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Isoreticular Expansion of Metal-Organic Frameworks via Pillaring of Metal Templated Tunable Building Layers: Hydrogen Storage and Selective CO2 Capture.
Chemistry - A European Journal ( IF 3.9 ) Pub Date : 2019-10-21 , DOI: 10.1002/chem.201902491
Kartik Maity 1 , Karabi Nath 1 , Michael A Sinnwell 2 , Radha Kishan Motkuri 3 , Praveen K Thallapally 2 , Kumar Biradha 1
Affiliation  

The deliberate construction of isoreticular eea-metal-organic frameworks (MOFs) (Cu-eea-1, Cu-eea-2 and Cu-eea-3) and rtl-MOFs (Co-rtl-1 and Co-rtl-2) has been accomplished based on the ligand-to-axial pillaring of supermolecular building layers. The use of different metal ions resulted in two types of supermolecular building layers (SBLs): Kagome (kgm) and square lattices (sql) which further interconnect to form anticipated 3D-MOFs. The isoreticular expansion of (3,6)-connected Cu-MOFs has been achieved with desired eea-topology based on kgm building layers. In addition, two (3,6)-connected Co-rtl-MOFs were also successfully constructed based on sql building layers. The Cu-eea-MOFs were shown to act as hydrogen storage materials with appreciable amount of hydrogen uptake abilities. Moreover Cu-eea-MOFs have also exhibited remarkable CO2 capture ability at ambient condition compared to nitrogen and methane, due to the presence of amide functionalities.

中文翻译:

通过金属模板可调节建筑层的立柱金属-有机骨架的等规膨胀:氢存储和选择性CO2捕集。

刻意构造等孔金属-有机-有机骨架(MOF)(Cu-eea-1,Cu-eea-2和Cu-eea-3)和rtl-MOF(Co-rtl-1和Co-rtl-2)基于超分子建筑层的配体-轴向柱撑已经完成。使用不同的金属离子会产生两种类型的超分子建筑层(SBL):Kagome(kgm)和方形晶格(sql),它们进一步相互连接以形成预期的3D-MOF。(3,6)连接的Cu-MOF的等网状膨胀已经基于kgm建筑层以所需的拓扑结构实现了。此外,还基于sql构建层成功构建了两个(3,6)连接的Co-rtl-MOF。Cu-eea-MOFs被证明可以作为储氢材料,具有相当数量的氢吸收能力。
更新日期:2019-10-21
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