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August 11, 2025International Journal of ElectrochemistryOpen Access

Gold Nanoparticles Electrodeposition Onto Thick Diazonium Film for Sensitive and Long‐Lasting Hg(II) Trace Sensing

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Authors

FFFatma FezaiCVChristelle VirolleYKY. El Kacimi

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Overview

Electrochemical sensor detects Hg(II) trace amounts in solution, indicating improved sensitivity through gold nanoparticles and diazonium.

Key Points

  • The sensor shows a limit of detection as low as 300 pmol·L −1 for Hg(II), demonstrating high sensitivity and effectiveness.
  • Using square wave anodic stripping voltammetry (SWASV), the sensor achieved a linear response in the concentration range of 1.0–9.9 nmol·L −1.
  • Electrodeposition of gold nanoparticles onto diazonium-functionalized glassy carbon electrodes enhances the sensor's performance and lifespan.
  • The hybrid interface significantly improves the sensor's operational duration, extending it up to 4 weeks before performance degradation.

Cite This Study

Fezai et al. (2025) studied this question.

synapsesocial.com/papers/68a360d60a429f7973329009https://doi.org/10.1155/ijel/6078280
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