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제125회 대한화학회 학술발표회 및 총회 Solid-State Emissive Supramolecular Assemblies Based on N-Acylhydrazone and Its Metal Complex

등록일
2020년 1월 31일 11시 27분 54초
접수번호
0123
발표코드
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발표시간
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발표형식
포스터
발표분야
Polymer Chemistry
저자 및
공동저자
Hye Jin Cho, Hyunwoo Kim, Changsik Song*
Department of Chemistry, Sungkyunkwan University, Korea
Development of sensory materials for metal elements is currently in the mainstream of research because they are a typical pollutant, and at the same time, essential trace elements in biology. Based on the simplicity and usability of fluorescence as a method of detection, various fluorophores were developed as chemosensors for metal sensing. Herein, we report a novel “bis”-quinoline-based N-acylhydrazone named bQH, with Zn sensing property. This N-acylhydrazone showed emissive properties through the coordination to Zn, especially in its solid-state. Along with the emission of bQH, the binding mode toward Zn2+ was proved to consist of two modes, 1:1 and 1:2 (bQH:Zn2+). Under the 1:1 binding mode, bQH-Zn2+ complexes formed a polymeric array through the metallo-supramolecular assembly. Various experiments such as UV-Vis, photoluminescence (PL), nuclear magnetic resonance (NMR) spectroscopy were used to discover the Zn2+ sensing property of bQH.

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