What is Yttrium Oxide (Y₂O₃) Nanopowder/Nanoparticles?

Yttrium Oxide (Y₂O₃) Nanopowder/Nanoparticles are high-purity rare-earth metal oxides known for their high thermal stability, excellent optical properties, and strong chemical resistance. These nanoparticles are widely used in ceramics, phosphors, optical coatings, electronics, catalysis, and biomedical applications due to their high melting point, infrared transparency, and electrical insulation properties.

Chemical Properties of Yttrium Oxide (Y₂O₃) Nanoparticles

• Chemical Formula: Y₂O₃
• Molecular Weight: 225.81 g/mol
• Density: ~5.01 g/cm³
• Melting Point: ~2,410°C
• Boiling Point: ~4,300°C
• Band Gap: ~5.8 eV (wide bandgap semiconductor)
• Thermal Conductivity: ~27 W/m·K
• Solubility: Insoluble in water, soluble in acids
• Crystal Structure: Cubic
• CAS Number: 1314-36-9

Applications of Yttrium Oxide (Y₂O₃) Nanoparticles

1. Optical & Phosphor Applications

   • Used in red phosphors for LED displays, fluorescent lamps, and plasma screens.
   • Applied in high-intensity discharge lamps and cathode-ray tubes (CRTs).

2. Ceramics & High-Temperature Coatings

   • Enhances thermal and mechanical properties in high-performance ceramics.
   • Used in thermal barrier coatings (TBCs) for aerospace turbine engines.

3. Electronics & Semiconductor Industry

   • Acts as an insulating layer in semiconductor devices and thin-film transistors (TFTs).
   • Applied in oxide-based resistive RAM (ReRAM) and transparent conductive films.

4. Catalysis & Chemical Processing

   • Acts as a catalyst in hydrogen production, fuel cells, and automotive exhaust purification.
   • Enhances oxidation reactions in petrochemical refining.

5. Biomedical & Medical Imaging Applications

   • Used in nanoparticle-based drug delivery and targeted cancer therapies.
   • Applied in MRI contrast agents for medical imaging.

6. Laser & Optical Coatings

   • Used in yttrium-aluminum-garnet (YAG) lasers for industrial, military, and medical applications.
   • Enhances infrared transmission in optical windows and lens coatings.

7. Metallurgy & Superalloys

   • Improves oxidation and corrosion resistance in steel and superalloy production.
   • Used in yttrium-stabilized zirconia (YSZ) for fuel cells and sensors.

8. Nanotechnology & Advanced Materials

   • Applied in nanocomposites, smart coatings, and next-generation electronics.
   • Used in self-cleaning surfaces and anti-corrosion coatings.

Yttrium Oxide (Y₂O₃) Nanoparticle Prices

Pricing varies based on purity, particle size, and industry-specific modifications.

• Industrial Grade (98-99% Purity): $50 – $300 per kg
• High Purity (99.9% – 99.99% for Electronics & Catalysis Applications): $500 – $2,500 per kg
• Ultra-High Purity (99.999% for Research & Optical Coatings): $3,000 – $8,000 per kg

Prices fluctuate based on global yttrium supply, extraction costs, and demand from high-tech industries.