fig4

Figure 4. (A) Equimolar binary gas mixture separation performance of the N-COF Membrane; (B) Equimolar binary gas mixture separation performance of the COF-300 membrane; (C) Long-term test Results for the N-COF membrane using an equimolar H₂/CO₂ mixture at room temperature; (D) Long-term test results for the COF-300 membrane using an equimolar H₂/CO₂ mixture at room temperature; (E) Selectivity and permeance of the N-COF membrane as functions of temperature; (F) Selectivity and permeance of the COF-300 membrane as functions of temperature; (G) Schematic diagram of COF membrane structure for gas separation. Reproduced with Permission from ref^[134], Copyright 2023, Wiley-VCH. COF: Covalent organic framework.