Enhancing the stability and porosity of penetrated metal-organic frameworks through the insertion of coordination sites.
Enhancing the stability and porosity of penetrated metal-organic frameworks through the insertion of coordination sites.
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通过插入配位点增强渗透金属有机框架的稳定性和孔隙率
DOI：
10.1039/c7sc04192f
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发表时间：
2018-01-28
期刊：
影响因子：
8.4
通讯作者：
Bu XH
中科院分区：
文献类型：
--
作者：
Feng R;Jia YY;Li ZY;Chang Z;Bu XH
通过在配体中插入配位点，得到了互穿金属有机骨架NKU-112和自穿骨架NKU-113。NKU-113的增强的稳定性和孔隙率证明了该方法用于渗透的MOF的结构和性能调节的有效性。在配体中插入配位点的引导下，得到了互穿金属-有机骨架NKU-112和自穿骨架NKU-113。这两种MOFs具有相似的笼型骨架结构，而NKU-113显示出比NKU-112更高的孔隙率和稳定性，这是由于配体中额外的螯合联吡啶部分诱导的自穿透结构。据我们所知，这是第一次尝试将MOF的结构拓扑从互穿转变为自穿，同时通过插入新的配位位点来实现穿透结构内的位置和距离的微妙调制的研究。
Guided by the insertion of coordination sites within ligands, an interpenetrated metal–organic framework (MOFs) NKU-112 and a self-penetrated framework NKU-113 were obtained. The enhanced stability and porosity of NKU-113 prove the efficiency of the method for the structure and properties modulation of penetrated MOFs. Guided by the insertion of coordination sites within ligands, an interpenetrated metal–organic framework NKU-112 and a self-penetrated framework NKU-113 were obtained. The two MOFs have similar cage-based framework structures, while NKU-113 reveals enhanced porosity and stability compared with NKU-112, owing to the self-penetrated structure induced by the additional chelating bipyridine moiety in the ligand. To the best of our knowledge, this is the first study that attempts to shift the structure topology of a MOF from interpenetrated to self-penetrated while achieving a delicate modulation of the location and distances within the penetrated structure by inserting new coordination sites.
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