(-COOH) Functionalized Double Walled Carbon Nanotubes

(-COOH) Functionalized Double Walled Carbon Nanotubes (DWCNT-COOH) from Nanografi are black carbon nanomaterials made by chemical vapour deposition (CVD). Each tube is built from two concentric graphitic walls, with an outer diameter of 2-4 nm, an inner diameter of 1-3 nm and a length of about 48 µm. Purity is above 65 %, and the carboxyl content is 2.6%.

Grafting carboxyl groups onto the nanotube surface makes the material easier to disperse and more chemically reactive. It also improves compatibility with polymer matrices and biological systems. The nanotubes combine an electrical conductivity of 98 S/cm with a large surface area and distinctive optical and mechanical behaviour.

These properties make DWCNT-COOH a practical choice for research and development in energy storage, electronics, composite reinforcement, catalysis and biomedicine. The product is supplied in several pack sizes, from 5 grams up to 1000 grams.

• Conductive additive in lithium batteries and supercapacitors to improve charge transport, cycle stability and energy density.
• Reinforcement of polymer, ceramic and metal composites for greater mechanical strength, toughness and electrical conductivity.
• Components for field emission displays, field emission transistors, gas-discharge tubes and flat-panel displays.
• Catalyst support for heterogeneous catalysis and electrocatalysis, with carboxyl groups serving as active sites.
• Drug delivery systems, biosensors and diagnostic nanoprobes that benefit from improved biocompatibility and dispersibility.
• Conductive scaffolds and charge transport layers in solar cells, as well as photoluminescence studies.

• Product code: NG01DW0103
• Content of (-COOH): 2.6%
• Color: black
• Length: 48 µm
• Outer Diameter (OD): 2-4 nm
• Inner Diameter (ID): 1-3 nm
• Tap Density: 0.15 g/cm3
• True Density: 2.2 g/cm3
• Ash: 1.5 wt%
• Electrical Conductivity: 98 S/cm
• Manufacturing Method: CVD

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