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Short Carboxyl purified Single Walled Carbon Nanotube

  • Purity: >90wt%;
  • -COOH content: 2.73wt%;
  • Inner diameter: 0.8-1.6nm;
  • Outer Diameter: 1-2nm;
  • Length: 1-3um;
  • Specific Surface Area: >380 m2/g;
  • ASH:<1.5wt%;
  • Bulk Density: 0.14g/cm3;
  • True Density: 2.1g/cm3;
  • EC: >100S/cm;
  • Black powder.

Product Overview

Hiyka introduces its premium line of Short Carboxyl-Purified Single-Walled Carbon Nanotubes, a cutting-edge material engineered to propel advancements in nanotechnology and materials science. This specialized variant features SWCNTs that have been meticulously shortened and functionalized with carboxyl (–COOH) groups, offering superior solubility, enhanced dispersion, and increased chemical reactivity. Designed for high-precision applications in electronics, biomedicine, energy storage, and composite materials, our short carboxyl-purified SWCNTs combine the exceptional electrical, thermal, and mechanical properties of SWCNTs with improved processability and application versatility.

Key factor

  • Optimized Length: The shortened SWCNTs provide unique properties, including improved homogeneity in composite materials and tailored performance in electronic devices.
  • Carboxyl Functionalization: Enhanced with carboxyl groups for increased solubility in various solvents, enabling better dispersion within matrices and facilitating chemical modifications.
  • Exceptional Purity: Purification processes remove impurities, ensuring a high-quality product with consistent performance across applications.
  • High Electrical Conductivity: Maintains the intrinsic conductivity of SWCNTs, essential for applications in conductive films, sensors, and nanoelectronics.
  • Mechanical Strength and Flexibility: Leverages the unparalleled tensile strength of SWCNTs, beneficial for reinforcing advanced composite materials.


  • Electronics and Nanoelectronics: Perfect for developing miniaturized electronic components, where the short length and high conductivity of SWCNTs are crucial.
  • Advanced Composite Materials: Enhances polymers, resins, and ceramics with increased strength, electrical conductivity, and thermal stability.
  • Energy Storage: Improves the efficiency of batteries and supercapacitors through enhanced electrical conductivity and surface area.
  • Biomedical Applications: Supports drug delivery, tissue engineering, and biosensors, benefiting from the biocompatibility and functionalization of SWCNTs.
  • Environmental Technologies: Utilized in filtration and adsorption processes for efficient pollutant removal, leveraging the high surface area and reactivity.


  • Precision Engineering: Tailored length and functionalization offer precise control over material properties, enabling cutting-edge applications.

  • Superior Integration: Enhanced dispersion and chemical reactivity facilitate seamless incorporation into diverse materials and systems.

  • High-Quality Standards: Manufactured under stringent controls to ensure purity, consistency, and performance, meeting the demands of advanced research and industry.

  • Innovative Potential: Opens new avenues for material science exploration, driving technological breakthroughs and sustainable solutions.

  • Scalability: Available in bulk quantities, supporting large-scale applications and manufacturing processes without compromising quality.


  • A new approach to the functionalization of single-walled carbon nanotubes with both alkyl and carboxyl groups

    S Chen, W Shen, G Wu, D Chen, M Jiang - Chemical Physics Letters, 2005 - Elsevier
  • Synthesis and characterization of water soluble single-walled carbon nanotube graft copolymers

    B Zhao, H Hu, A Yu, D Perea… - Journal of the American …, 2005 - ACS Publications
  • Controlled carboxylic acid introduction: a route to highly purified oxidised single-walled carbon nanotubes

    K Flavin, I Kopf, E Del Canto, C Navio… - Journal of Materials …, 2011 - pubs.rsc.org
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