Abstract
This experimental study attempts to design and develop a novel carbon-based material fabrication method that implements high voltage AC arc discharge. The carbon-based material is to be used in an electric circuit to build up a gas sensing mechanism. After applying a high AC voltage to the graphite electrodes employed in the experiment, an arc ignites between the electrodes as the gas between them is iodized. In the carbon decomposition process, the arc is employed and results in the fabricated carbon strands. Thereafter, carbon monoxide (CO2) in the atmospheric pressure is passed over the electrodes in the Pyrex glass tube chamber where the carbon strand fabrication process takes place. An increment appears in the measured current voltage (I–V) between the two sides of the carbon strand as the carrier concentration of CO2 gas is increased from 200 to 800 ppm. Support vector regression (SVR) algorithm was used for data processing with statistical analysis for errors and quality control.
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Acknowledgments
The authors would like to thank Ministry of Higher Education (MOHE), Malaysia (Grant Vot. No. 4F382), and the Universiti Teknologi Malaysia (Grants Vot. No. 03H86 and Postdoc Grant No. 02E11) for the financial support received during the investigation.
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Akbari, E., Buntat, Z., Afroozeh, A. et al. Analytical investigation of CO2 sensor based on carbon strand. Int. J. Environ. Sci. Technol. 13, 339–348 (2016). https://doi.org/10.1007/s13762-015-0890-2
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DOI: https://doi.org/10.1007/s13762-015-0890-2