Fig. 3: Morphology of polyamide nanofilms.
From: Ultraselective Macrocycle Membranes for Pharmaceutical Ingredients Separation in Organic Solvents
a Photograph, (b) surface, and (c) cross-sectional SEM images of freestanding nanofilms fabricated from 18C6 on an aluminum oxide porous support. d AFM image and (e) height profile of freestanding nanofilms prepared with 18C6 on a silicon wafer. f Root mean square (RMS) roughness (Sq), thickness, and water contact angle of freestanding nanofilms and TFC membranes made from different aqueous phase monomers.
