Molybdenum Nanopowder (Mo, 99.9%, 35-45 nm)

Technical Specifications

1. Material Name
   • Product: Molybdenum Nanopowder
   • Chemical Formula: Mo
   • CAS Number: 7439-98-7
2. Purity
   • Grade: 99.9% (metal basis)
   • Impurities: ≤0.1% (trace metal oxides, other metallic or non-metallic elements)
3. Particle Size
   • Average Size: 35–45 nm
   • Particle Size Distribution: Typically verified via SEM (Scanning Electron Microscopy) or TEM (Transmission Electron Microscopy)
4. Morphology
   • Shape: Near-spherical or irregular, depending on synthesis process
   • Surface Area: Significantly higher than bulk molybdenum due to nanoscale dimensions
5. Crystal Structure
   • Phase: Body-Centered Cubic (bcc)
   • Potential Variations: Minor discrepancies may arise based on manufacturing and processing conditions
6. Physical and Chemical Properties
   • Color: Grayish metallic powder
   • Bulk Density: Typically lower than fully dense molybdenum due to particle agglomeration at the nanoscale
   • Melting Point: ~2,623 °C
   • Boiling Point: ~4,639 °C
   • High-Temperature Stability: Molybdenum has excellent strength and stability at elevated temperatures
7. Packaging and Storage
   • Standard Packaging: Sealed in airtight containers under inert gas (e.g., argon) or vacuum to minimize oxidation
   • Storage Conditions: Store in a cool, dry environment; protect from air, moisture, and potential contaminants
   • Shelf Life: Stable if properly sealed; surface oxidation may occur over time if exposed to air
8. Safety and Handling
   • Hazards:
     • Fine molybdenum particles can be reactive or combustible under certain conditions
     • Inhalation of dust may irritate the respiratory tract
   • Recommended Protective Measures:
     • Wear suitable PPE (gloves, goggles, respirators)
     • Handle under inert atmosphere or controlled conditions to reduce oxidation and combustion risks

Applications

1. High-Temperature and Refractory Alloys
   • Alloy Strengthening: Molybdenum is widely used to enhance strength and high-temperature performance in steels, superalloys, and other metallurgical products
   • Powder Metallurgy: Nano-sized particles can improve sinterability, densification, and mechanical properties of final components
2. Electronics and Semiconductors
   • Thin Films and Contacts: Molybdenum’s stability makes it suitable for thin-film transistors, circuit interconnects, and other semiconductor applications
   • MoS₂ Synthesis: Nano-molybdenum can serve as a precursor for 2D molybdenum disulfide (MoS₂) used in electronic and optoelectronic devices
3. Catalysis
   • Chemical Processes: Molybdenum-based catalysts are utilized in hydrodesulfurization and other refining processes
   • Syngas and Hydrogenation: Nanoscale molybdenum can provide high catalytic activity and selectivity in certain hydrogenation reactions
4. Energy Storage and Conversion
   • Battery Electrodes: Molybdenum or molybdenum compounds may be used in advanced battery systems for improved capacity and cycle life
   • Fuel Cells: Nano-molybdenum can act as a catalyst or catalyst support, especially in PEM (Proton Exchange Membrane) and other fuel cell technologies
5. Coatings and Surface Engineering
   • Protective Coatings: Molybdenum’s high hardness and thermal stability make it valuable for wear-resistant and high-temperature coatings
   • Thermal Spraying: Used to improve surface properties of components exposed to friction or extreme heat
6. Additive Manufacturing (3D Printing)
   • Metal Powders: Emerging interest in using nano and submicron molybdenum powders in additive manufacturing for high-performance parts
   • Enhanced Part Properties: May lead to refined microstructures and improved mechanical properties in final printed components

In Summary

Molybdenum Nanopowder (Mo, 99.9%, 35–45 nm) is a high-purity, nanoscale form of molybdenum known for its exceptional temperature stability, strength, and catalytic properties. It finds use across various industries, including metallurgy, electronics, catalysis, and energy storage. Proper inert-atmosphere handling, as well as safe storage, are essential to preserving its quality and ensuring user safety.