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Abstract Designing highly efficient fluorescent sensors for detection of toxic pollutants has aroused great interest. In this work, a carboxyl-functionalized Zn(II) metal-organic framework (MOF), [Zn(HL)(bipy)0.5(H2O)]·2H2O (1) [H3L = 9-(4-carboxy-phenyl)-9H-carbazoly-3,6-dicarboxylic acid,… Click to show full abstract
Abstract Designing highly efficient fluorescent sensors for detection of toxic pollutants has aroused great interest. In this work, a carboxyl-functionalized Zn(II) metal-organic framework (MOF), [Zn(HL)(bipy)0.5(H2O)]·2H2O (1) [H3L = 9-(4-carboxy-phenyl)-9H-carbazoly-3,6-dicarboxylic acid, bipy = 4,4′-bipyridine] was successfully synthesized. Crystal structure analysis reveals that 1 possesses a three dimensional (3D) unimodal 6-connected network. 1 can sense Pb2+ and UO22+ ions in aqueous solution by fluorescence quenching. High selectivity and sensitivity of 1 to toxic ions reveals it is a good bi-functional chemical sensor.
Journal Title: Dyes and Pigments
Year Published: 2019
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