Templated synthesis of a layered erbium-organic framework based on 4,6-dimethyl-5-nitroisophthalic acid (H2dna)

A new 2D lanthanide-organic framework with 1D rod-shaped SBUs based on 4,6-dimethyl-5-nitroisophthalic acid has been solvothermally synthesized. The uncoordinated 4,4′-bipy ligands, which are trapped in the cavities by forming weak offset face-to-face pyridine–phenyl interaction with the wall of the cavities, play a template role in the formation of the 2D layer. To the best of our knowledge, this is the first 2D lanthanide-organic framework that synthesized by templated synthesis.