Fig. 6: Separation performances for binary mixtures of monovalent cations through COF membranes.
From: Covalent organic framework membranes for efficient separation of monovalent cations
a Separation performances of TpPa–PO3H2, TpPa–SO3H, and TpPa–CO2H membranes for binary mixture of monovalent cations. b Separation performances of TpPa–SO3H membranes toward binary mixtures of monovalent cations under different pH. c Separation performances of TpPa–SO3H membranes toward binary mixtures of monovalent cations under different operation temperatures. d Comparison among COF membranes in this study and other representative membranes in literature toward separating binary mixtures of monovalent cations under concentration-driven configuration. e Calculated potential mean force (PMF) along the channels, and probability distribution of various anions and water molecules in TpPa–SO3H channels. All the error bars in this figure represent the standard deviation of the experiments. Source data are provided as a Source Data file.
