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New generation of pesticide sensor aims toward low cost, on-site detection, and user-friendly platform. In the work, the modified screen-printed carbon electrodes were made in-house. Carbon pasted electrode was screened and modified with electrodeposition and anodization of copper to create nanostructures on electrode surface. The evaluation of organophosphate pesticides will be done by cyclic voltammetry via mobile application of near field communication potentiostat. Finally, the CuO nanorods modified on screen-printed carbon electrode present the detection limit as low as 3 ppb with high sensitivity.

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Organophosphate Pesticide Sensor Using Copper Oxide Modified on Homemade Screen-Printed Carbon Electrodes

  • 会议论文

  • 发表日期：

    2025年

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  • Pudchakarn Natnarin,
  • Tantiraksachai Thithat,
  • Punsuwan Pattapol,
  • Sakdarat Phichamon,
  • Thanachayanont Chanchana,
  • Pungetmongkol Porpin

摘要

New generation of pesticide sensor aims toward low cost, on-site detection, and user-friendly platform. In the work, the modified screen-printed carbon electrodes were made in-house. Carbon pasted electrode was screened and modified with electrodeposition and anodization of copper to create nanostructures on electrode surface. The evaluation of organophosphate pesticides will be done by cyclic voltammetry via mobile application of near field communication potentiostat. Finally, the CuO nanorods modified on screen-printed carbon electrode present the detection limit as low as 3 ppb with high sensitivity.