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COOH functionalized single-walled carbon nanotubes (SWCNT-COOH) are oxidised single-walled carbon nanotubes bearing carboxylic acid groups on the surface of the nanotubes. SWCNT-COOHs possess the same excellent mechanical, electrical, optical, and thermal properties as pristine SWCNTs. The carboxylic acid groups improve the dispersion of SWCNT-COOHs in solutions and polymer resins, due to the potential formation of hydrogen bonds and chemical crosslinking. SWCNT-COOHs are also used to disperse gold nanoparticles (AuNPs) in combination with a CuMOF (HKUST-1) for sensing and monitoring imatinib in human blood serum. This CuMOF-COOH-SWCNT@AuNPs electrochemical sensor exhibits a linear response in a wide range of 0.05 – 20.0 μM.
COOH functionalized single-walled carbon nanotubes are applied as a conductive additive for boron-silicon (B-Si) alloy anode in lithium batteries. SWCNT-COOHs stabilize the B-Si colloids in NMP, maintaining the homogeneity of the anode. The SWCNT-COOH-dispersed B-Si anode demonstrates stable lithiation-delithiation cycles, showing more than 80% capacity retention with minimal impedance gains after 1000 cycles.
General Information
| CAS Number | 308068-56-6 |
|---|---|
| Chemical Formula | CxHyOz |
| Full Name | Carboxylated single-walled carbon nanotubes |
| Recommended Dispersants | DI water, DMF, THF, ethanol, and acetone |
| Synonyms | COOH single-walled carbon nanotubes, Carboxylic single-walled carbon nanotubes, COOH SWCNTs, SWCNT-COOH, COOH single-walled CNTs |
| Classification or Family | 1D materials, Carbon nanomaterials, Nanomaterials, Polycyclic aromatic hydrocarbons, thin-film electronics |
| Appearance | Black fibrous powder |
| Product Code | M2014L2 | M2395C1 |
|---|---|---|
| Diameter (nm) | < 2 | 1 – 2 |
| Length (μm) | 5 – 25 | 1 – 3 |
| COOH Content (wt%) | 2.7 | 2.7 |
| Specific surface Area (m2/g) | 370 | 370 |
| Purity (%) | > 92% | > 92% |
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