| From the suppliers | Estimated by TEM/SEM (according to ref. [ 28 ] ) | ||||||
---|---|---|---|---|---|---|---|---|
Sample | Diameter (nm) | Length (μm) | Carbon purity (%) | Bulk density (kg/m 3 ) | Surface area (m 2 /g) | Average diameter (nm) | Average length (μm) | Average aspect ratio |
Nanocyl NC7000 | 9.5 | 1.5 | >90% | 66 [63] | 250–300 | 10.0 | 1.34 | 134 |
Baytubes C150P | 5-20 (average 11 nm [65]) | 1-10 | >95% | 140-160 | Not specified | 10.5 | 0.77 | 73 |
MWCNT-VAST | 10-50 (average diameter 25 nm) | 1-10 | >90% | Not specified | Not specified | 40.1 | 1.93 | 48 |