Nanostructured material comprising at least one nano-building block based on silica, alumina, zirconia, titanium oxide or cerium oxide, functionalized with at least two functionalizing agents of formula, or: Z 4-x Si((R') p -F) x Z 4-x-y (F'-(R') p) y Si((R') p -F) x Z n-ma-mb (F'- L) ma M(L-F) mb in which: each Z represents, independently of one another, a halogen atom or an -OR group; R represents an alkyl, preferably C 1-4 alkyl, group; x and y are integers ranging from 1 to 3 on condition that 4-x ≥ 1 for the formula and 4-x-y ≥ 0 for the formula; each R' represents, independently of one another, an organic spacer group chosen from alkylene, preferably C 1-4 alkylene, groups, alkenylene, especially C 2-4 alkenylene, groups and C 6-10 arylene groups; p is equal to 0 or 1; each F is chosen from alkyl groups, especially C 1-4 alkyl groups, alkenyl groups, in particular C 2-4 alkenyl groups, alkynyl groups, in particular C 2-4 alkynyl groups, aryl groups, in particular C 6-10 aryl groups, methacryl or methacryloxy(C 1-10 alkyl) groups, epoxyalkyl or epoxyalkoxyalkyl groups in which the alkyl group is linear, branched or cyclic, and is a C 1-10 alkyl group, and the alkoxy group comprises from 1 to 10 carbon atoms, C 2-10 haloalkyl groups, C 2-10 perhaloalkyl groups, C 2-10 mercaptoalkyl groups, C 2-10 aminoalkyl groups, amino (C 2-10 alkyl) amino (C 2-10 alkyl) groups, di(C 2-10 alkylene) triamino (C 2-10 alkyl) groups and imidazolyl (C 2-10 alkyl) groups; each F' and L are, each one, a monodentate or polydentate complexing ligand, preferably a polydentate complexing ligand; M represents Al, Ce, Ce, Zr, Ti, Sn, Nb, V, Ta, Hf, or a rare earth such as Y, La and Eu, the number between brackets being the valency of the M atom; n represents the coordination state of the M atom; m represents the number of coordination bonds between the chelating agent L and the metal M; a and b are integers such that ma + mb = n. each Z represents, independently of one another, a halogen atom or an -OR group; R represents an alkyl, preferably C 1-4 alkyl, group; x and y are integers ranging from 1 to 3 on condition that 4-x ≥ 1 for the formula and 4-x-y ≥ 0 for the formula; each R' represents, independently of one another, an organic spacer group chosen from alkylene, preferably C 1-4 alkylene, groups, alkenylene, especially C 2-4 alkenylene, groups and C 6-10 arylene groups; p is equal to 0 or 1; each F is chosen from alkyl groups, especially C 1-4 alkyl groups, alkenyl groups, in particular C 2-4 alkenyl groups, alkynyl groups, in particular C 2-4 alkynyl groups, aryl groups, in particular C 6-10 aryl groups, methacryl or methacryloxy(C 1-10 alkyl) groups, epoxyalkyl or epoxyalkoxyalkyl groups in which the alkyl group is linear, branched or cyclic, and is a C 1-10 alkyl group, and the alkoxy group comprises from 1 to 10 carbon atoms, C 2-10 haloalkyl groups, C 2-10 perhaloalkyl groups, C 2-10 mercaptoalkyl groups, C 2-10 aminoalkyl groups, amino (C 2-10 alkyl) amino (C 2-10 alkyl) groups, di(C 2-10 alkylene) triamino (C 2-10 alkyl) groups and imidazolyl (C 2-10 alkyl) groups; each F' and L are, each one, a monodentate or polydentate complexing ligand, preferably a polydentate complexing ligand; M represents Al, Ce, Ce, Zr, Ti, Sn, Nb, V, Ta, Hf, or a rare earth such as Y, La and Eu, the number between brackets being the valency of the M atom; n represents the coordination state of the M atom; m represents the number of coordination bonds between the chelating agent L and the metal M; a and b are integers such that ma + mb = n.