3 years ago

Highly Selective Carbon Dioxide Capture and Cooperative Catalysis of a Water-Stable Acylamide-Functionalized Metal-Organic Framework

Zhaoxu Wang, baishu zheng, Cheng Hang, Yinchun Jiao, Lu Huang, Wenjiang Zeng, Ruirui Yun, Xiyang Cao, Xin Luo
Incorporation of specific functionalities within the framework offers a significant opportunity to produce high-performance gas storage/separation and catalysis MOF materials. In this work, multi-functionalities including hydrophobic methoxy, polar linking acylamide and open copper(II) sites have been successfully integrated into a 2-fold interpenetrated microporous MOF (HNUST-6, HNUST represents Hunan University of Science and Technology). HNUST-6 possesses permanent porosity with moderate BET surface area of 1093 m2*g-1, high CO2 adsorption capacity (111 cm3*g-1 at 1 bar) with good selectivity for CO2 over CH4 (6.6) and N2 (30.3) at 273 K. Remarkably, this MOF material exhibits excellent water stability and its framework structure can be retained after being immersed in boiling water. In addition, HNUST-6 demonstrates efficiently catalytic activity in a tandem one-pot deacetalization-Knoevenagel condensation reaction as a cooperative catalyst.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/ejic.201701404

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