Aperiodic metal–organic frameworks

Abstract

Metal-organic frameworks (MOFs) represent one of the most diverse structural classes among solid state materials, yet few of them exhibit aperiodicity, or the existence of long-range order in the absence...

Porous lanthanide metal-organic frameworks with metallic conductivity

“…Importantly, both X-ray and Raman data convey that the structural transition at approximately 370 K is fully reversible and occurs regardless of the solvation state of either material. Incommensurate modulation is rare in MOFs (18), and so far has only been reported as a guest solvent-dependent phenomenon in electrically insulating systems (19,20), never intrinsic to the framework skeleton. In molecular materials, incommensurate modulation often occurs due to a complex interplay of steric effects and non-covalent interactions (18).…”

Magnetic Archimedean Tessellations in Metal-Organic Frameworks

“…he design and realization of complex and aperiodic twodimensional tessellations in molecule-based materials constitutes a novel route to harvest physical properties, for instance photonic, electronic, magnetic, and phononic characteristics, which are expected to be unparalleled compared to their periodic counterparts. [1][2][3] However, applications are elusive due to the severe scarcity of materials exhibiting the desired structural motifs. The two-dimensional dodecagonal quasicrystalline phase (Fig.…”

“…In the more robust, bulk coordination networks and metal-organic frameworks (MOFs), quasicrystals are elusive. [1] This may partly be related to the complications in their crystallographic identification and partly due to the scarcity of structures that bear the potential to express quasicrystallinity. The elongated triangular (3 3 .4 2 ) and snub square (3 2 .4.3.4) ATs (Fig.…”

“…Furthermore, their weak interactions with ligands are commensurable with the weak interactions typically intrinsic to aperiodic structures. [1] The construction of the YbI2(bipy)5/2 framework necessitated the introduction of divalent lanthanide units, whose preponderance in chemistry is dwarfed by the trivalent ones. To circumvent this problem, we herein demonstrate a novel strategy to design molecule-based magnetic Archimedean tessellations incorporating trivalent lanthanide ions.…”

“…The discovery of fullerenes, nanotubes, and graphene has stimulated the exploration of synthetic low-dimensional carbon nanostructures. Among these, quasi-one-dimensional atomically precise substructures of graphene, known as graphene nanoribbons (NRs), [1] combine the one-atom thickness of graphene with the structure-dependent metallicity of carbon nanotubes. NRs have unique electronic, optical and mechanical properties and are considered promising candidates to develop new technologies for electronics, [2] photonics, [3] and energy conversion, [4] among others.…”