Selective Sorption of Light Hydrocarbons on a Family of Metal–Organic Frameworks with Different Imidazolate Pillars
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- 作者：Hong-Ru Fu ; Jian Zhang
- 刊名：Inorganic Chemistry
- 出版年：2016
- 出版时间：April 18, 2016
- 年：2016
- 卷：55
- 期：8
- 页码：3928-3932
- 全文大小：473K
- 年卷期：0
- ISSN：1520-510X
文摘
Four isostructural pillared-layer metal–organic frameworks (as 1-ims series) are successfully synthesized via the charge-balance approach, where trigonal [Zn2(CO2)3] cluster-based cationic layers [Zn2(NH2–BTB)]+ (NH2–H3BTB = 1,3,5-(3-benzoic acid) aniline) are connected by a series of 2-substituted imidazolates. The 1-ims supply a systematic platform to explore the adsorption of light hydrocarbons. Especially, 1-ims shows good adsorption selectivity of C3/C1 and C2/C1, and the selectivities of C3H8/CH4 are all over 100 at room temperature. These results demonstrate that introduction of functional group plays a key role on tuning the channel and pore size as well as improving the adsorption selectivity.