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Stable dispersions of double-walled carbon nanotubes for carbon nanotube/copper co-deposition

Mauricio Pavía Orcid Logo, Mélanie Emo Orcid Logo, Fahad Alnjiman, Enrico Andreoli Orcid Logo, Jean-François Pierson, Emmanuel Flahaut Orcid Logo, Ewa Kazimierska Orcid Logo, Brigitte Vigolo Orcid Logo

Materials Chemistry and Physics, Volume: 299, Start page: 127491

Swansea University Author: Enrico Andreoli Orcid Logo

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DOI (Published version): 10.1016/j.matchemphys.2023.127491

Abstract

This work explores a novel approach to disperse purified double-walled carbon nanotubes in high ionic strength aqueous media, i.e. a copper ion solution to further prepare double-walled carbon nanotubes/Cu composites by co-electrodeposition. Firstly, the metal catalyst impurities in the tube samples...

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Published in: Materials Chemistry and Physics
ISSN: 0254-0584
Published: Elsevier BV 2023
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URI: https://cronfa.swan.ac.uk/Record/cronfa62677
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Two non-ionic (Triton X-100 and Pluronic-P123) and one anionic (sodium dodecyl sulfate) surfactant were used to disperse the purified samples by varying the carbon nanotubes/surfactant ratio and the surfactant content. Triton X-100 is a poly(ethylene glycol) in which one of the terminal hydroxy groups has been converted into the corresponding p-(2,4,4-trimethylpentan-3-yl)phenyl ether. Pluronic-P123 is a triblock copolymer comprising poly(ethylene oxide) (PEO) and poly(propylene oxide) (PPO) leading to PEO-PPO-PEO. Sodium dodecyl sulfate of chemical formula C12H25OSO2ONa possesses a sulfate head and a hydrocarbon tail. The capability of each surfactant to disperse the double-walled carbon nanotubes in the copper ion solution is analyzed and later discussed based on the nature of the inter-tube forces. Among the employed surfactants, Pluronic-P123 exhibits the best dispersive level since stable and homogenous suspensions of double-walled carbon nanotubes are obtained. The dispersion mechanism proposes that the hydrophobic nature of Pluronic-P123 promotes efficient steric repulsions allowing the stable dispersion in the copper electrolyte. The samples dispersed by this way are successfully co-deposited and they form well-distributed double-walled carbon nanotubes within the copper matrix. 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spelling 2023-03-09T14:26:08.0392629 v2 62677 2023-02-16 Stable dispersions of double-walled carbon nanotubes for carbon nanotube/copper co-deposition cbd843daab780bb55698a3daccd74df8 0000-0002-1207-2314 Enrico Andreoli Enrico Andreoli true false 2023-02-16 CHEG This work explores a novel approach to disperse purified double-walled carbon nanotubes in high ionic strength aqueous media, i.e. a copper ion solution to further prepare double-walled carbon nanotubes/Cu composites by co-electrodeposition. Firstly, the metal catalyst impurities in the tube samples are selectively removed by a one-pot gas-phase purification treatment. Two non-ionic (Triton X-100 and Pluronic-P123) and one anionic (sodium dodecyl sulfate) surfactant were used to disperse the purified samples by varying the carbon nanotubes/surfactant ratio and the surfactant content. Triton X-100 is a poly(ethylene glycol) in which one of the terminal hydroxy groups has been converted into the corresponding p-(2,4,4-trimethylpentan-3-yl)phenyl ether. Pluronic-P123 is a triblock copolymer comprising poly(ethylene oxide) (PEO) and poly(propylene oxide) (PPO) leading to PEO-PPO-PEO. Sodium dodecyl sulfate of chemical formula C12H25OSO2ONa possesses a sulfate head and a hydrocarbon tail. The capability of each surfactant to disperse the double-walled carbon nanotubes in the copper ion solution is analyzed and later discussed based on the nature of the inter-tube forces. Among the employed surfactants, Pluronic-P123 exhibits the best dispersive level since stable and homogenous suspensions of double-walled carbon nanotubes are obtained. The dispersion mechanism proposes that the hydrophobic nature of Pluronic-P123 promotes efficient steric repulsions allowing the stable dispersion in the copper electrolyte. The samples dispersed by this way are successfully co-deposited and they form well-distributed double-walled carbon nanotubes within the copper matrix. The obtained results are an important step on the way to achieving an efficient double-walled carbon nanotubes/Cu composite synthesized by electrodeposition