Surface modification of multiwall carbon nanotubes by sulfonitric treatment
- Gómez, Sofía
- Rendtorff Birrer, Nicolás Maximiliano
- Aglietti, Esteban Fausto
- Sakka, Yoshio
- Suarez, Gustavo
DOIAbstract
Carbon nanotubes are widely used for electronic, mechanical, and optical devices due to their unique structural and quantum characteristics. The species generated by oxidation on the surface of these materials permit binding new reaction chains, which improves the dispersibility, processing and compatibility with other materials. Even though different acid treatments and applications of these CNT have been reported, relatively few research studies have focused on the relationship between the acid treatment and the formation of nanodefects, specific oxidized species or CNT surface defects. In this work, multiwall carbon nanotube (MWCNT) oxidation at 90°C was characterized in order to determine the acid treatment effect on the surface. It was...
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