fig8

Figure 8. (A) Gas adsorption isotherms of N₂ (top) and CO₂ (bottom) for OCF-2 (purple line), OCF-3 (yellow line), and OCF-4 (red line)^[39]. Copyright 2012, Royal Society of Chemistry; (B) Uptake selectivity of CO₂ over N₂ of OCF-8 (red line), OCF-9 (blue line), and OCF-10 (black line)^[42]. Copyright 2015, American Chemical Society; (C) Gas adsorption isotherms of CO₂ for OCF-16 at 273 and 298 K^[50]. Copyright 2020, American Chemical Society. OCF: Organic cage-based framework.