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Stable dispersions of double-walled carbon nanotubes for carbon nanotube/copper co-deposition
Materials Chemistry and Physics, Volume: 299, Start page: 127491
Swansea University Author:
Enrico Andreoli
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©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)
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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...
Published in: | Materials Chemistry and Physics |
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ISSN: | 0254-0584 |
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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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2024-07-29T13:36:41.7985372 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 EAAS 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 Engineering and Applied Sciences School COLLEGE CODE EAAS Swansea University Partenariats Hubert Curien (PHC)/Campus France, PHC ALLIANCE - 2019 43237NB 2024-07-29T13:36:41.7985372 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 62677__26598__8a1bce83fb8742f6bad6b797e2e740c6.pdf 62677.pdf 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 |
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Materials Chemistry and Physics |
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127491 |
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10.1016/j.matchemphys.2023.127491 |
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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 |
2023-04-15T12:27:00Z |
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1827206616499355648 |
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10.905153 |