What is Tungsten Oxide (WO₃) Micron Powder?

Tungsten Oxide (WO₃) Micron Powder is a high-purity inorganic compound widely used in electronic devices, smart windows, catalysts, and gas sensors. This yellow crystalline powder exhibits excellent electrochromic, photoconductive, and catalytic properties, making it a valuable material for energy storage, optics, and nanotechnology applications.

Chemical Properties and CAS Number

  • Material: Tungsten(VI) Oxide (WO₃)
  • CAS Number: 1314-35-8
  • Molecular Weight: 231.84 g/mol
  • Density: 7.16 g/cm³
  • Melting Point: 1,470°C
  • Boiling Point: Sublimates at 1,700°C
  • Solubility: Insoluble in water, soluble in alkalis and acids
  • Appearance: Yellow or greenish-yellow powder
  • Crystal Structure: Monoclinic, tetragonal, or cubic

Applications of Tungsten Oxide (WO₃) Micron Powder

1. Electrochromic Smart Windows

  • Used in energy-efficient glass that changes transparency based on voltage.
  • Enhances thermal insulation and light control in green buildings and automotive applications.

2. Gas Sensors & Environmental Monitoring

  • High sensitivity to NOx, H₂S, and ammonia, making it ideal for air quality monitoring.
  • Applied in smart sensors for industrial safety and environmental protection.

3. Photocatalysis & Hydrogen Production

  • Used in solar-driven water splitting to generate hydrogen as a clean energy source.
  • Functions as a photocatalyst in pollution control and organic compound degradation.

4. Semiconductor & Electronic Devices

  • Incorporated in thin-film transistors, displays, and optoelectronic components.
  • Applied in semiconductor coatings for advanced electronics.

5. Pigments & Coatings

  • Provides vivid yellow and blue colors for ceramic glazes and high-temperature coatings.
  • Enhances durability and UV resistance in industrial coatings.

6. Catalysts in Chemical Industry

  • Serves as a catalyst in hydrocarbon conversion, fuel cells, and pollution control.
  • Improves efficiency in petroleum refining and chemical synthesis.

Pricing of Tungsten Oxide (WO₃) Micron Powder

Pricing depends on purity level, particle size, and bulk quantity:

  • Lab-Scale Orders: $80 – $400 per kg
  • Industrial-Scale Orders: $500 – $3,000 per batch
  • Bulk Orders: Custom pricing available

Factors Influencing Pricing

  • Purity Level (99.9% – 99.999%)
  • Particle Size Distribution (Micron to Nano range)
  • Synthesis Method (Hydrothermal, Sol-Gel, or Chemical Vapor Deposition)
  • Order Volume & Packaging Requirements
  • Shipping and Regulatory Compliance Costs

Conclusion

Tungsten Oxide (WO₃) Micron Powder is a versatile material with broad applications in smart coatings, gas sensors, photocatalysis, electronics, and industrial catalysts. Its electrochromic, semiconducting, and catalytic properties make it a crucial component in energy-efficient and high-tech industries.

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