Comparison of the price of CVD and electric arc discharge synthesis of CNTs.
| Carbon nanomaterials | Diameter or size (nm) | Method | Assay | Price | Source |
|---|---|---|---|---|---|
| SWCNTs | 0.7–1.1 | CVD | >77% | $1600 per g | https://www.sigmaaldrich.com (July 2021) |
| 0.7–0.9 | >93% | $1500 per g | |||
| — | >95% | $1650 per g | |||
| 4.0–5.0 | Electric arc discharge | >90% | $2720 per g | ||
| 4.0–5.0 | >80% | $690 per mg | |||
| MWCNTs | 110–170 | CVD | >90% | $80 per g | |
| 6–13 | >98% | $100 per g | |||
| 7–15 | Electric arc discharge | >20% | $920 per g |