CNT-100 Family

Purified Carbon Nanotubes

CNT-100 Description

The CNT-100 family contains basic, purified carbon nanotubes featuring at least 90-95% nanotubes by weight. We offer a wide range of structures (single-walled, double-walled, multi-walled) and diameters.

CNT-100 Product List

Product Designation Type Diameter Purity
CNT-101-S1-60 Single-walled (60%) 1-2 nm 90%
CNT-101-S1-90 Single-walled (90%) 1-2 nm 95%
CNT-101-D1 Double-walled (60%) 1-2 nm 90%
CNT-101-M4 Multi-walled <8 nm >95%
CNT-101-M10 Multi-walled 8-15nm >95%
CNT-101-M15 Multi-walled 10-20nm >95%
CNT-101-M25 Multi-walled 20-30nm >95%
CNT-101-M40 Multi-walled 30-50nm >95%
CNT-101-M65 Multi-walled 50-80nm >95%
OH Functionalization
CNT-102-S1-60 Single-walled (60%) 1-2 nm 90%
CNT-102-S1-90 Single-walled (90%) 1-2 nm 95%
CNT-102-D1 Double-walled (60%) 1-2 nm 90%
CNT-102-M4 Multi-walled <8 nm >95%
CNT-102-M10 Multi-walled 8-15nm >95%
CNT-102-M15 Multi-walled 10-20nm >95%
CNT-102-M25 Multi-walled 20-30nm >95%
CNT-102-M40 Multi-walled 30-50nm >95%
CNT-102-M65 Multi-walled 50-80nm >95%
COOH Functionalization
CNT-103-S1-60 Single-walled (60%) 1-2 nm 90%
CNT-103-S1-90 Single-walled (90%) 1-2 nm 95%
CNT-103-D1 Double-walled (60%) 1-2 nm 90%
CNT-103-M4 Multi-walled <8 nm >95%
CNT-103-M10 Multi-walled 8-15nm >95%
CNT-103-M15 Multi-walled 10-20nm >95%
CNT-103-M25 Multi-walled 20-30nm >95%
CNT-103-M40 Multi-walled 30-50nm >95%
CNT-103-M65 Multi-walled 50-80nm >95%

Functionalization

Standard, non-funtionalized carbon nanotubes are insoluble in many liquids such as water, polymer resins and most solvents. This is a severe limitation of the amazing structural, electrical, optical and biological properites of carbon nanotubes; fortunately, functionaliztion offers a solution.


CNT-102 family carbon nanotubes feature hydroxyl (OH) molecules which attach to the nanotube sidewalls. CNT-103 family carbon nanotubes feature primarily carboxyl (COOH) and a small amount of hydroxl (OH) molecules which attach to the nanotube sidewalls. These molecules increase solubility by allowing for stronger covalent bonds (as opposed to the much weaker inter-molecular van der Waals forces). Functionalization does not significantly affect the desirable nanotube properties.


All CNT-102 products contain between 1-7% hydroxl by weight; these OH molecules occupy 21-26% of the total surface area.

 

All CNT-103 products contain between 1-6% carboxyl by weight; these COOH molecules occupy 8-10% of the total surface area.

How to Read the Product List:

All product designations follow a similar pattern: 'S' for single-walled, 'D' for double walled, 'M' for multi-walled. The numbers represent the average diameter; e.g. the M10 is composed of multi-walled carbon nanotubes with an average diameter of roughly 10 nanometers.


Type refers to the structural configuration of the nanotubes, whether single, double or multi-walled. For single and double-walled nanotubes, the number in parentheses represents the percentage of nanotubes which conform to that structural specification. E.g. "Single-walled (90%)" indicates that 90% of the nanotubes are single-walled. (The other 10% are multi-walled.)


Purity refers to the percentage (by weight) of carbon nanotubes relative to amorphous carbon, other carbon nanoparticles, and trace amounts of the catalysts which help create the nanotubes.

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