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A Novel Sensor for Sensitive and Selective Detection of Iodide Using Turn-on Fluorescence Graphene Quantum Dots/Ag Nanocomposite

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Abstract

Based on the principle of fluorescence enhancing, by the strong and specific interreaction between iodide (I–) ions and nanoAg on the surface of graphene quantum dots/Ag (GQDs/Ag) nanocomposite, we propose a simple label-free and turn-on method for the detection of I–ions with high selectivity and sensitivity by using fluorescent GQDs/Ag nanocomposite in aqueous media.

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Acknowledgments

This work was supported by the Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD).

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Authors and Affiliations

  1. Shazhou Professional Institute of Technology, Zhangjiagang, Jiangsu Province 215600, P. R. China

    Xianghong Xu & Yanhui Wang

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  1. Xianghong Xu
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  2. Yanhui Wang
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Correspondence to Xianghong Xu.

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Xu, X., Wang, Y. A Novel Sensor for Sensitive and Selective Detection of Iodide Using Turn-on Fluorescence Graphene Quantum Dots/Ag Nanocomposite. ANAL. SCI. 31, 787–791 (2015). https://doi.org/10.2116/analsci.31.787

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  • DOI: https://doi.org/10.2116/analsci.31.787

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