Fig. 2: Characterization of pore structure evolution upon hydration.
From: Selective ion transport through hydrated micropores in polymer membranes
a, Small-angle and wide-angle X-ray scattering spectra of cPIM membranes. Symbols and lines represent small-angle and wide-angle X-ray scattering spectra, respectively. b, Pore size distribution in the dry and hydrated states derived from the simulated polymer models. c, 1H NMR spectra of water confined in membrane micropores. d, \({{T}}_{2}^{\ast }\) calculated from the full-width at half-maximum of water peaks in c. e, Degree of percolation calculated from hydrated polymer cells. f, Dynamic pore gate size of hydrated polymers. Error bars of the degree of percolation (e) and dynamic pore gate size (y axis in f) represent the standard deviation of five independent simulated polymer cells, and error bars of electrolyte update (x axis in f) represent the standard deviation of three or four independent samples. Electrolyte uptake was measured in 1 M aqueous KCl solution at 25 °C.
