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Expos de l'inventionPresentation of the invention La prsente invention a prcisment pour but de rpondre ces besoins et inconvnients de l'art antrieur en fournissant un solide MOF cristallin poreux surface modifie comprenant une succession tridimentionnelle de motifs identiques ou diffrents rpondant la formule (I) suivante :The present invention is specifically intended to meet these needs and disadvantages of the prior art by providing a porous crystalline MOF solid surface-modified comprising a succession three-dimensional identical or different motifs corresponding to the following formula (I): M 1n O^ 1 L p Formule ( I ) dans laquelle :M 1n O 1 L p Formula (I) in which: - M est un ion mtallique choisi dans le groupe comprenant Fe 2+ , Fe 3+ , Zn 2+ , Ti 3+ , Ti 4+ , Zr 2+ , Zr 4+ , Ca 2+ , Cu 2+ , Gd 3+ , Mg 2+ , Mn 2+ , Mn 3+ , Mn 4+ , Si 4+

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