means. Journal Article Materials Chemistry and Physics 299 127491 Elsevier BV 0254-0584 Double-walled carbon nanotube; Dispersion; Surfactant; Co-electrodeposition; CNT-Cu composites 15 4 2023 2023-04-15 10.1016/j.matchemphys.2023.127491 COLLEGE NANME Chemical Engineering COLLEGE CODE CHEG Swansea University Partenariats Hubert Curien (PHC)/Campus France, PHC ALLIANCE - 2019 43237NB 2023-03-09T14:26:08.0392629 2023-02-16T13:31:56.3528990 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemical Engineering Mauricio Pavía 0000-0002-2776-126x 1 Mélanie Emo 0000-0003-3599-6824 2 Fahad Alnjiman 3 Enrico Andreoli 0000-0002-1207-2314 4 Jean-François Pierson 5 Emmanuel Flahaut 0000-0001-8344-6902 6 Ewa Kazimierska 0000-0002-1915-1998 7 Brigitte Vigolo 0000-0002-1463-0121 8 Under embargo Under embargo 2023-02-16T13:34:23.9495456 Output 2492260 application/pdf Accepted Manuscript true 2024-02-13T00:00:00.0000000 ©2023 All rights reserved. All article content, except where otherwise noted, is licensed under a Creative Commons Attribution Non-Commercial No Derivatives License (CC-BY-NC-ND) true eng https://creativecommons.org/licenses/by-nc-nd/4.0/
title Stable dispersions of double-walled carbon nanotubes for carbon nanotube/copper co-deposition
spellingShingle Stable dispersions of double-walled carbon nanotubes for carbon nanotube/copper co-deposition
Enrico Andreoli
title_short Stable dispersions of double-walled carbon nanotubes for carbon nanotube/copper co-deposition
title_full Stable dispersions of double-walled carbon nanotubes for carbon nanotube/copper co-deposition
title_fullStr Stable dispersions of double-walled carbon nanotubes for carbon nanotube/copper co-deposition
title_full_unstemmed Stable dispersions of double-walled carbon nanotubes for carbon nanotube/copper co-deposition
title_sort Stable dispersions of double-walled carbon nanotubes for carbon nanotube/copper co-deposition
author_id_str_mv cbd843daab780bb55698a3daccd74df8
author_id_fullname_str_mv cbd843daab780bb55698a3daccd74df8_***_Enrico Andreoli
author Enrico Andreoli
author2 Mauricio Pavía
Mélanie Emo
Fahad Alnjiman
Enrico Andreoli
Jean-François Pierson
Emmanuel Flahaut
Ewa Kazimierska
Brigitte Vigolo
format Journal article
container_title Materials Chemistry and Physics
container_volume 299
container_start_page 127491
publishDate 2023
institution Swansea University
issn 0254-0584
doi_str_mv 10.1016/j.matchemphys.2023.127491
publisher Elsevier BV
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Chemical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Chemical Engineering
document_store_str 0
active_str 0
description This work explores a novel approach to disperse purified double-walled carbon nanotubes in high ionic strength aqueous media, i.e. a copper ion solution to further prepare double-walled carbon nanotubes/Cu composites by co-electrodeposition. Firstly, the metal catalyst impurities in the tube samples are selectively removed by a one-pot gas-phase purification treatment. Two non-ionic (Triton X-100 and Pluronic-P123) and one anionic (sodium dodecyl sulfate) surfactant were used to disperse the purified samples by varying the carbon nanotubes/surfactant ratio and the surfactant content. Triton X-100 is a poly(ethylene glycol) in which one of the terminal hydroxy groups has been converted into the corresponding p-(2,4,4-trimethylpentan-3-yl)phenyl ether. Pluronic-P123 is a triblock copolymer comprising poly(ethylene oxide) (PEO) and poly(propylene oxide) (PPO) leading to PEO-PPO-PEO. Sodium dodecyl sulfate of chemical formula C12H25OSO2ONa possesses a sulfate head and a hydrocarbon tail. The capability of each surfactant to disperse the double-walled carbon nanotubes in the copper ion solution is analyzed and later discussed based on the nature of the inter-tube forces. Among the employed surfactants, Pluronic-P123 exhibits the best dispersive level since stable and homogenous suspensions of double-walled carbon nanotubes are obtained. The dispersion mechanism proposes that the hydrophobic nature of Pluronic-P123 promotes efficient steric repulsions allowing the stable dispersion in the copper electrolyte. The samples dispersed by this way are successfully co-deposited and they form well-distributed double-walled carbon nanotubes within the copper matrix. The obtained results are an important step on the way to achieving an efficient double-walled carbon nanotubes/Cu composite synthesized by electrodeposition means.
published_date 2023-04-15T04:22:29Z
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score 11.013148

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