Fig. 6: Effect of COF-TpPa/PAN permselectivity under various ionic conditions. | Nature Communications

Fig. 6: Effect of COF-TpPa/PAN permselectivity under various ionic conditions.

From: Giant gateable thermoelectric conversion by tuning the ion linkage interactions in covalent organic framework membranes

Fig. 6

a Graph depicting the mobility ratio of cations and anions through the COF-TpPa/PAN membrane, as calculated by the GHK equation. b I − V characteristics observed under a KCl concentration gradient (3 M | | 0.3 M). c Schematic representation illustrating the regulation of the membrane’s surface charge by selective ion adsorption, including polarity and intensity. d Plots showing the electricity delivered to an external circuit with a load resistance under a KCl concentration of 3 M.

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