Fig. 4: Preparation and characterizations of MMMs.
From: Reverse filling approach to mixed matrix covalent organic framework membranes for gas separation
a Schematic illustration of reverse-filling process to fabricate Ori-COF MMMs. b Surface SEM image of Ori-COF15 MMM. c AFM image of the top surface of Ori-COF15 MMM. d Cross-sectional SEM image of Ori-COF15 MMM. e TEM image of ultrathin section of Ori-P0.3COF15 MMM. f HRTEM image and corresponding FFT image of the COF wall in Ori-P0.3COF15 MMM. g EDS elemental mapping of ultrathin section of Ori-P0.3COF15 MMM. h COF loading in the MMMs calculated by TGA results. i DSC curves of pristine 6FDA-DAM membrane and MMMs. j Young’s moduli of pristine 6FDA-DAM membrane and MMMs calculated by stress-strain curves. Error bars represent standard deviations for three measurements.
