Cerium Oxide Nanopowder ( CeO2, 99.9+%, 100nm)

Technical Specifications

1. Product Name: Cerium Oxide Nanopowder
   • Chemical Formula: CeO₂ (Cerium Dioxide)
   • CAS Number: 1306-38-3
2. Purity
   • Grade: 99.9+% (high purity)
   • Impurities: ≤0.1% (trace levels of other oxides or non-metallic elements)
3. Particle Size
   • Average Size: ~100 nm
   • Particle Size Distribution: Verified using SEM (Scanning Electron Microscopy) or TEM (Transmission Electron Microscopy)
4. Morphology
   • Shape: Near-spherical particles with uniform distribution
   • Surface Area: Moderate, suitable for catalytic and adsorption applications
5. Crystal Structure
   • Phase: Fluorite cubic structure, providing high stability and robustness
6. Physical and Chemical Properties
   • Color: Pale yellow or white powder
   • Density: ~7.22 g/cm³
   • Melting Point: ~2,400 °C
   • Thermal Stability: Maintains structural integrity at elevated temperatures
   • Optical Properties: Bandgap energy of ~2.8 eV, suitable for photocatalysis and UV absorption
7. Packaging and Storage
   • Standard Packaging: Sealed in airtight, moisture-resistant containers to prevent contamination and agglomeration
   • Storage Conditions: Store in a cool, dry environment; avoid exposure to air and moisture
   • Shelf Life: Stable under proper storage conditions
8. Safety and Handling
   • Hazards:
     • Fine cerium oxide powder may cause respiratory or eye irritation if inhaled or exposed.
     • Non-flammable but requires careful handling to prevent airborne dispersion.
   • Recommended Protective Measures:
     • Use PPE (e.g., gloves, goggles, and dust masks).
     • Ensure adequate ventilation and avoid generating airborne particles during handling.

Applications

1. Catalysis
   • Environmental Catalysis: Used in catalytic converters for reducing emissions of NOx, CO, and hydrocarbons.
   • Chemical Catalysis: Functions as an oxygen buffer, enabling redox reactions in petrochemical and industrial processes.
2. Polishing Applications
   • Glass and Optical Polishing: Extensively used for polishing glass, silicon wafers, and optical lenses due to its mild abrasive and chemical reactivity.
   • Precision Polishing: Ideal for achieving superior surface finish and smoothness.
3. Energy Applications
   • Fuel Cells: Applied as an electrolyte or cathode material in solid oxide fuel cells (SOFCs) for enhanced ionic conductivity.
   • Hydrogen Storage: Explored for potential applications in hydrogen production and storage.
4. Environmental Applications
   • Pollution Control: Effective in degrading organic pollutants and adsorbing heavy metals in water and air purification systems.
   • Air Filtration: Used in air filters to trap and degrade harmful gases and particulates.
5. Biomedical Applications
   • Antioxidant Properties: Exhibits free-radical scavenging ability, making it a promising material in nanomedicine for therapeutic applications.
   • Drug Delivery Systems: Investigated for controlled and targeted drug delivery solutions.
6. Coatings and Surface Treatments
   • Protective Coatings: Improves wear resistance, corrosion resistance, and durability in industrial tools and equipment.
   • UV Protection: Applied in sunscreens and optical coatings for UV-blocking properties.
7. Optoelectronics
   • Photonic Devices: Used in the development of optical and electronic components.
   • Gas Sensors: Effective for detecting gases such as NOx, CO, and oxygen due to its sensitivity and stability.
8. Nanocomposites
   • Reinforcement Additive: Enhances thermal, mechanical, and optical properties in polymer, ceramic, and metal composites.
   • Lightweight Components: Suitable for aerospace and automotive industries requiring high-performance materials.
9. Research and Development
   • Material Science: Extensively studied for its unique redox, optical, and catalytic properties at the nanoscale.
   • Prototype Development: Applied in experimental projects for energy, environmental, and biomedical advancements.

Key Features

• High purity (99.9+%) and nanoscale size (~100 nm) ensure superior catalytic, optical, and mechanical properties.
• High thermal and chemical stability make it ideal for energy, environmental, and industrial applications.
• Versatile applications in catalysis, coatings, optoelectronics, and precision polishing.