Photopolymerized Lipids Self-Assembly for the Solubilization of Carbon Nanotubes

被引：17

作者：

Contal, Emmanuel ^{[1
]}

Morere, Alexandre ^{[1
]}

Thauvin, Cedric ^{[1
]}

Perino, Aurelia ^{[1
]}

Meunier, Stephane ^{[1
]}

Mioskowski, Charles ^{[1
]}

Wagner, Alain ^{[1
]}

机构：

[1] Fac Pharm, Lab Funct Chemosyst, UMR 7199, F-67400 Illkirch Graffenstaden, France

来源：

JOURNAL OF PHYSICAL CHEMISTRY B | 2010年 / 114卷 / 17期

关键词：

DISPERSION; SEPARATION; POLYMER;

D O I：

10.1021/jp1010007

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

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.

引用

页码：5718 / 5722

页数：5

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