Fig. 2: Nanocomposite membranes characterization.

a SEM images and EDS elemental mapping of the pristine and nanocomposite membranes. b Cross-sectional and magnified SEM images of the pristine and nanocomposite membranes. c TGA curves of the pristine and nanocomposite membranes. d FTIR spectrum of pristine and nanocomposite membranes.