• Electrochemical sensor based on Na$^+$-doped g-C$_3$N$_4$ for detection of phenol

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    • Keywords


      g-C$_3$N$_4$; doped; electrochemical sensor; phenol.

    • Abstract


      In this work, a novel and enhanced electrochemical sensor based on Na$^+$-doped g-C$_3$N$_4$ was constructed for the detection of phenol. First, the g-C$_3$N$_4$ was formed through polymerizing melamine under 520$^{\circ}$C. And then the Na$^+$-doped g-C$_3$N$_4$ was fabricated by a simple wet chemical method. The electrochemical sensor was constructed by modifying the carbon paper with the resulting Na$^+$-doped g-C$_3$N$_4$. The morphology, chemical compositions and structure of Na$^+$-dopedg-C$_3$N$_4$ were characterized by scanning electron microscopy, transmission electronic microscopy, energy-dispersive X-ray detector and X-ray diffraction. The Na$^+$-doped g-C$_3$N$_4$ electrode was used for the cyclic voltammetry and amperometric response detection of phenol in a 0.1 M phosphate buffer (pH 9.0). Under the optimal conditions, the prepared sensordisplayed good performance for the electrochemical detection of phenol with a wide linear range of 1–110 $\mu$M, as well as low detection limit of 0.23 $\mu$M.

    • Author Affiliations



      1. College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, People’s Republic of China
      2. Research Center of Analysis and Measurement, Zhejiang University of Technology, Hangzhou 310018, People’s Republic of China
      3. Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, People’s Republic of China
    • Dates

  • Bulletin of Materials Science | News

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