What is Carbon Nanotube-TiO₂ Composite Prepared by Electrostatic Adsorption?

Carbon Nanotube-TiO₂ (CNT-TiO₂) composite is a hybrid nanomaterial formed by electrostatically adsorbing titanium dioxide (TiO₂) nanoparticles onto carbon nanotubes (CNTs). This combination enhances photoactivity, electrical conductivity, and catalytic efficiency, making it useful in energy storage, photocatalysis, and electronic applications.

Chemical Properties and CAS Number

• Material: Carbon Nanotube-TiO₂ Composite
• CAS Number (CNT): 308068-56-6
• CAS Number (TiO₂): 13463-67-7
• Density: ~4.23 g/cm³ (TiO₂), ~1.3 g/cm³ (CNTs)
• Surface Area: High surface area due to CNT network
• Conductivity: Enhanced electrical conductivity from CNTs
• Photocatalytic Activity: Improved due to TiO₂ nanoparticles
• Appearance: Black or grayish powder

Applications of Carbon Nanotube-TiO₂ Composite

1. Photocatalysis & Environmental Applications

• Used in solar water splitting for hydrogen production.
• Applied in degradation of organic pollutants in wastewater treatment.
• Enhances visible-light photocatalysis for air purification.

2. Energy Storage & Lithium-Ion Batteries (LIBs)

• Improves charge storage capacity in supercapacitors.
• Used as an anode material in lithium-ion and sodium-ion batteries.
• Enhances electrochemical stability and cycling performance.

3. Dye-Sensitized & Perovskite Solar Cells

• Enhances electron transport efficiency for higher photovoltaic performance.
• Applied in next-generation solar energy conversion technologies.

4. Electronic & Semiconductor Industry

• Used in high-performance transistors, sensors, and flexible electronics.
• Improves photodetector sensitivity and optoelectronic properties.

5. Biomedical & Antimicrobial Applications

• Applied in biocompatible coatings for medical implants.
• Used in antibacterial coatings due to the photocatalytic effect.

6. Hydrogen Evolution Reaction (HER) & Fuel Cells

• Enhances electrocatalytic activity for hydrogen fuel generation.
• Used in proton-exchange membrane fuel cells (PEMFCs).

Pricing of Carbon Nanotube-TiO₂ Composite

Prices depend on purity, composition ratio, functionalization, and order quantity:

• Lab-Scale Orders: $300 – $1,500 per 100g
• Industrial-Scale Orders: $5,000 – $20,000 per kg
• Custom Functionalized CNT-TiO₂: Price varies based on modifications

Factors Influencing Pricing

• Ratio of TiO₂ to CNTs (10:90, 50:50, etc.)
• Surface functionalization (OH, COOH, NH₂ functionalized CNTs)
• Nanoparticle size (5-50 nm TiO₂ particles)
• Purity level and defect-free CNT structure
• Bulk order discounts and production method

Conclusion

Carbon Nanotube-TiO₂ composite prepared via electrostatic adsorption is an advanced nanomaterial offering superior photocatalytic, electrochemical, and electronic properties. It plays a crucial role in photocatalysis, energy storage, solar cells, and biomedical applications, making it an essential material for cutting-edge research and industry.