fig3

Figure 3. Pore structure characterizations. (A) N₂ adsorption-desorption isotherms of CAC, CAC-4 and CAC-24. (B) Pore size distribution of CAC, CAC-4 and CAC-24 by N₂ adsorption test. (C) CO₂ adsorption-desorption isotherms of CAC, CAC-4 and CAC-24. (D) Pore size distribution of CAC, CAC-4 and CAC-24 by CO₂ adsorption test. (E) Micropore volume ratio of CAC-x. (F) True density and closed pore volume of CAC, CAC-4 and CAC-24. (G) SAXS patterns of CAC, CAC-4 and CAC-24. (H) Fitted SAXS pattern of CAC-24 in the low-q range. (I) Fractal dimensions of CAC-x.