Purified Carboxylic Single-walled carbon nanotubes, OD 1-2 nm, length 5-30um, purity >90%Product Type: Single-walled carbon nanotube material
Research-grade laboratory product
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LABORATORY PROCUREMENT SUPPORT
For model selection, material specification matching, application fit or quotation confirmation, contact our technical sales team.
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Supplier: Atomfair
Brand: ATOMFAIR®
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
How does the carboxylic functionalization of these single-walled carbon nanotubes affect their electrical performance relative to pristine SWCNTs?
Carboxylic functionalization introduces covalent defects that can reduce intrinsic electrical conductivity compared to pristine SWCNTs, but it significantly improves dispersibility in polar solvents and polymer matrices, enabling uniform film formation for electrode and composite applications. The source specifies >90% purity and a 1–2 nm diameter, indicating that the material retains a high aspect ratio and moderate conductivity despite the functional groups. For applications requiring maximum conductivity, pristine or graphitized grades may be preferred, as noted in the product's selection notes.
What solvents and polymer systems are compatible with these carboxylic single-walled carbon nanotubes for dispersion preparation?
These carboxylic SWCNTs are designed for dispersion in polar solvents such as water, ethanol, and DMF due to the carboxyl groups, which enhance surface charge and colloidal stability. The product description indicates suitability for composite, film, electrode, and conductivity workflows, and advises matching dimensional and concentration specifications to the intended dispersion method. The exact compatibility with a specific solvent or polymer should be confirmed through trial dispersions, as the source recommends contacting the technical sales team for application fit.
What laboratory safety precautions are required when handling these carboxylic single-walled carbon nanotubes as a dry powder?
As a research-grade nanocarbon powder with a 1–2 nm diameter and 5–30 µm length, these SWCNTs should be handled in a fume hood or glovebox to prevent inhalation of fine particles. The product is classified as a research-grade material, and the manufacturer advises confirming application requirements and package size before quotation. For detailed safety data and handling protocols, users should contact the technical sales team at Atomfair LLC.
This purified carboxylic single-walled carbon nanotube material (OD 1-2 nm, length 5-30 µm, purity >90%) is evaluated for research applications requiring functionalized nanocarbon with defined geometry and surface chemistry, where the carboxyl groups enable further covalent functionalization or improved dispersion in polar media.
Positive
- Carboxyl functionalization for dispersion: The carboxylic acid groups on the nanotube surface improve dispersibility in polar solvents and enable covalent attachment to polymers, biomolecules, or other nanomaterials, facilitating composite and electrode fabrication.
- Defined geometry for application matching: Outer diameter of 1-2 nm and length of 5-30 µm provide a specific aspect ratio range suitable for percolation networks in conductive films or as reinforcement in nanocomposites, with >90% purity reducing amorphous carbon interference.
Trade-offs
- Length polydispersity requires characterization: The 5-30 µm length range indicates significant polydispersity; researchers must perform additional characterization (e.g., TEM, SEM) to confirm length distribution for applications sensitive to nanotube aspect ratio.
- Carboxyl content not specified: The degree of carboxyl functionalization is not quantified; batch-to-batch variability in functional group density may affect reproducibility in surface chemistry-dependent workflows such as sensor or catalyst support preparation.
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