Abstract

Herein, we presented an in-situ hydrothermally synthesized photoluminescent zinc(II) coordination polymer (Zn–CP), namely [Zn2(tzeba)2(bpy)]n1, in which H2tzeba=3-(1-tetrazol-ethyl)benzoic acid, bpy=4,4′-bipyridine. Compound 1 exhibits ligand-centered photoluminescence (PL) and displays interesting dual emissions based on the excitation of different chromophores from the mixed organic ligands. The PL colors of 1 could be tuned from blue-to-cyan-to-green directly by varying the excitation wavelengths. The PL mechanism has been investigated by the density of states (DOS) and density functional theory (DFT) calculations.

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