Table 1 The geometrical and physical properties of bubbles filled with three investigated substances with corresponding bulk cases shown for comparison.
From: Dependence of the shape of graphene nanobubbles on trapped substance
Trapped substance | R (nm) | h max (nm) | hmax/R | P vdW (GPa) bubble | ρ (g cm −3 ) bubble | ρ (g cm −3 ) bulk | ρ (g cm −3 ) bulk, P =1 atm |
|---|---|---|---|---|---|---|---|
Helium | 4.5 | 0.83 | 0.18 | 0.65 | 0.225 | 0.283 (P=0.65 GPa) | 0.004 |
Water | 4.6 | 0.90 | 0.20 | 0.93 | 1.103 | 1.191 (P=0.93 GPa) | 1.044 |
Ethanol | 5.4 | 0.78 | 0.14 | 0.49 | 0.987 | 1.051 (P=0.49 GPa) | 0.862 |
