Nano-Porous Graphene as Free-Standing Membranes
57
Table 1
(continued)
References L
x
× L
y
L
z1 /L
z2
Pressure
Pore diameter Water
diameter
Ion ddiameter Number of
water
molecules
Salt molarity Functional
groups
[105]
29.8 Å
× 29.5 Å
30 Å/30 Å 10–200 MPa
3.2 Å
4.6 Å
5.2 Å
5.6 Å
6.6 Å
8.2 Å
5–6.5 Å
6.4 Å (Na +
)
7.7 Å (Cl +
)
–
0.5 M (NaCl) H, OH
[107]
30 Å
× 30 Å
–
100 MPa
15 Å
4.7 Å
4.14 Å (Na +
)
3.9 Å (Cl +
)
978 water
molecules
0.6, 1.2, 1.8 M
(NaCl)
Methyl,
Ethyl, H, F
[108]
34.09 Å
× 34.44 Å –
50–530 MPa
7.5 Å
8.9 Å
–
9.09 (Na +
)
9.94 (Cl −
)
–
0.6 M NaCl
H, NH
3 , N,
NOH, NH