Melt-quenched carboxylate metal-organic framework glasses.

ABSTRACT: Although carboxylate-based frameworks are commonly used architectures in metal-organic frameworks (MOFs), liquid/glass MOFs have thus far mainly been obtained from azole- or weakly coordinating ligand-based frameworks. This is because strong coordination bonds of carboxylate ligands to metals block the thermal vitrification pathways of carboxylate-based MOFs. In this study, we present the example of carboxylate-based melt-quenched MOF glasses comprising Mg²⁺ or Mn²⁺ with an aliphatic carboxylate ligand, adipate. These MOFs have a low melting temperature (T_m) of 284 °C and 238 °C, respectively, compared to zeolitic-imidazolate framework (ZIF) glasses, and superior mechanical properties in terms of hardness and elastic modulus. The low T_m may be at

SUBMITTER: Kim M 

PROVIDER: S-EPMC10853212 | biostudies-literature | 2024 Feb

REPOSITORIES: biostudies-literature