Solid-State Emissive Metallo-Supramolecular Assemblies of Quinoline-Based Acyl Hydrazone.

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ID: 104545
2020
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Abstract
Development of fluorescence-based sensory materials for metal elements is currently in the mainstream of research due to the simplicity and usability of fluorescence as a method of detection. Herein, we report a novel ""-quinoline-based acyl hydrazone-named bQH that could be synthesized by a facile, low-cost method through simple condensation of hydrazide with an aldehyde. This acyl hydrazone showed emissive properties through Zn selective binding, especially in its solid-state, as shown by experiments such as UV-Vis, photoluminescence (PL), nuclear magnetic resonance (NMR), and inductively-coupled plasma-optical emission spectroscopies (ICP-OES), and energy-dispersive X-ray spectroscopy (EDS) mapping. The binding modes in which bQH coordinates to Zn was proved to consist of two modes, 1:1 and 1:2 (bQH:Zn), where the binding mode was controlled by the Zn ion content. Under the 1:1 binding mode, bQH-Zn complexes formed a polymeric array through the metallo-supramolecular assembly. The resulting bQH-Zn complex maintained its fluorescence in solid-state and exhibited excellent fluorescence intensity as compared to the previously reported quinoline-based acyl hydrazone derivative (mQH).
Reference Key
cho2020solidstatesensors Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Cho, Hye Jin;Kim, TaeWoo;Kim, Hyunwoo;Song, Changsik;
Journal sensors
Year 2020
DOI
E600
URL
Keywords
Hydrazone metallo-supramolecular assembly solid-state emission

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