(a)
(b)
(c)
(d)
(e)
(f)
Figure 5: EDX spectra and electron images of prepared membranes with (a) PC-Sil, (b) 1.0:0.5, (c) 1.0:1.0, (d) 1.0:1.5, (e) 1.0:2.0, and (f) 1.0:2.5.