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Issue 20, 2014
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Growth of 2D sheets of a MOF on graphene surfaces to yield composites with novel gas adsorption characteristics

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Abstract

Homogeneous graphene–MOF composites based on a 2D pillared-bilayer MOF (Cd-PBM), {[Cd4(azpy)2(pyrdc)4(H2O)2]·9H2O}n (azpy = 4,4′-azopyridine, pyrdc = pyridine-2,3-dicarboxylate), have been synthesized, using both graphene oxide (GO) and benzoic acid functionalized graphene (BFG). The composites GO@Cd-PBM and BFG@Cd-PBM demonstrate growth of the 2D nano-sheets of MOF on the graphene surface. While the pristine MOF, Cd-PBM shows selective CO2 uptake with a single-step type-I adsorption profile, the composites show stepwise CO2 uptake with a large hysteresis. With H2O and MeOH, on the other hand, the composites show a single-step adsorption unlike the parent MOF.

Graphical abstract: Growth of 2D sheets of a MOF on graphene surfaces to yield composites with novel gas adsorption characteristics

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Publication details

The article was received on 06 Nov 2013, accepted on 24 Jan 2014 and first published on 24 Jan 2014


Article type: Communication
DOI: 10.1039/C3DT53133C
Citation: Dalton Trans., 2014,43, 7383-7386
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    Growth of 2D sheets of a MOF on graphene surfaces to yield composites with novel gas adsorption characteristics

    R. Kumar, K. Jayaramulu, T. K. Maji and C. N. R. Rao, Dalton Trans., 2014, 43, 7383
    DOI: 10.1039/C3DT53133C

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