Pyrazolate-Based Porphyrinic Metal-Organic Framework with Extraordinary Base-Resistance.
Pyrazolate-Based Porphyrinic Metal-Organic Framework with Extraordinary Base-Resistance.
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DOI：
10.1021/jacs.5b10881
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发表时间：
2016-01
影响因子：
15
通讯作者：
Kecheng Wang;Xiu‐Liang Lv;Dawei Feng;Jian Li;Shuangming Chen;Junliang Sun;L. Song;Yabo Xie
中科院分区：
文献类型：
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作者：
Kecheng Wang;Xiu‐Liang Lv;Dawei Feng;Jian Li;Shuangming Chen;Junliang Sun;L. Song;Yabo Xie
采用自顶向下的拓扑分析方法，合理设计合成了一种由吡唑基卟啉配体PCN-601构成的金属有机骨架（MOF），并在碱性溶液中表现出良好的稳定性.据我们所知，这是第一个确定的MOF，可以在室温和100 °C下在饱和氢氧化钠溶液（1020 mol/L）中保持其结晶度和孔隙率。这几乎将卟啉MOFs（即使MOFs）在水介质中的耐碱性推到了极限，大大扩展了其潜在的应用范围。在这项工作中，我们还试图解释PCN-601的稳定性从热力学和动力学的角度。
Guided by a top-down topological analysis, a metal-organic framework (MOF) constructed by pyrazolate-based porphyrinic ligand, namely, PCN-601, has been rationally designed and synthesized, and it 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 °C. 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.