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Description

Silver (Ag) Nanopowder/Nanoparticles

Purity: >99.9+% | Average Particle Size: 20 nm | Crystal Structure: Cubic

Silver (Ag) nanoparticles are widely recognized for their exceptional antimicrobial, catalytic, and biological properties. With a particle size of 20 nm and high purity, these spherical, black-colored nanoparticles offer a wide range of applications across various fields—from medicine to materials engineering, from consumer products to biotechnology.


Technical Properties

Property Value
Purity (Ag) >99.9+% (metal basis)
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 Analysis

Element Content (%)
Ag ≥ 99.9+
Cu ≤ 0.010
Fe ≤ 0.003
Bi, Pb, Sb ≤ 0.002

Key Applications

Antimicrobial and Disinfectant Use
Silver nanoparticles are used to inhibit or kill harmful pathogens such as E. coli and S. aureus. They retain their effectiveness across varying pH levels and oxidation conditions. Common uses include pharmaceutical formulations, antibacterial coatings, and personal care products.

Catalysis
In catalytic applications, silver nanoparticles accelerate chemical reactions—particularly in processes like ethylene oxidation—improving overall efficiency.

Biomedical and Genetic Research
Used in diagnostics, biosensors, and nucleic acid research. Their small size and chemical reactivity make them ideal for advanced imaging and targeted delivery applications.

Consumer and Industrial Products
Silver nanoparticles are increasingly integrated into electronics, household appliances (refrigerators, washing machines), textiles, air filtration systems, and paints to provide durable antimicrobial protection.

Additional information

Gram

1 g, 5 g, 25 g, 100 g