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Keywords:

  • cation exchange;
  • ligand field parameters;
  • metal–organic frameworks;
  • polarity index;
  • solvation energy

Abstract

We investigated which factors govern the critical steps of cation exchange in metal–organic frameworks by studying the effect of various solvents on the insertion of Ni2+ into MOF-5 and Co2+ into MFU-4l. After plotting the extent of cation insertion versus different solvent parameters, trends emerge that offer insight into the exchange processes for both systems. This approach establishes a method for understanding critical aspects of cation exchange in different MOFs and other materials.