Xu, Hui ; Cai, Jianfeng ; Xiang, Shengchang ; Zhang, Zhangjing ; Wu, Chuande ; Rao, Xiangtang ; Cui, Yuanjing ; Yang, Yu ; Krishna, Rajamani ; Chen, Banglin ; Qian, Guodong (2013) A cationic microporous metal–organic framework for highly selective separation of small hydrocarbons at room temperature Journal of Materials Chemistry A, 1 (34). pp. 9916-9921. ISSN 2050-7488
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Official URL: http://pubs.rsc.org/-/content/articlelanding/2013/...
Related URL: http://dx.doi.org/10.1039/C3TA12086D
Abstract
A new three-dimensional cationic metal–organic framework Zn8O(EDDA)4(ad)4•(HEDDA)2•6DMF•27H2O (ZJU-48; H2EDDA = (E)-4,4′-(ethene-1,2-diyl)dibenzoic acid; ad = adenine) was solvothermally synthesized and structurally characterized. ZJU-48 features a three-dimensional structure with a cationic skeleton and has one-dimensional pores along the c axis of about 9.1 × 9.1 Å2. The activated ZJU-48a exhibits a BET surface area of 1450 m2 g−1. The structural features of the charged skeleton of ZJU-48a have enabled its stronger charge-induced interaction with C2 hydrocarbons than with C1 methane, resulting in highly selective gas sorption of C2 hydrocarbons over CH4 with the adsorption selectivity over 6 at 298 K. The separation feasibility has been further established by the simulated breakthrough and pulse chromatographic experiments, thus methane can be readily separated from their quaternary mixtures at room temperature.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Royal Society of Chemistry. |
| ID Code: | 111806 |
| Deposited On: | 26 Sep 2017 12:52 |
| Last Modified: | 26 Sep 2017 12:52 |
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