A novel “turn-off” fluorescent sensor for Al3+ detection based on quinolinecarboxamide-coumarin

Zichun Zhou,Wenjie Niu, Zhangqi Lin,Yanhong Cui,Xue Tang,Yujin Li

Inorganic Chemistry Communications（2020）

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摘要

•Quinolinecarboxamides based on coumarin derivatives were efficiently designed and synthesized.•Probe ZXQ formed the 2:1 complex with Al3+ and performed fluorescence quenching.•The mechanism of binding and fluorescence quenching was illustrated byJob’ plot and DFT calculations.

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关键词

Quinolinecarboxamide,Al3+ fluorescent sensor,Coumarin,Quenching mechanism

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