Photopolymerized Lipids Self-Assembly for the Solubilization of Carbon Nanotubes

Because they have a great propensity to aggregation in water, solubilization of carbon nanotubes (CNTs) in aqueous media remains an important challenge. Our laboratory has reported the self-organization of synthetic lipids into hemi-micellar structures at the carbon nanotubes surface. Subsequent sta...

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Veröffentlicht in:	The journal of physical chemistry. B 2010-05, Vol.114 (17), p.5718-5722
Hauptverfasser:	Contal, Emmanuel, Morère, Alexandre, Thauvin, Cédric, Perino, Aurélia, Meunier, Stéphane, Mioskowski, Charles, Wagner, Alain
Format:	Artikel
Sprache:	eng
Schlagworte:	B: Macromolecules, Soft Matter Lipids - chemistry Micelles Nanotubes, Carbon - chemistry Solubility Surface Properties Water - chemistry
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container_end_page	5722
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container_title	The journal of physical chemistry. B
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creator	Contal, Emmanuel Morère, Alexandre Thauvin, Cédric Perino, Aurélia Meunier, Stéphane Mioskowski, Charles Wagner, Alain
description	Because they have a great propensity to aggregation in water, solubilization of carbon nanotubes (CNTs) in aqueous media remains an important challenge. Our laboratory has reported the self-organization of synthetic lipids into hemi-micellar structures at the carbon nanotubes surface. Subsequent stabilization of these carbon nanotube/lipid assembly (CNT/LA) constructs is achieved through photopolymerization of the diyne motif of the pentacosa-10,12-diynoic lipids. Herein we investigate the scope of this coating procedure for CNT solubilization. A panel of CNTs was selected according to the method of production and the characteristics of CNTs. The study revealed that it is possible to reach a complete lipid adsorption. The TEM analyses demonstrate that lipid hemi-micellar self-assemblies can be formed around SWNTs as well as around DWNTs and MWNTs, particularly for carbon nanotubes produced by the arc-discharged method. The nanotube suspensions show a very good stability and are homogeneous for months even at a high nanotubes concentration.
doi_str_mv	10.1021/jp1010007
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subjects	B: Macromolecules, Soft Matter Lipids - chemistry Micelles Nanotubes, Carbon - chemistry Solubility Surface Properties Water - chemistry
title	Photopolymerized Lipids Self-Assembly for the Solubilization of Carbon Nanotubes
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