Selective metal cation capture by soft anionic metal-organic frameworks via drastic single-crystal-to-single-crystal transformations.
Selective metal cation capture by soft anionic metal-organic frameworks via drastic single-crystal-to-single-crystal transformations.
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DOI：
10.1021/ja303092m
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发表时间：
2012-05
影响因子：
15
通讯作者：
Jian Tian;L. Saraf;B. Schwenzer;Stephanie M. Taylor;E. Brechin;Jun Liu;S. Dalgarno;P. Thallapally-P.-Thallapal
中科院分区：
文献类型：
--
作者：
Jian Tian;L. Saraf;B. Schwenzer;Stephanie M. Taylor;E. Brechin;Jun Liu;S. Dalgarno;P. Thallapally-P.-Thallapal
柔性阴离子金属有机骨架（mof）通过阳离子插入引起的单晶到单晶过程转化为中性杂双金属体系。这些转变是由协同键断裂和形成引导的，由于有机连接剂的柔性性质，导致3D框架的膨胀或收缩高达33%。这些MOFs对二价过渡金属阳离子（如Co（2+）和Ni(2+)）的选择性高于碱金属阳离子（Li（+）和Na(+)）。
Flexible anionic metal-organic frameworks (MOFs) are transformed into neutral heterobimetallic systems via single-crystal-to-single-crystal processes invoked by cation insertion. These transformations are directed by cooperative bond breakage and formation, resulting in expansion or contraction of the 3D framework by up to 33% due to the flexible nature of the organic linker. These MOFs displays highly selective uptake of divalent transition-metal cations (e.g., Co(2+) and Ni(2+)) over alkali-metal cations (Li(+) and Na(+)).