Effect of Different Acid Components on Multi-Walled Carbon Nanotubes

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Hittite Journal of Science and Engineering
Volume:6 Issue:4
Effect of Different Acid Components on Multi-Walled Carbon Nanotubes

Effect of Different Acid Components on Multi-Walled Carbon Nanotubes

Pages : 319-323

View : 15 | Download : 9

Publication Date : 2019-12-31

Article Type : Research Paper

Abstract :In this study, interactions of multi-walled carbon nanotubes MWCNTs samples with Hydrochloric acid HCl , Nitric acid HNO3 , Aqua regia [ AR =HCl: HNO3 3:1 ] and Reverse aqua regia, [ RAR =HCl: HNO3 1:3 ] acid and acid mixtures were investigated. Changes in the structure of the samples were analyzed by Fourier transform infrared spectroscopy FT-IR and Raman spectroscopy. In addition, the adsorption rates of the acid solutions of the samples were determined. The MWCNTs material has been found to exhibit a high adsorption rate %34.70 for the RAR mixture. The same mixture caused the highest defect formation in the structure %25 . The AR mixture significantly reduced the number of defects in the sample %63 . According to the purposes of industrial and technological applications, acid and acid mixtures can be used to purify carbon-based structures and to extend the surface area by adding functional groups to the structure.
Keywords : MWCNTs, Defect formation, Adsorption rate, Acid interaction, Purification, Surface extending

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