The effect of reaction layer composition on Pt/NiO function for glucose oxidation reaction in neutral media

Rasol Abdullah Mirzaie*, Azam Anaraki Firooz, Payam Ghorbani

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

4 Citations (Scopus)
5 Downloads (Pure)


This study shows the application of carbon supported electrodes containing Pt/NiO nanoparticles to catalyze the electrochemical oxidation of glucose in neutral media. In particular, this study describes the effect of the Pt content and type of carbon (carbon black, expanded graphite, or charcoal active) in the reaction layer on this oxidation process in neutral media. Pt/NiO nanoparticles were synthesized by a simple hydrothermal method, and further characterized by scanning electron microscopy (SEM), X-ray diffraction spectroscopy (XRD), and cyclic voltammetry. These nanoparticles were used to modify carbon electrodes. The effectiveness of these electrodes for electrochemical glucose oxidation was evaluated. The results revealed that the catalytic activity of the electrodes depends on the content of Pt/NiO nanoparticles and the type of carbon. The 10% Pt/NiO with 90% loading (use of activated charcoal in the reaction layer) as optimum electrode indicated good stability after 1200 voltammetry cycles. This modified electrode was highly active for glucose oxidation in neutral media, which could be attributed to the presence of Pt/NiO nanoparticles as catalyst and high surface area of activated charcoal on the electrode surface.

Original languageEnglish
Article number111061
JournalMaterials Science and Engineering C: Materials for Biological Applications
Publication statusPublished - Sept 2020


  • Activated charcoal
  • Glucose oxidation reaction
  • Neutral media
  • Nickel oxide
  • Platinum
  • n/a OA procedure


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