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Physical functionalization of multi-walled carbon nanotubes for enhanced dispersibility in aqueous medium

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posted on 2022-11-22, 21:16 authored by Mohamed Youssry, Maisa Al-Ruwaidhi, Mahdiyeh Zakeri, Mohadese Zakeri

Noncovalent functionalization of multi-walled carbon nanotubes (MWCNTs) by anionic surfactants (sodium dodecylbenzene sulfonate; SDBS and sodium cholate; SC) results in stable aqueous dispersions. SDBS showed better dispersing efficiency at lower concentration than that of SC due to the stabilizing π-π stacking induced by the presence of benzene ring in the tail of SBDS. The hemimicelle formation on the surface of nanotubes is likely to be the dominant dispersion mechanism that imparts higher colloidal stability for the MWCNTs in aqueous medium.

Other Information

Published in: Emergent Materials
License: https://creativecommons.org/licenses/by/4.0
See article on publisher's website: http://dx.doi.org/10.1007/s42247-020-00076-3

History

Language

  • English

Publisher

Springer Science and Business Media LLC

Publication Year

  • 2020

Institution affiliated with

  • Qatar University

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