Fig. 4: Performance data for agZIF-62 free-standing membrane.
From: Unlocking large-area free-standing MOF-glasses for molecular sieving gas separation membranes

a Photograph of the transparent and colourless glass membrane fixed in the measurement cell. b Single-gas permeability data and corresponding kinetic diameter of the gases. c Gas permeability for binary gas mixtures of the target molecules. d Corresponding real selectivity.