What is Nitrogen-Doped Multi Walled Carbon Nanotubes (N-MWCNTs)?

Nitrogen-Doped Multi Walled Carbon Nanotubes (N-MWCNTs) are advanced nanomaterials that incorporate nitrogen atoms into the carbon lattice of multi-walled carbon nanotubes (MWCNTs). This doping process enhances electrical conductivity, chemical reactivity, and catalytic properties, making them ideal for energy storage, catalysis, and electronic applications.

Chemical Properties and CAS Number

• Material: Nitrogen-Doped Multi Walled Carbon Nanotubes (N-MWCNTs)
• CAS Number: 308068-56-6 (General for CNTs)
• Molecular Formula: C_xN_y (Variable composition depending on synthesis method)
• Density: ~1.5 g/cm³
• Outer Diameter: 10 – 100 nm
• Length: 1 – 50 µm
• Nitrogen Content: 1 – 10 wt%
• Electrical Conductivity: Higher than pristine MWCNTs due to nitrogen doping
• Surface Area: 100 – 500 m²/g
• Thermal Stability: Up to 700°C in an inert atmosphere
• Appearance: Black powder or dispersion
• Purity: ≥ 99% (Available in different grades based on application needs)

Applications of Nitrogen-Doped Multi Walled Carbon Nanotubes (N-MWCNTs)

1. Energy Storage & Battery Technology

• Used in lithium-ion (Li-ion), sodium-ion, and solid-state batteries.
• Improves electrode conductivity and charge capacity.
• Enhances battery cycling stability and efficiency.
• Applied in supercapacitors and energy storage devices.

2. Fuel Cells & Catalysis

• Acts as a high-performance catalyst support in fuel cells.
• Used in oxygen reduction reactions (ORR) for fuel cells.
• Supports metal-free and platinum-based catalysts for improved efficiency.
• Increases active sites for electrochemical reactions.

3. Electronics & Sensors

• Used in high-performance transistors, conductive films, and flexible electronics.
• Enhances sensor sensitivity in gas and biosensors.
• Utilized in transparent conductive coatings.
• Applied in field emission displays (FEDs).

4. Coatings & Composite Materials

• Improves mechanical strength and electrical properties in polymer composites.
• Used in anti-static coatings, EMI shielding, and conductive paints.
• Enhances thermal stability in advanced coatings.

5. Hydrogen Storage & Carbon Capture

• Facilitates hydrogen storage applications due to high surface area.
• Applied in CO₂ adsorption and separation processes.
• Used in environmental remediation for pollutant removal.

6. Biomedical & Drug Delivery

• Utilized in biocompatible nanocarriers for targeted drug delivery.
• Applied in biosensors and bioelectronics.
• Used in antibacterial coatings and tissue engineering.

Pricing of Nitrogen-Doped Multi Walled Carbon Nanotubes (N-MWCNTs)

Pricing varies based on purity, nitrogen content, and bulk order quantity:

• Lab-Scale (≥ 99% Purity, Small Quantity): $300 – $800 per 100g
• Industrial-Grade (Bulk Orders, Standard Purity): $3,000 – $10,000 per kg
• High Purity (≥ 99.9% Ultra-High Purity): $15,000+ per kg

Factors Influencing Pricing

• Nitrogen Doping Level (1 – 10%)
• Purity & Functionalization (Carboxyl (-COOH), Hydroxyl (-OH), etc.)
• Synthesis Method (Chemical Vapor Deposition, Plasma Process, Arc Discharge)
• Particle Size & Surface Area
• Bulk Order Discounts & Packaging Options

Conclusion

Nitrogen-Doped Multi Walled Carbon Nanotubes (N-MWCNTs) offer superior electrical conductivity, catalytic activity, and mechanical properties, making them essential for energy storage, fuel cells, electronics, coatings, and biomedical applications. Their high surface area and tunable nitrogen content make them one of the most promising nanomaterials in advanced materials research.