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

文献信息

发布日期 2021-12-23

DOI 10.1039/D1AN02147H

影响因子 4.616

作者

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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摘要

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.

期刊推荐

Science Progress

Israel Journal of Chemistry

Organic Preparations and Procedures International

Proceedings of the National Academy of Sciences of the United States of America

Science

Journal of Catalysis

Pure and Applied Chemistry

European Journal of Wood and Wood Products

Journal of Heterocyclic Chemistry

Fibre Chemistry

来源期刊

Analyst

CiteScore: 7.8

自引率: 5.6%

年发文量: 653

Analyst publishes analytical and bioanalytical research that reports premier fundamental discoveries and inventions, and the applications of those discoveries, unconfined by traditional discipline barriers.

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

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