularly hydrogenation reactions in the petrochemical industry. It is highly effective in these applications due to its large surface area and high stability under high-temperature and high-pressure conditions.