Fabrication and characterization of micro-band boron-doped diamond electrode for an application in adenosine phosphates sensor

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Abstract

Micro-band electrode was successfully fabricated by lamination method through sealing a piece of boron-doped diamond film inside a sandwich of two insulating plates, namely Teflon and silicon rubber as the gaskets. Characterization was performed using Raman and XPS spectra of the BDD film, while the fabricated micro-band was characterized by analyzing its SEM image. The electrode was examined for cyclic voltammetry of adenosine triphosphate solution, where an oxidation peak at +0.9 V vs. Ag/AgCl can be observed. The influence of scan rate and pH was also studied, in which pH 2 was selected as the optimum pH. The diffusion coefficient of 0.1 mM ATP at micro-band electrode was 3.84 x 10-8 m2/s, while the effective surface of the micro-band BDD electrode was 8.72 x 10-14 m2.

Original languageEnglish
Article number012035
JournalIOP Conference Series: Materials Science and Engineering
Volume188
Issue number1
DOIs
Publication statusPublished - 2 May 2017
EventInternational Symposium on Current Progress in Functional Materials 2016, ISCPFM 2016 - Bali, Indonesia
Duration: 26 Jul 201627 Jul 2016

Keywords

  • ATP
  • boron-doped diamond
  • characterization
  • cyclic voltammetry
  • micro-band electrode

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