A supramolecular lanthanide separation approach based on multivalent cooperative enhancement of metal ion selectivity.

ABSTRACT: Multivalent cooperativity plays an important role in the supramolecular self-assembly process. Herein, we report a remarkable cooperative enhancement of both structural integrity and metal ion selectivity on metal-organic M₄L₄ tetrahedral cages self-assembled from a tris-tridentate ligand (L¹) with a variety of metal ions spanning across the periodic table, including alkaline earth (Ca^II), transition (Cd^II), and all the lanthanide (Ln^III) metal ions. All these M₄L¹₄ cages are stable to excess metal ions and ligands, which is in sharp contrast with the tridentate (L²) ligand and bis-tridentate (L³) ligand bearing the same coordination motif as L¹. Moreover, hig

SUBMITTER: Li XZ 

PROVIDER: S-EPMC5803205 | biostudies-literature | 2018 Feb

REPOSITORIES: biostudies-literature