Metal-Organic Frameworks (MOFs) are a porous network structure material formed by supramolecular self-assembly of metal ions and organic ligands. As a coordination polymer that has developed rapidly in the past two decades, MOF materials have a three-dimensional pore structure, generally with metal ions as the connection point and organic ligands to support the spatial 3D extension. MOF materials are another important new type of porous material besides zeolites and carbon nanotubes, which are widely used in catalysis, energy storage and separation. It became a hot research direction in many chemical branches, such as inorganic chemistry and organic chemistry.
Common organic ligands in MOF materials mainly include carboxylic acid MOF ligands, nitrogen-containing MOF ligands, nitrogen-containing carboxylic acid MOF ligands, other MOF ligands, halogen series, porphyrin series, two-dimensional MOF ligands and organic framework monomer blocks.