期刊
INORGANIC CHEMISTRY
卷 58, 期 20, 页码 13836-13842出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.inorgchem.9b01697
关键词
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资金
- Cheung Kong Scholars Program
- Hundred Talents Program of Shaanxi Province
- National Natural Science Foundation of China [21771121]
- State Key Laboratory of Coordination Chemistry [SKLCC1812]
On the basis of the [Fe-3(mu(3)-O)(COO)(6)] cluster and 3,3',5,5'-diphenyltetracarboxylic acid (H4BPTC), three novel metal organic frameworks (MOFs), NJU-Bai25, NJU-Bai26, and NJU-Bai27 (NJU-Bai for Bai's group at Nanjing University) with different (4,4,4,6)-, (4,4,4,4,4,6)-, and (4,4,6)-connected nets were obtained in different solvent systems, in which due to the steric hindrance of the coordinated solvents the conformations of BPTC gradually change from the planar to the torsional; thus, the pore sizes of those MOFs were also gradually narrowed. Interestingly, the MOFs show high thermal/chemical stabilities and selective CO2 adsorption: NJU-Bai27 exhibits larger CO2 uptake (5.0 and 13.8 wt %) at 298 K under 0.15 and 1 bar, whereas NJU-Bai26 has a higher selectivity for CO2/N-2 (366).
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