A Highly Sensitive Carbendazim Sensor Based on Electrochemically Reduced Graphene Oxide

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  • DONG Xiao-Ya
    The Key Laboratory of Modern Agricultural equipment and technology (MOE), Institute of Agricultural Engineering, Jiangsu University
  • QIU Bai-Jing
    The Key Laboratory of Modern Agricultural equipment and technology (MOE), Institute of Agricultural Engineering, Jiangsu University
  • YANG Xing-Wang
    The Key Laboratory of Modern Agricultural equipment and technology (MOE), Institute of Agricultural Engineering, Jiangsu University
  • JIANG Ding
    The Key Laboratory of Modern Agricultural equipment and technology (MOE), Institute of Agricultural Engineering, Jiangsu University
  • WANG Kun
    The Key Laboratory of Modern Agricultural equipment and technology (MOE), Institute of Agricultural Engineering, Jiangsu University

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抄録

A simple method for direct and quantitative determination of carbendazim using electrochemically reduced graphene oxide modified glassy carbon electrode (ERGO/GCE) has been developed. The obtained electrode was characterized using scanning electron microscopy, Raman spectroscopy, cyclic voltammetry and differential pulse voltammetry. Compared to bare and graphene oxide modified electrodes (GO/GCE), the ERGO/GCE not only significantly shifted to a lower positive potential, but also noticeably enhanced the current response. The resulting carbendazim sensor showed a wide linear range (2.0 nM to 400 nM) and a low detection limit (1.0 nM). In addition, the proposed sensor has excellent selectivity, good stability and can be successfully applied in soil sample. The ERGO, which was obtained by facile, cost-effective method, could provide a promising platform to develop excellent electrochemical sensors for detecting carbendazim.

収録刊行物

  • Electrochemistry

    Electrochemistry 82 (12), 1061-1066, 2014

    公益社団法人　電気化学会

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