What is Tin Oxide (SnO₂) Nanopowder/Nanoparticles?

Tin Oxide (SnO₂) Nanopowder/Nanoparticles are high-performance metal oxide nanomaterials known for their excellent electrical conductivity, optical transparency, and gas sensing properties. Due to their high surface area and thermal stability, they are widely used in electronics, energy storage, coatings, catalysis, and gas sensors.

Chemical Properties of Tin Oxide (SnO₂) Nanoparticles

• Chemical Formula: SnO₂
• Molecular Weight: 150.69 g/mol
• Density: ~6.95 g/cm³
• Melting Point: ~1,630°C
• Band Gap: ~3.6 eV (Wide bandgap semiconductor)
• Electrical Properties: Conductive when doped (e.g., with Sb or F)
• Solubility: Insoluble in water, soluble in acids
• Refractive Index: ~2.0
• CAS Number: 18282-10-5

Applications of Tin Oxide (SnO₂) Nanoparticles

1. Electronics & Transparent Conductive Films (TCFs)

   • Used in ITO (Indium Tin Oxide) coatings for touchscreens, OLEDs, and displays.
   • Enhances conductivity in thin-film transistors (TFTs) and electronic circuits.

2. Gas Sensors & Environmental Monitoring

   • Applied in high-sensitivity gas sensors for detecting CO, NO₂, H₂, and volatile organic compounds (VOCs).
   • Used in air quality monitoring and industrial safety applications.

3. Energy Storage & Lithium-Ion Batteries (LIBs)

   • Enhances anode performance in lithium-ion batteries by increasing charge storage capacity.
   • Used in supercapacitors and energy storage devices.

4. Photocatalysis & Solar Cells

   • Acts as a photocatalyst for air and water purification.
   • Applied in perovskite solar cells and dye-sensitized solar cells (DSSCs) to improve efficiency and light absorption.

5. Coatings & Anti-Reflective Films

   • Provides UV and infrared resistance in specialty coatings.
   • Used in heat-reflective windows, automotive coatings, and smart glass.

6. Catalysis & Chemical Processing

   • Acts as a catalyst in petrochemical refining, fuel cell technology, and hydrogen production.
   • Enhances oxidation reactions in industrial chemical processes.

7. Biomedical & Antimicrobial Applications

   • Used in antibacterial coatings for medical devices and packaging.
   • Potential applications in drug delivery and bioimaging.

Tin Oxide (SnO₂) Nanoparticle Prices

Pricing varies based on purity, particle size, and industry requirements.

• Industrial Grade (99% Purity): $50 – $200 per kg
• High Purity (99.9% – 99.99% for Electronics & Coatings): $500 – $2,000 per kg
• Ultra-High Purity (99.999% for Research & Semiconductor Applications): $3,000 – $10,000 per kg

Prices fluctuate based on global demand, refining costs, and high-tech industry adoption.