这些修饰增强了分子扩散 32 并暴露出不饱和金属位点(如路易斯酸性 Zr 4+ ), 33 协同提升了吸附容量和反应动力学。综上所述,这些发现表明,此类工程化缺陷不仅解决了尺寸排阻限制,还引入了反应位点,使缺陷型 MOFs 成为先进分子分离的多功能平台。
S. Zhuang and J. Wang , Adsorptive removal of pharmaceutical pollutants by defective metal organic framework UiO-66: Insight into the contribution of defects, Chemosphere, 2021, 281 , 130997 33.X. Feng , H. S. Jena , C. Krishnaraj , K. Leus , G. Wang , H. Chen , C. Jia and P. Van Der Voort , Generating Catalytic Sites in UiO-66 through Defect Engineering, ACS Appl. Mater. Interfaces, 2021, 13 , 60715 —60735