Description
Silver (Ag) Nanopowder/Nanoparticles
Purity: >99.9+% | Particle Size: 20 nm | Stabilized with ~0.25% PVP | Shape: Spherical
Silver nanoparticles are renowned for their strong antimicrobial efficacy and catalytic performance, making them valuable across various high-impact industries. This product is uniquely stabilized with ~0.25% PVP (Polyvinylpyrrolidone) to prevent agglomeration and improve dispersibility in solvents and composites.
Technical Properties
Property | Value |
---|---|
Purity (Ag, Metal Basis) | >99.9+% |
Stabilizer | ~0.25% PVP |
Color | Black |
Shape | Spherical |
Crystal Structure | Cubic |
Average Particle Size | 20 nm |
Specific Surface Area | 17.0–21.0 m²/g |
True Density | 10.6 g/cm³ |
Melting Point | 961.9 °C |
Boiling Point | 2212 °C |
Atomic Weight | 107.87 |
Elemental Composition
Element | Content (%) |
---|---|
Ag | ≥99.995 |
Cu | ≤0.010 |
Fe | ≤0.003 |
Bi, Pb, Sb | ≤0.002 |
Key Applications
Antibacterial & Disinfectant Use
Effective against bacteria and viruses (E. coli, S. aureus), this product is highly suited for coatings, medical devices, and water treatment systems.
Catalysis
Used in chemical reactions like ethylene oxidation, silver nanoparticles improve both reaction rate and catalytic efficiency.
Biotechnology & Medical Research
Silver nanoparticles support gene diagnostics, drug delivery research, and AIDS therapies, offering unique interaction with biomolecules.
Household & Consumer Goods
Added to appliances, textiles, food packaging, and detergents, silver nanomaterials deliver long-term antimicrobial protection.
Construction & Coatings
Incorporated in antibacterial paints and surface treatments for buildings and infrastructure to enhance hygiene and resist corrosion.