Different adsorption behaviors of methane and carbon dioxide in the isotypic nanoporous metal terephthalates MIL-53 and MIL-47 |
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Authors: | Bourrelly Sandrine Llewellyn Philip L Serre Christian Millange Franck Loiseau Thierry Férey Gérard |
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Affiliation: | MADIREL, Université de Provence - CNRS UMR 6121, Centre de St Jér?me, 13397 Marseille Cedex 20, France. |
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Abstract: | A distinct step in the isotherm occurs during the adsorption of CO2 on MIL-53 at 304 K. Such behavior is neither observed during the adsorption of CH4 on MIL-53 nor during the adsorption on the isostructural MIL-47. This phenomenon seems to be due to a different mechanism than that of previous adsorption steps on MOF samples. It is suggested that a breathing behavior is induced in MIL-53 during CO2 adsorption. |
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