“…Coordination polymers (CPs) composed of organic ligands and metal ions have attracted more and more attention because of their novel structures and their potential applications in gas adsorption and separation, luminescence sensors, magnetism, and catalysis in recent years. 14–18 In particular, lanthanide coordination polymers (Ln-CPs) which have excellent optical properties, such as a narrow emission band, high color purity and a long fluorescence lifetime, 19,20 have been widely used in the detection of heavy metal ions, anions, biomolecules and solvent molecules due to their novel topological structure, as well as great possibilities of structural modification and functionalization. 21–24…”