What is Tellurium Dioxide (TeO₂) Micron Powder?

Tellurium Dioxide (TeO₂) micron powder is a fine crystalline inorganic powder composed of tellurium and oxygen atoms. It is recognized for its excellent optical clarity, piezoelectric characteristics, and chemical stability, making it particularly valuable in advanced optical and electronic applications.

Chemical Properties and CAS Number

• Chemical Formula: TeO₂
• CAS Number: 7446-07-3
• Appearance: White crystalline powder
• Density: Approximately 5.67 g/cm³
• Melting Point: Approximately 733°C
• Solubility: Slightly soluble in water, soluble in acids
• Chemical Stability: Stable under normal environmental conditions, moderately resistant to chemical corrosion

Applications of Tellurium Dioxide Micron Powder

1. Optoelectronics and Optical Devices

Widely used in acousto-optic modulators, optical modulators, and optical fibers due to its high refractive index and excellent acousto-optic properties.

2. Glass and Ceramics

Employed in specialty glass, optical fibers, and ceramic formulations for enhancing optical properties, refractive indices, and transparency.

3. Piezoelectric Materials

Applied in piezoelectric sensors, actuators, and ultrasonic devices due to its superior piezoelectric and dielectric properties.

4. Semiconductor Industry

Utilized in semiconductor devices, thermoelectric materials, and optoelectronic components for its distinctive electrical and optical characteristics.

5. Catalysts

Used as a catalyst or catalyst support in various chemical reactions, particularly oxidation processes, improving reaction efficiencies.

6. Photonics and Optoelectronics

Widely applied in photonic devices, waveguides, modulators, and optical amplifiers, owing to its excellent optical transparency and refractive properties.

Pricing of Tellurium Dioxide Micron Powder

Prices vary significantly based on purity, particle size, production methods, and application-specific requirements:

• Industrial Grade: Typically ranges from $100 – $500 per kilogram
• High-Purity/Specialized Grade: Prices range from $500 – $2,000 per kilogram, suitable for precision optics, photonics, and specialized electronic applications.

Factors Influencing Tellurium Dioxide Prices

• Particle size and purity levels
• Application-specific standards and certifications
• Purchase volume and frequency
• Special processing or functionalization requirements

Conclusion

Tellurium Dioxide (TeO₂) micron powder is essential in various advanced technological and industrial applications due to its unique optical, piezoelectric, and chemical properties. Its extensive use in ceramics, optoelectronics, photonics, and piezoelectric devices highlights its versatility and growing industrial importance. Pricing is reflective of specific characteristics such as purity, particle size, and intended industrial applications.