Lighting up of carbon dots for copper(ii) detection using an aggregation-induced enhanced strategy

文献情報

出版日 2021-12-23

DOI 10.1039/D1AN02147H

インパクトファクター 4.616

著者

Long Chuan Zhang, Yu Meng Yang, Ling Liang, Yong Jian Jiang, Chun Mei Li, Yuan Fang Li, Lei Zhan, Hong Yan Zou

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要旨

Carbon dots have promising prospects for analytical and monitoring purposes, but are greatly hindered by the aggregation-induced luminescence quenching owing to the π–π interaction or the non-radiation-excited radical complex formation. Herein hydrothermally prepared orange-yellow fluorescent carbon dots (O-CDs) show an aggregation-induced fluorescence enhancement (AIFE) with Cu2+ owing to the complexation of Cu(II) and the O-CDs. Cu2+ was then sensitively and selectively detected in the linear range from 0.02 to 30 μM with the detection limit of 14 nM, making the detection of Cu2+ in fresh water and E. coli lysate successful, showing that the as-prepared O-CDs could be well applied to the environmental monitoring of heavy metals.

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CiteScore: 7.8

自己引用率: 5.6%

年間論文数: 653

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Lighting up of carbon dots for copper(ii) detection using an aggregation-induced enhanced strategy

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