Amplification of AIE-effect of tetraphenylethylene on solid support: Formation of a sensitive fluorescent nanosensor for turn-on detection of Cu2+ and successive sensing of ascorbate ions

Ram Uttam Gawas,Ankit Thakuri,Raghunath Acharya,Mainak Banerjee,Amrita Chatterjee

Inorganica Chimica Acta（2022）

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摘要

•AIE-based turn-on sensing system for dual detection of Cu2+ and ascorbate ions.•A propargyl-TPE tags with MCM-41 by “click reaction” to device the sensing system.•Highly sensitive detection due to solid-supported enhancement of AIE-effect.•LOD as low as 0.6 ppb for Cu(II) and 1.8 ppb for ascorbate.

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关键词

Amplification of aggregation-induced emission (AIE),Tetraphenylethylene (TPE),MCM-41 based nanosensor,Click reaction,Cu2+ sensing,Ascorbate sensing

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