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Synthesis of a honeycomb-like Cu-based metal–organic framework and its carbon dioxide adsorption behaviour

2012; Royal Society of Chemistry; Volume: 42; Issue: 7 Linguagem: Inglês

10.1039/c2dt32138f

1477-9234

R. Sanz, Fernando Martı́nez, Gisela Orcajo, Łukasz Wojtas, David Briones,

Covalent Organic Framework Applications

Herein, we report on a new Cu-based MOF material, Cu2(dhtp), structurally homologous to the honeycomb-like M2(dhtp) series. This has been crystallized under solvothermal conditions using copper nitrate and 2,5-dihydroxyterephthalic acid as an organic linker, being the nature of the co-solvent in the synthesis media an important variable over the final physical properties of the material. The presence of isopropanol as a co-solvent leads to the formation of a pure crystalline phase with textural properties comparable to M2(dhtp) homologues. The interesting results in CO2 adsorption properties of this new material, especially its isosteric heat of adsorption, make it a suitable MOF to be further evaluated under real conditions of industrial CO2 capture.