Table 1 Comparison of the physical characteristics of the carbon nanoparticles
From: Comparison of anti-angiogenic properties of pristine carbon nanoparticles
GNS | NG | ND | C60 | MWNT | |
---|---|---|---|---|---|
Shape | Nanosheet | Spherical nanoparticle | Spherical nanoparticle | Spherical nanoparticle | Multi-wall tube |
Size | 6 to 8 nm/15 μm | 3 to 4 nm | 3 to 4 nm | Approximately 50 nm (aggregates) | 8 nm/5 to 20 μm |
Atom configuration | sp 2 | sp 2 | sp 3 | sp 2 | sp 2 |
Purity | >99.5% | >93% | >95% | >99.5% | >95% |
Zeta potential (mV) | −3.83 | 28.7 | −39.3 | −38.0 | −14.8 |
Specific surface area | 120 to 150 m2/g | 540 to 650 m2/g | Approximately 282 m2/g | 0.07 to 0.17 m2/ga | >500 m2/g |
Production | Exfoliated | Explosion | Explosion | Arc discharge | Catalytic CVD |