Removal and evaluation of non-diamond carbon on boron-doped diamond electrodes

Seth A. Hara, Taylor R. Moen, Kevin Bennet, Kendall H Lee, Jonathan R. Tomshine

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

Boron-doped diamond electrodes possess many qualities that make them promising candidates for chronic in vivo neurochemical sensors. The fabrication process for boron-doped diamond films produces additional forms of non-diamond carbon that can confound electrochemical performance and neurochemical detection. Various removal treatments have been implemented for other applications of boron-doped diamond, but they have not been very well evaluated or compared. In this work, we present the use of electrode double-layer capacitance and quinone surface coverage to evaluate the effectiveness of three different non-diamond carbon removal treatments on boron-doped diamond microelectrodes designed for neurochemical detection. The results indicate that sulfuric acid cycling post-deposition and incorporation of an atomic hydrogen cool-down step into the deposition process reduce the amount of surface non-diamond carbon contaminating boron-doped diamond electrodes.

Original languageEnglish (US)
Title of host publication2017 IEEE International Symposium on Medical Measurements and Applications, MeMeA 2017 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages117-122
Number of pages6
ISBN (Electronic)9781509029839
DOIs
StatePublished - Jul 19 2017
Event12th IEEE International Symposium on Medical Measurements and Applications, MeMeA 2017 - Rochester, United States
Duration: May 7 2017May 10 2017

Other

Other12th IEEE International Symposium on Medical Measurements and Applications, MeMeA 2017
CountryUnited States
CityRochester
Period5/7/175/10/17

Keywords

  • boron-doped diamond
  • cyclic voltammetry
  • neurochemical detection
  • non-diamond carbon

ASJC Scopus subject areas

  • Instrumentation
  • Computer Science Applications
  • Medicine (miscellaneous)

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  • Cite this

    Hara, S. A., Moen, T. R., Bennet, K., Lee, K. H., & Tomshine, J. R. (2017). Removal and evaluation of non-diamond carbon on boron-doped diamond electrodes. In 2017 IEEE International Symposium on Medical Measurements and Applications, MeMeA 2017 - Proceedings (pp. 117-122). [7985860] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/MeMeA.2017.7985860