Integration of Open Metal Sites and Lewis Basic Sites for Construction of a Cu MOF with a Rare Chiral <i>O</i>
<sub>h</sub>
-type cage for high performance in methane purification
作者:Lingkun Meng、Ziyuan Niu、Chen Liang、Xinglong Dong、Kang Liu、Guanghua Li、Chunguang Li、Yu Han、Zhan Shi、Shouhua Feng
DOI:10.1002/chem.201800010
日期:2018.9.6
1‐phenylene)bis(hydroperoxymethanide)), with a rare chiral Oh‐type cage, and dual functionalities of open metal sites and Lewis basic sites, based on a designed U‐shaped ligand, was synthesized by hydrothermal methods. It exhibits high CO2, C2, and C3 hydrocarbon storage capacity under atmospheric pressure, as well as high H2 (1.96 wt.%) adsorption capacity at 77 K. Methane purification capacity was tested and verified
铜金属有机骨架(MOF),[Cu 4(PMTD)2(H 2 O)3 ] ⋅20 H 2 O,1(其中PMTD为1,4-亚苯基二(5-甲基-4 H -1) ,2,4-三唑-3,4-二基)双(5-羧基-3,1-亚苯基)双(氢过氧甲烷),具有罕见的手性O h型笼,并且具有开放金属位点和Lewis的双重功能通过水热法合成了基于设计的U型配体的基本位点。它在大气压下显示出高的CO 2,C 2和C 3碳氢化合物存储能力,以及高的H 2。(1.96 wt。%)的77 K吸附容量。逐步测试并验证了甲烷的纯化能力。等容热(Q st)研究表明,在298 K时,CH 4的七个气体之间的范德华主体与客体之间的相互作用最弱。理想吸附溶液理论(IAST)计算表明,化合物1对CO 2,C 2的选择性更高H 6和C 3 H 8在CH 4上的分离能力,以进一步计算其分离能力,例如对CO 2 / CH 4(50:50,5:95),C