Figure 2.ai

Fig. 2. Ten representative MOF PE MMMs. a, b Photographs of NH₂ -UiO-66 PE MMM-86% with an area of 15 cm × 13 cm. c, d Top view SEM images of NH₂ -UiO-66 PE MMM-86% (scale bar, 20 μm for c and 400 nm for d). e, f Cross-section SEM image of the NH₂ -UiO-66 PE MMM-86% and corresponding spatial distribution of C, N, O, and Zr (scale bar, 10 μm). g Chemical structures of MOF crystals and SEM images and photographs of the corresponding PE MMMs with 86 wt% MOF loading (scale bar, 1 μm)