碳纳米点作为一种用于快速灵敏检测六价铬的荧光传感器及其多功能应用。
Carbon nanodots as a fluorescence sensor for rapid and sensitive detection of Cr(VI) and their multifunctional applications.
作者信息
Liu Xue, Li Tianze, Wu Qiuhua, Yan Xiao, Wu Chenglin, Chen Xia, Zhang Guolin
机构信息
Liaoning Province Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials, College of Chemistry, Liaoning University, Shenyang 110036, PR China.
Liaoning Province Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials, College of Chemistry, Liaoning University, Shenyang 110036, PR China.
出版信息
Talanta. 2017 Apr 1;165:216-222. doi: 10.1016/j.talanta.2016.12.037. Epub 2016 Dec 23.
In this work, carbon nanodots (CDs) were prepared via a green and convenient microwave assisted pyrolysis of ionic liquids (ILs) and ethylenediamine. It was found that the synthesized IL-based CDs (ILCDs) exhibited a superior selective sensitivity for Cr(VI). Photoluminescence (PL) properties of the ILCDs were applied to determine the concentration of Cr(VI), which showed a wide linear range and a low detection limit. We also received promising results by using the ILCDs for Cr(VI) detection in real samples. Moreover, the synthesized ILCDs can also work as a PL nanosensors to determine temperature and pH value in solution.
在本工作中，通过离子液体（ILs）和乙二胺的绿色便捷微波辅助热解制备了碳纳米点（CDs）。发现合成的基于离子液体的碳纳米点（ILCDs）对Cr(VI)表现出优异的选择性灵敏度。利用ILCDs的光致发光（PL）特性来测定Cr(VI)的浓度，其显示出宽线性范围和低检测限。我们使用ILCDs对实际样品中的Cr(VI)进行检测也得到了有前景的结果。此外，合成的ILCDs还可作为PL纳米传感器来测定溶液中的温度和pH值。
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