Synthesis of Carbon Dots from Pear Juice for Fluorescence Detection of Cu2+ Ion in Water

文献类型： 外文期刊

第一作者： Li, Defang

作者： Li, Defang;Zhao, Lining;Gong, Haoru

作者机构：

关键词： Carbon Dots;Fluorescent;Pear;Solvothermal Reaction

期刊名称：JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY （ 影响因子：1.134； 五年影响因子：0.999 ）

ISSN： 1533-4880

年卷期： 2018 年 18 卷 8 期

页码：

收录情况： SCI

摘要： In this work, a facile green hydrothermal method was developed for the synthesis of carbon dots with fluorescent property using pear juice as raw materials. The synthesized carbon dots were characterized by UV-vis, fluorescence and transmission electron microscopic techniques. The synthesized conditions were optimized and the obtained carbon dots exhibited an average size at 10 nm with bright emission centered at 455 nm (blue color) under UV light with the excitation wavelength at 360 nm. The as-prepared carbon dots exhibited quenching effect in the presence of Cu2+ ion and a method for Cu2+ ion detection in water was developed with acceptable selectivity. The synthesized fluorescent carbon dots showed advantages like easy preparation, low cost and environmental friendly. It could be useful in chemical and biochemical detection.

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