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Coordination‐Driven In Situ Self‐Assembly Strategy for the Preparation of Metal–Organic Framework Hybrid Membranes
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2014-07-22 , DOI: 10.1002/anie.201403978
Rong Zhang , Shulan Ji , Naixin Wang , Lin Wang , Guojun Zhang , Jian-Rong Li

Metal–organic frameworks (MOFs) have emerged as porous solids of a superior type for the fabrication of membranes. However, it is still challenging to prepare a uniformly dispersed robust MOF hybrid membrane. Herein, we propose a simple and powerful strategy, namely, coordination‐driven in situ self‐assembly, for the fabrication of MOF hybrid membranes. On the basis of the coordination interactions between metal ions and ligands and/or the functional groups of the organic polymer, this method was confirmed to be feasible for the production of a stable membrane with greatly improved MOF‐particle dispersion in and compatibility with the polymer, thus providing outstanding separation ability. As an experimental proof of concept, a high‐quality ZIF‐8/PSS membrane was fabricated that showed excellent performance in the nanofiltration and separation of dyes from water.

中文翻译:

协调驱动的原位自组装策略制备金属-有机骨架杂化膜

金属有机骨架(MOF)已作为一种优异的多孔固体出现,用于制造膜。然而,制备均匀分散的坚固的MOF杂化膜仍然具有挑战性。在此,我们提出了一种简单而有效的策略,即由协调驱动的原位自组装技术来制造MOF杂化膜。基于金属离子与配体和/或有机聚合物的官能团之间的配位相互作用,该方法被证实可用于生产稳定的膜,并大大改善了MOF颗粒在聚合物中的分散性并与聚合物相容,从而提供出色的分离能力。作为概念的实验证明,
更新日期:2014-07-22
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