Technical Specifications
- Product Name: Zinc Nanopowder
- Chemical Formula: Zn
- CAS Number: 7440-66-6
- Purity
- Grade: 99.9% (high purity)
- Impurities: ≤0.1% (trace oxides, other metals, or non-metallic elements)
- Particle Size
- Range: 65–75 nm
- Particle Size Distribution: Verified via SEM (Scanning Electron Microscopy) or TEM (Transmission Electron Microscopy)
- Morphology
- Shape: Near-spherical or irregular particles, depending on synthesis process
- Surface Area: High, though slightly lower than smaller nanoparticles (<50 nm)
- Crystal Structure
- Phase: Hexagonal Close-Packed (hcp)
- Stability: Stable under normal conditions but prone to surface oxidation if exposed to air
- Physical and Chemical Properties
- Color: Silvery-gray metallic powder
- Density: ~7.14 g/cm³ (bulk density is lower due to particle agglomeration)
- Melting Point: ~419.5 °C
- Boiling Point: ~907 °C
- Reactivity: Highly reactive at the nanoscale, particularly with oxygen and acids
- Packaging and Storage
- Standard Packaging: Sealed in airtight containers under inert gas (e.g., argon) or vacuum-sealed to minimize oxidation
- Storage Conditions: Store in a cool, dry environment; protect from moisture, air, and heat
- Shelf Life: Stable when stored properly; surface oxidation may occur with prolonged exposure to air
- Safety and Handling
- Hazards:
- Zinc nanopowder is flammable and poses a risk of combustion when exposed to air or heat.
- Inhalation of fine zinc dust may cause respiratory irritation or “metal fume fever.”
- Recommended Protective Measures:
- Use PPE (e.g., gloves, goggles, and respirators).
- Handle in an inert or controlled atmosphere to prevent oxidation and ignition risks.
- Hazards:
Applications
- Energy Storage
- Battery Applications: Zinc nanoparticles are utilized in zinc-air and alkaline batteries to enhance performance and efficiency.
- Energy Research: Studied for potential applications in next-generation energy storage systems.
- Electronics
- Conductive Inks: Zinc nanopowder is employed in conductive inks and pastes for flexible electronics and printed circuits.
- Electronic Components: Used in electronic devices requiring efficient thermal and electrical conductivity.
- Catalysis
- Industrial Catalysis: Zinc nanoparticles act as catalysts in chemical reactions such as hydrogenation and oxidation processes.
- Environmental Catalysis: Effective in pollutant removal and water treatment applications.
- Antimicrobial Coatings
- Protective Coatings: Zinc nanopowder is incorporated into coatings for antimicrobial and antifungal properties in paints, textiles, and polymers.
- Medical and Healthcare: Used in products like lotions and creams for its antimicrobial benefits.
- Nanocomposites
- Reinforcement Materials: Zinc nanoparticles enhance the mechanical, thermal, and electrical properties of composites.
- Lightweight Structures: Suitable for aerospace and automotive applications requiring high strength-to-weight ratios.
- Coatings and Surface Treatments
- Corrosion Resistance: Applied in anti-corrosion coatings for industrial tools and machinery.
- Thermal Management: Used in coatings that enhance heat dissipation in high-temperature environments.
- Biomedical Applications (Experimental)
- Drug Delivery: Zinc nanoparticles are being explored for their potential in controlled drug release systems.
- Biosensors: Functionalized zinc nanoparticles are utilized for detecting biomolecules with high precision.
- Research and Development
- Material Science: Widely used in experimental studies to investigate the unique properties of zinc at the nanoscale.
- Prototype Development: Ideal for testing advanced applications in catalysis, coatings, and energy systems.
Key Features
- High purity (99.9%) and nanoscale size (65–75 nm) provide excellent reactivity and functionality in various advanced applications.
- Widely applicable in energy storage, electronics, antimicrobial treatments, and industrial coatings.
- Superior performance in nanocomposites and protective coatings due to its excellent thermal and electrical properties.