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A Phenylamine-Oligothiophene-Based Fluorescent Chemosensor for Selective Detection of Hg(II)

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Abstract

A phenylamine-oligothiophene-based fluorescent chemosensor I3TEA was reported. This sensor exhibited highly selective and fast detection of Hg2+ ion in MeCN/H2O (8/2, v/v) solution through fluorescence quenching. The detection was unaffected by the other competitive metal cations. The low detection limit was found to be 5.92 × 10−7 M. In addition, the recognition process is reversible and confirmed by EDTA experiment.

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Acknowledgment

We gratefully acknowledge the support by NSF China Nos. 21376125/21276149 and Program for Scientific Research Innovation Team in Colleges and Universities of Shandong Province.

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Authors and Affiliations

  1. Shandong Provincial Key Laboratory of Fine Chemicals, Qilu University of Technology, Jinan, 250353, People’s Republic of China

    Qingfen Niu, Xingxing Wu, Tianduo Li, Yuezhi Cui, Shanshan Zhang & Qiuchen Su

Authors
  1. Qingfen Niu
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  2. Xingxing Wu
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  3. Tianduo Li
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  4. Yuezhi Cui
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  5. Shanshan Zhang
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  6. Qiuchen Su
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Corresponding author

Correspondence to Qingfen Niu.

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Highlights

• A phenylamine-oligothiophene-based fluorescent chemosensor I3TEA was reported.

• The sensor exhibited highly selective and sensitive detection of Hg2+.

• This sensor could rapidly detect Hg2+ ion in real time.

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Niu, Q., Wu, X., Li, T. et al. A Phenylamine-Oligothiophene-Based Fluorescent Chemosensor for Selective Detection of Hg(II). J Fluoresc 26, 1053–1058 (2016). https://doi.org/10.1007/s10895-016-1793-4

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  • DOI: https://doi.org/10.1007/s10895-016-1793-4

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