Description
Silver (Ag) Nanopowder/Nanoparticles
Purity: >99.9+% | Particle Size: 30–50 nm | Stabilized with ~0.25% PVP | Shape: Spherical
This silver nanopowder is stabilized with ~0.25% PVP (polyvinylpyrrolidone) to ensure superior dispersibility and stability in diverse applications. With a particle size between 30–50 nm and ultra-high purity (>99.995%), it is widely used in antibacterial coatings, advanced catalysis, diagnostics, and electronics.
Technical Properties
Property | Value |
---|---|
Purity (Ag, Metal Basis) | >99.9+% |
Stabilizer | ~0.25% PVP |
Color | Black |
Shape | Spherical |
Crystal Structure | Cubic |
Average Particle Size | 30–50 nm |
Specific Surface Area | 7.0–10.0 m²/g |
Bulk Density | 1.24 g/cm³ |
True Density | 10.6 g/cm³ |
Melting Point | 961.9 °C |
Boiling Point | 2212 °C |
Atomic Weight | 107.87 |
Elemental Composition
Element | Content (%) |
---|---|
Ag | ≥99.95 |
Cu | ≤0.010 |
Fe | ≤0.003 |
Bi, Pb, Sb | ≤0.002 |
Key Applications
Antimicrobial & Disinfectant Use
Ideal for coatings, packaging, and medical devices, silver nanoparticles provide long-term protection against a broad spectrum of pathogens such as E. coli and S. aureus.
Catalysis
Silver nanoparticles enhance reaction rates and efficiency in catalytic processes such as ethylene oxidation, making them valuable in chemical synthesis.
Biotechnology & Medical Research
Used in genetic diagnostics, AIDS drug development, and targeted delivery systems due to their bioactivity and reactivity.
Consumer Goods
Incorporated into appliances, toys, textiles, and food packaging to add antibacterial and odor-control properties.
Smart Coatings & Paints
Applied to construction materials and surfaces to ensure antibacterial resistance and corrosion protection.