Highly fluorescent au nanoclusters: Electrostatically induced phase transfer synthesis for Cu2+ sensing
文献类型： 外文期刊
作者： Chen, Qiansi 1 ; Li, Yajuan 2 ; Xu, Shenghao 3 ; Tie, Weiwei 4 ; Wang, Nan 2 ; He, Zhanhang 2 ; Liu, Pingping 1 ; Zhou, H 1 ;
作者机构： 1.CNTC, Zhengzhou Tobacco Res Inst, Zhengzhou 450001, Peoples R China
2.Zhengzhou Univ, Coll Chem & Engn, Zhengzhou, Peoples R China
3.Qingdao Univ Sci & Technol, Key Lab Sensor Anal Tumor Marker, Coll Chem & Mol Engn, Minist Educ, Qingdao, Peoples R China
4.Chinese Acad Trop Agr Sci, Inst Trop Biosci & Biotechnol, Haikou, Hainan, Peoples R China
关键词： Cu2+ detection;electrostatically induced phase transfer;fluorescent Au nanoclusters;water samples
期刊名称：LUMINESCENCE （ 影响因子：2.464； 五年影响因子：1.961 ）
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收录情况： SCI
摘要： This paper reports a convenient method for the synthesis of highly fluorescent Au nanoclusters (NCs) via electrostatically induced phase transfer. Furthermore, on the basis of an aggregation-induced fluorescence quenching mechanism, the potential application for Cu2+ sensing on the fluorescence emission of the Au NCs is discussed. These prepared fluorescent Au NCs offer acceptable sensitivity, high selectivity, and a limit of quantitation of 0.02M for the measurement of Cu2+, which is lower than the maximum level (1ppm, equals to 15.6M) of Cu2+ permitted in drinking water in China. This study contributes to the further development of practical applications with fluorescent NCs.
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