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The synthesis, characterization and photophysical properties of soluble polymeric complexes obtained from a new ligand 1 and its Eu(III), Tb(III) and Gd(III) ions, is described. The 1 H NMR, FTIR, absorption and excitation spectra reveal chelation of the metal with the ligand via a carboxylate and excludes the pyridinics moieties coordination.
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