What is Tungsten Disulfide (WS₂) Nanopowder/Nanoparticles?

Tungsten Disulfide (WS₂) Nanopowder/Nanoparticles is a high-performance transition metal dichalcogenide (TMD) material known for its exceptional lubrication properties, high thermal stability, and superior wear resistance. It is widely used in solid lubricants, coatings, aerospace, electronics, and nanotechnology applications.

Chemical Properties and CAS Number

• Chemical Formula: WS₂
• CAS Number: 12138-09-9
• Appearance: Grey to black fine powder
• Density: ~7.5 g/cm³
• Particle Size: 10-200 nm (nano-scale)
• Solubility: Insoluble in water, dispersible in certain organic solvents
• Chemical Stability: High oxidation and thermal resistance, excellent tribological performance

Applications of Tungsten Disulfide (WS₂) Nanopowder/Nanoparticles

1. Lubricants & Wear-Resistant Coatings

Used in solid lubricants for industrial machinery, aerospace components, and automotive applications due to low friction and high load-bearing capacity.

2. Aerospace & Defense Applications

Applied in jet engines, space components, and defense equipment to enhance thermal stability and reduce wear in extreme environments.

3. Electronics & Semiconductor Industry

Utilized in thin-film transistors, flexible electronics, and nano-electromechanical systems (NEMS) for improved conductivity and performance.

4. Energy Storage & Battery Applications

Integrated into lithium-ion batteries and supercapacitors to enhance charge retention, cycling stability, and electrode performance.

5. Catalysts & Nanotechnology Applications

Used in hydrodesulfurization (HDS) catalysts, hydrogen evolution reactions (HER), and chemical synthesis processes due to high catalytic activity.

6. Biomedical & Drug Delivery Systems

Explored for biocompatible coatings, biosensors, and targeted drug delivery due to its layered structure and functionalization potential.

Pricing of Tungsten Disulfide (WS₂) Nanopowder/Nanoparticles

Prices vary based on purity, particle size, and industrial application:

• Industrial Grade: Typically ranges from $100 – $800 per kilogram
• High-Purity/Specialized Grade: Prices range from $1,000 – $5,000 per kilogram, used in aerospace, electronics, and energy storage applications.

Factors Influencing Tungsten Disulfide Prices

• Purity level and particle size distribution
• Functionalization and dispersion properties
• Bulk order volume and processing cost
• Demand in aerospace, energy, and lubrication industries

Conclusion

Tungsten Disulfide (WS₂) Nanopowder/Nanoparticles is a high-performance lubricating and nanomaterial used in industrial coatings, aerospace applications, energy storage, and electronics. Its unique layered structure, high thermal resistance, and superior lubrication properties make it an essential material for advanced industrial and scientific applications. Pricing depends on purity, processing, and specific industry demands.