Study of ionic surfactants interactions with carboxylated single-walled carbon nanotubes by using ion-selective electrodes

Potentiometric measurements based on the use of ion-selective electrodes have been used to study the interaction (adsorption) of anionic and cationic surfactants with functionalized single-walled carbon nanotubes (SWCNT-COOH). According to results, the interaction is driven by hydrophobic forces bet...

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Bibliographic Details
Authors: López López, Manuel J., Bernal Pérez, Eva, Moyá Morán, María Luisa, Sánchez Burgos, Francisco, López-Cornejo, María del Pilar
Format: article
Status:Published version
Publication Date:2016
Country:España
Institution:Universidad de Sevilla (US)
Repository:idUS. Depósito de Investigación de la Universidad de Sevilla
OAI Identifier:oai:idus.us.es:11441/107605
Online Access:https://hdl.handle.net/11441/107605
https://doi.org/10.1016/j.elecom.2016.03.010
Access Level:Open access
Keyword:Carbon nanotubes
Dispersion
Driving forces
Interaction
Ion-selective electrodes
Surfactants
Description
Summary:Potentiometric measurements based on the use of ion-selective electrodes have been used to study the interaction (adsorption) of anionic and cationic surfactants with functionalized single-walled carbon nanotubes (SWCNT-COOH). According to results, the interaction is driven by hydrophobic forces between the hydrocarbon tails of the surfactants and the nanotube walls. Electrostatic interactions practically exert no influence on the interaction. Driving forces in the dispersion processes are different.

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