期刊
CRYSTAL GROWTH & DESIGN
卷 13, 期 4, 页码 1382-1385出版社
AMER CHEMICAL SOC
DOI: 10.1021/cg400096e
关键词
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资金
- Major State Basic Research Development Programs [2011CB808704]
- NSFC [20931004]
- Fundamental Research Funds for the Central Universities [1114020501]
- Science Foundation of Innovative Research Team of NSFC [2101062]
- Postdoctoral Research Funding of Jiangsu Province [1102023C]
- Junfeng Bai group
On the basis of a new topology, a novel yttrium metal organic framework [Y-2(TPBTM)(H2O)2]center dot xG (TPBTM = N,N',N ''-tris(isophthalyl)-1,3,5-benzenetricarboxamide and G = guest molecule) (NJU-Bail 1) has been synthesized and structurally characterized. NJU-Bail 1 crystallizes in a chiral space group and in its topological net and exists left of the helical rods, which are constituted from edge-sharing pyramidal polyhedra with points of extension as carboxylic carbon atoms along the a axis. NJU-Bail 1 exhibits excellent adsorption capacity for CO2 (130.0 cm(3)/g at 273 K, 1 bar) and H-2 (160.0 cm(3)/g at 77 K, 1 bar). Remarkably, NJU-Bail 1 possesses high H-2 adsorption enthalpy (7.05 kJ/mol), which is approaching the highest value (7.3 kJ/mol) reported among rare-earth metal-organic frameworks (RE-MOFs). In addition, a high selectivity ratio of 30.2 for CO2 over N-2 makes NJU-Bail 1 possess a potential practical application in gas purification.
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