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Industrial Carboxyl Single Walled Carbon Nanotube

  • Purity: >75wt%;
  • -COOH content: 2.73wt%;
  • Inner diameter: 0.8-1.6nm;
  • Outer Diameter: 1-2nm;
  • Length: 5-30um;
  • Specific Surface Area: >407 m2/g;
  • ASH:<1.5wt%;
  • Bulk Density: 0.48g/cm3;
  • True Density: 2.1g/cm3;
  • EC: >100S/cm;
  • Black powder.

Product Overview

Hiyka's Industrial Grade Carboxyl-Functionalized Single-Walled Carbon Nanotubes set the standard for high-performance nanomaterials in a wide range of industrial applications. Featuring a precise carboxyl (–COOH) functionalization, these SWCNTs offer superior solubility, enhanced dispersion in various solvents and matrices, and increased reactivity for further chemical modifications. Designed to meet the exacting demands of sectors such as electronics, energy, composite materials, and biotechnology, our carboxyl-functionalized SWCNTs drive innovation and performance improvements in products and processes.

Key factor

  • Enhanced Solubility and Dispersion: Carboxyl groups significantly improve the solubility and dispersion of SWCNTs in both aqueous and organic solvents, enabling more uniform application and integration.
  • Increased Chemical Reactivity: The –COOH functional groups facilitate covalent bonding with a variety of molecules, allowing for easy modification and integration into complex systems.
  • Exceptional Electrical Conductivity: Maintains the intrinsic high electrical conductivity of single-walled carbon nanotubes, making them ideal for advanced electronic applications.
  • High Aspect Ratio: The unique structural properties of SWCNTs, combined with carboxyl functionalization, provide unparalleled performance in strength and conductivity per unit weight.


  • Advanced Electronics: Enhances the performance of transistors, sensors, and conductive inks with superior electrical properties and miniaturization capabilities.
  • Energy Storage and Conversion: Improves the efficiency of batteries, supercapacitors, and photovoltaic cells through enhanced electrical conductivity and surface reactivity.
  • Composite Material Reinforcement: Provides exceptional strength and conductivity to polymers, ceramics, and metals for automotive, aerospace, and consumer electronics.
  • Biomedical Technologies: Facilitates drug delivery, tissue engineering, and diagnostic sensors, benefiting from improved solubility and biocompatibility.
  • Environmental Technologies: Utilized in filtration and adsorption processes for water and air purification, leveraging the chemical reactivity for pollutant capture.


  • Tailored Functionalization: Provides extensive chemical modification capabilities, offering unparalleled versatility for innovative material solutions.
  • Superior Material Integration: Enhanced solubility and reactivity lead to effective integration into a wide range of materials and composites.
  • High-Quality Manufacturing: Produced under stringent quality control measures to ensure purity, consistency, and superior performance.
  • Support for Sustainable Development: Contributes to the creation of eco-friendly materials and technologies, aligning with environmental sustainability goals.
  • Scalable Production: Available in bulk quantities to meet the demands of large-scale industrial applications and manufacturing processes.


  • Aditya Kataria, Zhiyong Liang, Traian Dumitricǎ. Computational Investigation of Interacting Nanohole Defects for Carbon Nanotube Cross-Linking and Functionalization with Bismaleimide: Implications for Ultrastrong, Lightweight Nanocomposites. ACS Applied Nano Materials 2023, 6 (8) , 6474-6479. 

  • Timothy MacLucas, Andreas Klemenz, Patrick Grünewald, Volker Presser, Leonhard Mayrhofer, Gianpietro Moras, Sebastian Suarez, Martin Dienwiebel, Frank Mücklich, Michael Moseler. Multiwall Carbon Nanotubes for Solid Lubrication of Highly Loaded Contacts. ACS Applied Nano Materials 2023, 6 (3) , 1755-1769. 

  • Chiyu Zhang, Jacob Fortner, Peng Wang, Jeffrey A. Fagan, Shuhui Wang, Ming Liu, Shigeo Maruyama, YuHuang Wang. van der Waals SWCNT@BN Heterostructures Synthesized from Solution-Processed Chirality-Pure Single-Wall Carbon Nanotubes. ACS Nano 2022, 16 (11) , 18630-18636.

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