| Physical properties of CNTs | ||
|
| CNTs used in the study | Gdoutos et al. [18] |
| Diameter | 2 - 10 nm | 20 - 40 nm |
| Length | 10 - 30 μm | ≥10 um |
| Color | Black powder | |
| Surface specific area | >500 m2/g | >200 m2/g |