Tellurium Dioxide Micron Powder (TeO₂, 99.95%, 1-5 µm)
Technical Specifications:
- Chemical Formula: TeO₂
- Purity: 99.95% (high purity)
- Particle Size: 1-5 µm (microns)
- Appearance: White to light gray powder
- Density: Approximately 7.3 g/cm³
- Melting Point: 735°C (1,355°F)
- Boiling Point: 1,250°C (2,282°F)
- Molecular Weight: 159.6 g/mol
- Solubility: Slightly soluble in water, soluble in acids such as hydrochloric acid (HCl) and nitric acid (HNO₃)
- Crystal Structure: Monoclinic
- Refractive Index: ~2.0
Applications:
- Optical Materials:
- Tellurium Dioxide (TeO₂) is used in the production of optical materials due to its high refractive index and transparency in the infrared region. It is utilized in infrared optics, optical lenses, and coatings for lasers and photodetectors.
- It is employed in the manufacture of high-quality optical glasses and infrared windows used in military, aerospace, and scientific instruments.
- Electronics and Semiconductor Industry:
- Tellurium Dioxide is utilized in the electronics industry as a dielectric material. It plays a role in the development of semiconductors and thin-film technologies for electronic devices, particularly where a high dielectric constant and stability are required.
- TeO₂ is sometimes used in the production of thin-film resistors and capacitors.
- Catalysis:
- Tellurium Dioxide is used as a catalyst in certain chemical reactions, especially those requiring oxidation processes. It is used in hydrocarbon processing, where it facilitates oxidative reactions for chemical synthesis and petrochemical refining.
- It is involved in the production of tellurium-based compounds and in sulfur oxidation processes in the chemical industry.
- Glass Manufacturing:
- TeO₂ is employed in glass production, especially in optical glasses and specialty glasses for high-performance optical devices. It enhances the optical properties of the glass, especially in terms of refractive index and light transmission.
- It is also used in ceramic glazes and coloring agents for producing teal-colored glass.
- Thermoelectric Devices:
- Tellurium Dioxide is explored for use in thermoelectric materials due to its high thermal conductivity. These materials are used in energy conversion devices, where they convert heat into electrical energy or vice versa, making them useful in power generation and cooling systems.
- Photoresists in Lithography:
- TeO₂ is used in the field of lithography as part of photoresists for microlithography in semiconductor manufacturing. It can help achieve precise patterning in the production of integrated circuits and other microelectronic components.
- Photovoltaic Materials:
- Tellurium Dioxide is a material used in the development of photovoltaic devices (solar cells). It can improve the performance of solar energy devices, especially when combined with other materials in thin-film applications.
- It is being investigated as a potential photovoltaic material for enhancing light absorption and energy conversion efficiency.
- Alloys and Superconducting Materials:
- TeO₂ plays a role in the production of tellurium-based alloys, which are used in high-performance electronic and thermoelectric applications. These alloys are used in the development of superconductors for applications like magnetic resonance imaging (MRI) and high-field magnets.
- Environmental Applications:
- Tellurium Dioxide is used in the removal of heavy metals and other toxic substances from waste streams in environmental remediation processes. It is effective in purification systems designed to capture pollutants and contaminants in industrial wastewater.
- X-ray and Radiation Shielding:
- Due to its ability to absorb radiation, TeO₂ is employed in X-ray shielding and radiation protection. It helps to block harmful radiation in medical, industrial, and scientific applications, including in radiology and nuclear applications.
- Biological Applications:
- Tellurium Dioxide is being studied for its potential biomedical applications, particularly in biosensors and drug delivery systems. It has been shown to exhibit antibacterial properties, making it of interest in medical and healthcare-related fields.
- Battery Applications:
- TeO₂ is also being investigated in the development of high-performance batteries and energy storage devices, particularly in lithium-based batteries. It can enhance the performance and charge/discharge cycles of energy storage systems.
Tellurium Dioxide Micron Powder (TeO₂, 99.95%, 1-5 µm) is a highly versatile and important material with wide-ranging applications across industries such as electronics, optics, catalysis, energy, and environmental protection. Its unique properties, including high thermal and electrical conductivity, transparency in the infrared region, and chemical stability, make it essential in advanced technologies, solar energy applications, and high-performance materials.
