Electrochemical measurements of multiwalled carbon nanotubes under different plasma treatments

Zulaiha Abdul Rahim, Nor Azah Yusof, Muhammad Aniq Shazni Mohammad Haniff, Faruq Mohammad, Mohd Ismahadi Syono, Daud Nurulhaidah

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

In the present work, we described the post-treatment effects of applying different plasma atmosphere conditions on the electrochemical performances of the multiwalled carbon nanotubes (MWCNTs). For the study, a composite of MWCNTs/Co/Ti was successfully grown on the silicon substrate and then pre-treated with ammonia, oxygen and hydrogen plasma. The composite was characterized by making use of field emission scanning electron microscopy (FESEM) for the surface morphology and Raman spectroscopy for the functionalization. Further, the electrochemical measurements were performed with the use of the cyclic voltammetry (CV) applied in the 0.01 M potassium ferricyanide in 0.1 M KCl solution. On testing, the results indicated that the NH3-treated MWCNTs have the highest efficiency as compared to the other pretreatments and control. This increased performance of NH3 treated sample can be linked to the enhanced surface area of the composite, thereby improved adsorption and associated interaction with that of the analyte molecules at the electrodes. Further comparison of the electrode with that of commercial Dropsens electrodes provided the confirmation for the efficiency of the NH3/MWCNTs, thereby suggesting for the potentiality of applying the NH3 modified electrode towards electrochemical applications.

Original languageEnglish
Article number1902
JournalMaterials
Volume11
Issue number10
DOIs
Publication statusPublished - 7 Oct 2018
Externally publishedYes

Fingerprint

Multiwalled carbon nanotubes (MWCN)
Plasmas
Electrodes
Composite materials
Electrochemical electrodes
Silicon
Ammonia
Field emission
Cyclic voltammetry
Surface morphology
Potassium
Raman spectroscopy
Hydrogen
Oxygen
Adsorption
Scanning electron microscopy
Molecules
Testing
Substrates

Keywords

  • Cyclic voltammetry
  • Multiwalled carbon nanotubes
  • Plasma treatment
  • Raman spectroscopy

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Rahim, Z. A., Yusof, N. A., Haniff, M. A. S. M., Mohammad, F., Syono, M. I., & Nurulhaidah, D. (2018). Electrochemical measurements of multiwalled carbon nanotubes under different plasma treatments. Materials, 11(10), [1902]. https://doi.org/10.3390/ma11101902

Electrochemical measurements of multiwalled carbon nanotubes under different plasma treatments. / Rahim, Zulaiha Abdul; Yusof, Nor Azah; Haniff, Muhammad Aniq Shazni Mohammad; Mohammad, Faruq; Syono, Mohd Ismahadi; Nurulhaidah, Daud.

In: Materials, Vol. 11, No. 10, 1902, 07.10.2018.

Research output: Contribution to journalArticle

Rahim, Zulaiha Abdul ; Yusof, Nor Azah ; Haniff, Muhammad Aniq Shazni Mohammad ; Mohammad, Faruq ; Syono, Mohd Ismahadi ; Nurulhaidah, Daud. / Electrochemical measurements of multiwalled carbon nanotubes under different plasma treatments. In: Materials. 2018 ; Vol. 11, No. 10.
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