fig9
![Organic cage-based frameworks: from synthesis to applications](https://image.oaes.cc/74e79632-7081-4c1b-98a9-2b93b3d8c8af/cs4001.fig.9.jpg)
Figure 9. (A) Uptake selectivity of CO2 over N2, and pure CO2, N2, and CH4 permeances of OCF-12/mPSf and OCF-13/mPSf; (B) Schematic illustration of the CO2, N2, and CH4 transport behaviors of OCF-13/mPSf with gas transport channels. (A and B) were reproduced with permission[44]. Copyright 2023, Royal Society of Chemistry. OCF: Organic cage-based framework; mPSf: modified polysulfone.