Fig. 4From: Molecular sieving through 'layer-by-layer' self-assembly of polyelectrolytes and highly crosslinked graphene oxideMicrographs showing the surface (a, b for 50/50 blend, e, f for 60/40 blend and i, j for 70/30 blend) and cross-sectional (c, d for 50/50 blend, g, h for 60/40 blend and k, l for 70/30 blend) images of the membranes obtained from PVDF/PMMA blendsBack to article page