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Fabrication of bottom-up multiwalled carbon nanotube electrode for sensitive electrochemical detection


Citation

Abdul Rahim, Zulaiha and Yusof, Nor Azah and Mohammad Haniff, Muhammad Aniq Shazni and Syono, Mohd Ismahadi and Daud, Nurulhaidah (2018) Fabrication of bottom-up multiwalled carbon nanotube electrode for sensitive electrochemical detection. Malaysian Journal of Catalysis, 3 (1). pp. 17-20. ISSN ESSN: 0128-2581

Abstract / Synopsis

Preliminary study of the growth of multiwalled carbon nanotube (MWCNT) was done using plasma enhanced chemical vapour deposition (PECVD) technique. Posttreatment of MWCNT using different kinds of plasma atmosphere including oxygen, hydrogen and nitrogen were applied to introduce defects on the surface of MWCNTs and nitrogen plasma gives the most significant arises on the peak current compared to the bare electrode with increment from ~0.33 mA to ~0.42 mA with increased of effective area from ~0.32 cm2 to ~0.49 cm2. The study was extended into fabrication of screen-printed electrode system using photolithography methods and the MWCNTs working electrodes were modified under nitrogen plasma to enhance the surface sensitivity.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Science
Institute of Advanced Technology
Publisher: Faculty of Science, Universiti Teknologi Malaysia
Keywords: Bottom-up; Multiwalled carbon nanotube; Plasma-enhanced chemical vapour deposition; Plasma-treatment; Cyclic voltammetry
Depositing User: Nurul Ainie Mokhtar
Date Deposited: 28 Jun 2019 15:23
Last Modified: 28 Jun 2019 15:23
URI: http://psasir.upm.edu.my/id/eprint/54016
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