Fig. 6
From: Retrosynthesis of multi-component metal−organic frameworks

Gas sorption measurements for PCN-224(Ni) and its derivatives. a N2 adsorption isotherms of PCN-224(Ni) and its derivatives at 77 K. b Pore size distributions of PCN-224(Ni) and its derivatives calculated from N2 adsorption isotherms. c N2 adsorption isotherms of PCN-202(Ni)-Zr upon treatments in pH = 1, 7, and 12 aqueous solutions