Sample
Top/bottom layer seed sizes (nm)
Membrane thickness (μm)
N2 permeance (mol m-2s-1Pa-1)
SF6 Permeance (mol m-2s-1Pa-1)
N2/SF6 Ideal Selectivity
M4 300-1500 ⁓ 4 4.70×10-6 8.83×10-8 53.2
M5 60-1500 ⁓ 6 3.20×10-6 2.82×10-8 100.5
M6 300-300 ⁓ 5 1.40×10-6 1.92×10-8 72.8
M7 60-300 ⁓ 6 8.20×10-7 5.01×10-9 163.8