Effect of Different Acid Components on Multi-Walled Carbon Nanotubes

Abstract

In this study, interactions of multi-walled carbon nanotubes (MWCNTs) samples withHydrochloric acid (HCl), Nitric acid (HNO3), Aqua regia [(AR)=HCl: HNO3 (3:1)] a nd Reverse aqua regia, [(R AR)=HCl: HNO3 (1:3)] acid and acid mixtures were investigated. Changes in the structure of the samples were analyzed by Fourier transform infrared spec-troscopy (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 R AR 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.

DOI: 10.17350/HJSE19030000164

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Published
2019-12-31
How to Cite
Akbaba, U. (2019). Effect of Different Acid Components on Multi-Walled Carbon Nanotubes. Hittite Journal of Science & Engineering, 6(4), 319-323. Retrieved from https://www.hjse.hitit.edu.tr/hjse/index.php/HJSE/article/view/436
Section
SCIENCE