Influence of Co-adsorbates on CO2 induced phase transition in functionalized pillared-layered metal–organic frameworks
Influence of Co-adsorbates on CO2 induced phase transition in functionalized pillared-layered metal–organic frameworks
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DOI：
10.1039/c6ta03266d
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发表时间：
2016-08
影响因子：
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通讯作者：
A. Schneemann;Yukiko Takahashi;Robin Rudolf;S. Noro;R. Fischer
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文献类型：
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作者：
A. Schneemann;Yukiko Takahashi;Robin Rudolf;S. Noro;R. Fischer
大多数关于柔性MOF的研究表明该骨架具有良好的分离性能，这些研究完全基于单组分等温线和由此得出的结论。然而，许多因素没有被考虑，特别是骨架打开后孔空间的变化可以对实际分离问题中存在的第二种气体的吸附产生明显的影响，该问题不会导致材料的相变。在本研究中，我们重点研究了一系列含有柔性侧链的柔性柱撑层状分子筛[Zn2(fu-bdc)2(Dabco)]n，并分析了材料在CO2与其他吸附剂(包括N_2、CH_4、C_2H_6和C_3H_8)混合时的气体吸附行为，以评估在这些条件下共吸附对吸附选择性和相变的影响。
Most studies on flexible MOFs which suggest good separation properties of the framework are solely based on single component isotherms and conclusions drawn from these. However, many factors are not considered, particularly the change of the pore space after the opening of the framework can have a distinct effect on the adsorption of a second gas present in a real separation problem that does not induce the phase transition of the material. Within this study, we focus on a series of flexible pillared-layered MOFs of the type [Zn2(fu-bdc)2(dabco)]n bearing flexible side chains and analyze the gas adsorption behavior when the material is exposed to mixtures of CO2 with other adsorptives, including N2, CH4, C2H6 and C3H8, to evaluate the influence of the co-adsorbate on the sorption selectivity and phase transition under these conditions.