A Water and Thermally Stable Metal鈥揙rganic Framework Featuring Selective CO2 Adsorption
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- 作者：Yameng Li ; Zhanfeng Ju ; Benlai Wu ; Daqiang Yuan
- 刊名：Crystal Growth & Design
- 出版年：2013
- 出版时间：September 4, 2013
- 年：2013
- 卷：13
- 期：9
- 页码：4125-4130
- 全文大小：489K
- 年卷期：v.13,no.9(September 4, 2013)
- ISSN：1528-7505
文摘
A 2-fold interpenetrated microporous MOF [Ni2(C2O4)(L)2]n路6nH2O (HL = 4,2鈥?4鈥?2鈥?terpyridine-4鈥?carboxylic acid) (1) was synthesized and structurally characterized. 1 has obvious 1D channels along the crystallographic a and c axes with a pore size of 5.7 to 6.9 脜. Topological analysis shows that the framework of 1 can be interpreted as a (3,4)-connected net with point symbol (63)(65路8). 1 exhibits high water and thermal stability, which is demonstrated by TGA, PXRD, and VT-PXRD. Additionally, the high temperature structure of 1鈥?(433 K) undoubtedly demonstrates the stability of the framework. More importantly, 1 shows high selectivities for CO2 over N2, H2, and CH4 at low pressure and 273 K.