(-OH) Functionalized Multi Walled Carbon Nanotubes, Purity: > 96%, Outside Diameter: < 8 nm

Technical Specification:

1. Material Composition:
   • Structure: Multi-Walled Carbon Nanotubes (MWCNTs).
     • Composed of multiple concentric graphene layers.
   • Functional Group: Hydroxyl (-OH).
     • Surface-modified with hydroxyl groups to enhance dispersion and compatibility with hydrophilic systems.
   • Purity: >96%.
     • High purity ensures minimal impurities such as amorphous carbon and catalyst residues.
   • Outer Diameter: <8 nm.
     • Nanoscale diameter supports high surface area and functional efficiency.
   • Length: Typically 5–15 µm, depending on synthesis.
2. Physical Properties:
   • Form: Black powder.
   • Specific Surface Area: 200–400 m²/g, depending on morphology and degree of functionalization.
   • Density: ~ 1.8–2.1 g/cm³, depending on packing.
3. Chemical Properties:
   • Functional Groups: Hydroxyl (-OH) groups bonded to the surface.
     • Enhance hydrophilicity, improving dispersion in aqueous and polar systems.
   • Chemical Stability:
     • Resistant to moderate temperatures and environmental conditions.
4. Electrical and Thermal Properties:
   • Electrical Conductivity:
     • Slightly reduced compared to pristine MWCNTs due to functionalization but still excellent for many applications.
   • Thermal Conductivity:
     • High thermal conductivity along the tube axis, typically >1000 W/m·K.
5. Packaging:
   • Available in sealed containers ranging from 10 g to 5 kg, tailored to research and industrial needs.

Applications:

1. Primary Applications:
   • Energy Storage:
     • Enhances electrode performance in lithium-ion batteries, supercapacitors, and fuel cells.
   • Composites:
     • Improves mechanical, thermal, and electrical properties of hydrophilic polymers and resins.
   • Coatings:
     • Used in water-based conductive and antistatic coatings.
2. Industries:
   • Electronics:
     • Applied in sensors, flexible circuits, and printed electronics.
   • Energy:
     • Boosts performance in energy storage systems and renewable energy technologies.
   • Biomedical:
     • Suitable for drug delivery, tissue engineering, and biosensor applications due to its functionalized surface.
   • Environmental:
     • Acts as an adsorbent for pollutants and heavy metals in water treatment.
3. Advantages for Applications:
   • Improved Dispersion:
     • Hydroxyl functionalization enhances solubility in water and polar solvents.
   • Enhanced Compatibility:
     • Functionalized surface allows better integration with polymers, ceramics, and composites.
   • High Aspect Ratio:
     • Provides excellent reinforcement and conductive pathways in composites.
   • Versatile Chemistry:
     • Hydroxyl groups enable further chemical modifications for specialized applications.
4. Specialized Uses:
   • Biomedical Applications:
     • Facilitates biocompatible drug delivery systems and scaffolds for tissue engineering.
   • Catalysis:
     • Acts as a support for metal nanoparticles in catalytic reactions.
   • Water Treatment:
     • Efficiently removes organic contaminants and heavy metals from water.
   • Sensors:
     • Improves sensitivity in gas and biosensors.
5. Challenges and Mitigation:
   • Electrical Conductivity:
     • Functionalization may slightly reduce conductivity.
       • Solution: Use in systems where hydrophilicity is more critical than maximum conductivity.
   • Cost:
     • Functionalized MWCNTs are more expensive than pristine ones.
       • Solution: Optimize for high-value applications.
   • Processing Complexity:
     • Requires expertise to integrate into some systems.
       • Solution: Leverage dispersion aids and advanced processing techniques.

Storage Guidelines:

• Temperature: Store in a cool, dry place away from direct sunlight and moisture.
• Container: Use airtight containers to prevent contamination and degradation.
• Handling: Wear appropriate safety equipment to avoid inhalation or skin contact.

Summary:

Hydroxyl (-OH) Functionalized Multi-Walled Carbon Nanotubes (MWCNTs) with >96% purity and an outer diameter of <8 nm are versatile nanomaterials designed for advanced applications in energy storage, composites, electronics, and biomedical fields. Their improved dispersibility and compatibility make them ideal for hydrophilic systems, while retaining excellent mechanical, thermal, and electrical properties. Proper handling and integration ensure optimal performance across various industries.