Pyrazolate-Based Porphyrinic Metal–Organic Framework with Extraordinary Base-Resistance

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Abstract
Guided by a top-down topological analysis, a MOF constructed by pyrazolate-based porphyrinic ligand, namely PCN-601, has been rationally designed and synthesized, which exhibits excellent stability in alkali solutions. It is, to the best of our knowledge, the first identified MOF that can retain its crystallinity and porosity in saturated sodium hydroxide solution (~20 mol/L) at room temperature and 100 oC. This almost pushes base-resistance of porphyrinic MOFs (even if MOFs) to the limit in aqueous media and greatly extends the range of their potential applications. In this work, we also tried to interpret the stability of PCN-601 from both thermodynamic and kinetic perspectives.
Funding Information
  • Program for New Century Excellent Talents in University (NCET-13-0647)
  • Basic Energy Sciences (DE-SC0001015)
  • National Natural Science Foundation of China (21271015, 21322601, 21576006, U1407119)

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