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The current study presents the design, fabrication and simulation of a molecularly imprinted polymer (MIP) coplanar capacitive sensor for the detection of two furfural (2-FAL) in the range of 0–40 ppm in insulating oil. Vegetable oils are nowadays used as transformer oils. The variation in concentration of adulterant (2-FAL) causes changes the dielectric constant of the sensing layer leading to the change in capacitive values. The sensor structure is modelled and fabricated to determine the parameters such as sensitivity, non-linearity, and precision. The statistical analysis is also carried out. Finally, some of the response parameters are compared with the previous sensors used for the same study. The proposed sensor provides a simple, inexpensive, selective and disposable alternative tool for the 2FAL detection in insulating oil.

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A Molecular Impregnated Polymer Film Planar Capacitive Sensor for Oil Insulation Degradation Measurement

  • 会议论文

  • 发表日期：

    2025年

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  • Uroosa Ghazi,
  • Tarikul Islam

摘要

The current study presents the design, fabrication and simulation of a molecularly imprinted polymer (MIP) coplanar capacitive sensor for the detection of two furfural (2-FAL) in the range of 0–40 ppm in insulating oil. Vegetable oils are nowadays used as transformer oils. The variation in concentration of adulterant (2-FAL) causes changes the dielectric constant of the sensing layer leading to the change in capacitive values. The sensor structure is modelled and fabricated to determine the parameters such as sensitivity, non-linearity, and precision. The statistical analysis is also carried out. Finally, some of the response parameters are compared with the previous sensors used for the same study. The proposed sensor provides a simple, inexpensive, selective and disposable alternative tool for the 2FAL detection in insulating oil.