PSF Concentration (wt%)

Average Pore Size (nm)

Area Fraction(%)

11%

14.9

2.7

13%

14.5

1.8

15%

15.2

2.5

17%

12.4

1.4

19%

11.4

1.1

Table 1: Pore size and area fraction of membranes with different PSf concentrations

PVP Concentration (wt%)

Average Pore Size (nm)

Area Fraction (%)

0%

15.2

2.5

3%

13.5

3.2

5%

12.6

1.5

10%

10.6

1.2

Table 2: Pore size and area fraction of membranes with different PVP concentrations