Abstract
Three unreported isomorphous Ln-containing metal–organic coordination polymeric complexes {LnL(HL)⋅(H2O)2}n (Ln=Sm (1), Eu (2) and Tb (3), CCDC 971815–971817) were synthesized based on 5-(2-hydroxyethoxy) isophthalic acid (H2L) under hydrothermal conditions. The obtained coordination polymers were characterized by IR, elemental analysis, thermal analysis and X-ray diffraction In solid state, these polymers featured 3-D supramolecular structures constructed by 2-D sheets through H-bonds. Investigation of photoluminescence properties of H2L and 1–3 showed all of them exhibited intense fluorescent emissions in the solid state at room temperature.
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