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Self-assembly of Homochiral Porous Supramolecular Organic Frameworks with Significant CO2 Capture and CO2/N2 Selectivity
Crystal Growth & Design ( IF 3.8 ) Pub Date : 2017-10-30 00:00:00 , DOI: 10.1021/acs.cgd.7b01282
Yue Zhou 1 , Bing Liu 1 , Xiaodong Sun 1 , Jiantang Li 1 , Guanghua Li 1 , Qisheng Huo 1 , Yunling Liu 1
Affiliation  

A pair of homochiral porous supramolecular organic frameworks (JLU-SOF1-R and JLU-SOF1-S) has been assembled from brand-new enantiopure blocks via hydrogen bonding and π–π interactions. The frameworks not only maintain crystallinity well until 250 °C but also exhibit a steep slope N2 adsorption isotherm at 77 K with moderately high surface areas, indicating that the new materials own robust structure and permanent porosity. JLU-SOF1-R shows excellent adsorption capacity for CO2 and C2H6 at ambient conditions. Remarkably, the material takes up a significant amount of CO2, up to 213 cm3 g–1 at 195 K under 1 bar. Furthermore, JLU-SOF1-R exhibits high selectivity toward CO2 over N2 and CH4 as well as C2H6 over CH4.

中文翻译:

具有明显CO 2捕获和CO 2 / N 2选择性的手性多孔超分子有机骨架的自组装

从全新的对映纯嵌段通过氢键和π-π相互作用组装了一对同手性多孔超分子有机骨架(JLU-SOF1-RJLU-SOF1-S)。该框架不仅在250°C之前保持良好的结晶度,而且在77 K时具有陡峭的N 2吸附等温线,具有中等高的表面积,表明新材料具有坚固的结构和永久的孔隙率。JLU-SOF1-R在环境条件下对CO 2和C 2 H 6表现出优异的吸附能力。值得注意的是,该材料吸收了大量的CO 2,最高达213 cm 3 g –1在195 K下1 bar下。此外,JLU-SOF1-R展品朝向CO高选择性2在N 2和CH 4,以及为C 2 H ^ 6超过CH 4
更新日期:2017-10-31
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