A pyridyl-decorated MOF-505 analogue exhibiting hierarchical porosity, selective CO2 capture and catalytic capacity

作者：Dang Qin Qin; Zhan Yu Fen; Duan Li Na; Zhang Xian Ming^*

来源：Dalton Transactions, 2015, 44(46): 20027-20031.

DOI：10.1039/c5dt01943e

An expanded pyridyl-decorated MOF-505 analogue[Cu-2(L)(H2O)(2)]center dot G(x) (H4L = 5,5'-(pyridine-2,5-diyl)-diisophthalic acid, G = solvent molecule) has been solvothermally synthesized and reported. It exhibited rare hierarchical meso- and microporosity. With exposed unsaturated Cu-II sites and Lewis basic pyridyl sites, the material shows both large CO2-uptake capacity (123.4 cm(3) g(-1) at 273 K, 1 bar) and high selectivity for CO2 over N-2 (55.7) at 273 K. Furthermore, for the first time the compound has been exploited for its heterogeneous catalytic performance toward the cyanosilylation reaction under solvent-free conditions. The compound can be recycled up to five times with only a minor loss of activity.

• 出版日期2015
• 单位山西师范大学