Silver Nanopowder (Ag, 99.99%, 30-50nm, metal basis)

Silver Nanopowder (Ag, 99.99%, 30-50nm, metal basis) is a high-purity form of silver in nanoparticle form, with an average particle size range of 30-50 nanometers (nm). This powder is used in various applications where the unique properties of silver at the nanoscale are required. Here’s a breakdown of its key characteristics and uses:

1. Key Features:

• Silver (Ag): The material is pure silver, which is well-known for its excellent electrical conductivity, thermal conductivity, and antimicrobial properties. It is commonly used in electronics, medicine, and catalysis.
• Purity (99.99%): The powder is 99.99% pure, meaning it contains a very low level of impurities, which is crucial for applications that require high-quality silver without any contamination affecting performance.
• Nanoparticle Size (30-50 nm): The particle size range of 30-50 nm places this nanopowder in the fine nanoparticle category. At this size, silver exhibits properties that are different from bulk silver, such as increased surface area and enhanced chemical reactivity.
• Metal Basis: The silver content is expressed on a metal basis, which refers to the actual mass of silver in the nanopowder, ensuring precise information about the composition and concentration of the material.

2. Properties:

• Increased Surface Area: The 30-50 nm size range of the nanoparticles provides a high surface-to-volume ratio, which increases their chemical reactivity, making them more efficient for various applications such as catalysis and antimicrobial uses.
• High Purity: The 99.99% purity ensures that the nanoparticles have minimal impurities, allowing for optimal performance in sensitive applications, such as electronics or medical technologies.
• Electrical Conductivity: Silver is one of the best conductors of electricity. The 30-50 nm silver nanoparticles retain this property, making them ideal for use in conductive inks, films, and other electronic materials.
• Antimicrobial Properties: Silver is widely known for its antimicrobial properties. These nanoparticles are effective in preventing bacterial growth, which is why they are used in medical devices, wound care, and various antimicrobial coatings.
• Catalytic Activity: Due to their increased surface area, silver nanoparticles exhibit enhanced catalytic properties, making them useful in chemical reactions, fuel cells, and environmental remediation processes.

3. Applications:

• Electronics: Silver nanoparticles are used in electronic applications such as conductive inks, films, and printed electronics due to their high conductivity. They are crucial in the manufacturing of advanced components such as flexible circuits and printed sensors.
• Antimicrobial Coatings: Silver nanoparticles are commonly applied in medical devices, wound care products, and textiles for their antimicrobial properties. They help prevent the growth of harmful bacteria and other microorganisms.
• Catalysis: The high surface area of the 30-50 nm silver nanoparticles makes them ideal for use in catalytic reactions, such as in the production of chemicals, fuel cells, and environmental applications that require efficient chemical conversion.
• Sensors: Silver nanoparticles are used in sensors for detecting various gases, chemicals, and biological substances due to their enhanced reactivity and ability to interact with target molecules.
• Coatings: Silver nanoparticles are incorporated into coatings to provide antimicrobial and conductive properties to surfaces. These coatings are used in various industries, including healthcare, automotive, and electronics.

4. Handling and Safety:

• Toxicity and Health Hazards: Silver nanoparticles, like all nanomaterials, should be handled with care. While silver itself is generally considered safe, the nanoparticles can present unique risks, such as inhalation, skin absorption, or ingestion in large amounts. Proper personal protective equipment (PPE) like gloves, goggles, and masks should be worn during handling.
• Storage: The silver nanopowder should be stored in a cool, dry, and well-ventilated area to prevent oxidation or clumping. The container should be tightly sealed to avoid contamination by moisture or air.
• Precautions: It is important to handle silver nanopowder in a controlled environment, such as under a fume hood, to avoid accidental inhalation or exposure. Proper disposal procedures should also be followed to minimize environmental impact.

Summary:

Silver Nanopowder (Ag, 99.99%, 30-50nm, metal basis) is a high-purity, ultrafine silver powder with significant applications in electronics, catalysis, antimicrobial products, and sensor technologies. Its small particle size enhances the material’s reactivity, conductivity, and antimicrobial properties, making it valuable in a wide range of industries. The 99.99% purity ensures high performance in demanding applications, while the metal basis ensures accurate information about its silver content. However, as with all nanoparticles, proper safety measures should be followed to prevent exposure and ensure safe handling.