Table 1
Characterization of the NPs.
| Nanoparticle | Nano graphene | Modified nano clay |
|---|---|---|
| Size (nm) | 20–30 | 50–70 |
| Density (g/cm3) | 0.35 | 1.77 |
| Crystallinity (%) (XRD) | 53 | 47 |
| Color | Black | Off white |
| Purity (%) | 98 | Unknown |
| Supplier | United Nanotech Innovation | BYK (a member of ALTANA) |