Fig. 2: Separation performance of COF membranes.
From: Recovery of homogeneous photocatalysts by covalent organic framework membranes

a Three-dimensional sizes of the crystal structures of [Ir-1]PF6, [Ir-2]PF6, [Ir-3]PF6, [Ru](PF6)2, NaDT, and (R)-TRIP catalysts. b Separation performance of the customizable COF membranes for the recovery of specific photocatalysts. Error bars represent standard deviations for 3 measurements.