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Issue 14, 2013
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Modulating methane storage in anionic nano-porous MOF materials via post-synthetic cation exchange process

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Abstract

The post-synthesis cation exchange process of [HDMA]2[Zn2(BDC)3(DMA)2]·6DMF (1) (HDMA+: dimethylamonnium, BDC2−: 1,4-benzenedicarboxilate, DMA: dimethylamine and DMF: N,N′-dimethylformamide) anionic MOF with Ni2+, Cu2+, Li+, Na+ and K+ ions was investigated by ICP, CHN, XRD, 1H-NMR and TG analyses. Replacement of the organic cation with the smaller Li+ ion in 1 leads to an increase in its internal surface area and methane sorption capacity. By the strategy developed here, we were able to prepare ion exchanged MOFs with higher surface area and methane sorption capacity capable of operating at more ambient temperature and pressure.

Graphical abstract: Modulating methane storage in anionic nano-porous MOF materials via post-synthetic cation exchange process

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Publication details

The article was received on 18 Dec 2012, accepted on 16 Jan 2013 and first published on 17 Jan 2013


Article type: Communication
DOI: 10.1039/C3DT32846E
Citation: Dalton Trans., 2013,42, 4786-4789
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    Modulating methane storage in anionic nano-porous MOF materials via post-synthetic cation exchange process

    K. Akhbari and A. Morsali, Dalton Trans., 2013, 42, 4786
    DOI: 10.1039/C3DT32846E

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