杨颖,胡一铭,刘楠,高竹青

• 1:太原科技大学化学与生物工程学院

摘要(Abstract)：

构建了一种基于抗坏血酸修饰CuNPs高选择性检测水中Cr(Ⅵ)的方法。采用一锅合成法，以硝酸铜作为铜源，抗坏血酸作为还原剂，在氢氧化钠溶液的调节下简易合成铜纳米粒子(CuNPs).合成的CuNPs表现出高且稳定的荧光性能，由于内滤效应，Cr(Ⅵ)可淬灭其荧光，因此可作为高灵敏度的Cr(Ⅵ)传感器，从而建立一种Cr(Ⅵ)的荧光检测方法。CuNPs的荧光淬灭效率与Cr(Ⅵ)浓度在(1～10)μmol/L范围内线性相关，线性相关系数R~2=0.992 5,检测限为0.100 4μmol/L,该方法可快速、灵敏、选择性地检测Cr(Ⅵ).

关键词(KeyWords)： CuNPs;Cr(Ⅵ);荧光淬灭;荧光检测

Abstract:

Keywords:

基金项目(Foundation): 山西省科技厅重点研发计划(201803D121099);; 太原科技大学博士启动基金(20182020)

作者(Author): 杨颖,胡一铭,刘楠,高竹青

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