What are Carbon Nanotubes (CNTs)?

Carbon Nanotubes (CNTs) are cylindrical nanostructures composed of carbon atoms arranged in a hexagonal lattice. Known for their extraordinary mechanical strength, electrical conductivity, and thermal stability, they are widely used in nanotechnology, electronics, materials science, and biomedical applications.

Chemical Properties and CAS Number

• Chemical Formula: C
• CAS Number: 308068-56-6
• Appearance: Black fine powder
• Density: Varies based on structure (Single-Walled: ~1.3 g/cm³, Multi-Walled: ~1.8 g/cm³)
• Melting Point: Decomposes above ~3,000°C in an inert atmosphere
• Solubility: Insoluble in water, dispersible in solvents with functionalization
• Chemical Stability: Highly stable, strong resistance to oxidation and corrosion

Applications of Carbon Nanotubes

1. Electronics and Semiconductor Industry

Used in transistors, flexible electronics, and conductive films due to their exceptional electrical conductivity.

2. Energy Storage and Battery Technology

Employed in lithium-ion batteries, supercapacitors, and fuel cells to improve energy efficiency and charge retention.

3. Composite Materials and Structural Reinforcement

Integrated into polymers, metals, and ceramics to enhance mechanical strength, lightweight properties, and durability.

4. Biomedical and Drug Delivery Applications

Utilized in targeted drug delivery, biosensors, and medical imaging due to their biocompatibility and functionalization potential.

5. Aerospace and Automotive Engineering

Applied in lightweight, high-strength materials for aerospace components and next-generation vehicle designs.

6. Environmental and Water Purification

Used in filtration membranes, air purification, and wastewater treatment for pollutant adsorption and advanced filtration.

Pricing of Carbon Nanotubes

Prices vary based on purity, type (Single-Walled vs. Multi-Walled), functionalization, and application-specific requirements:

• Industrial Grade: Typically ranges from $100 – $500 per kilogram
• High-Purity/Specialized Grade: Prices range from $1,000 – $10,000 per kilogram, used in advanced electronics and biomedical applications.

Factors Influencing Carbon Nanotube Prices

• Type (Single-Walled CNTs vs. Multi-Walled CNTs)
• Functionalization and surface modifications
• Industry-specific standards and certifications
• Bulk order volume and processing costs

Conclusion

Carbon Nanotubes (CNTs) are revolutionary nanomaterials with exceptional electrical, mechanical, and thermal properties. Their applications in electronics, energy storage, aerospace, and biomedical fields make them one of the most versatile materials in nanotechnology. Pricing is influenced by purity, structural type, and industry demand.