Covalent Functionalization of HiPco Single-Walled Carbon Nanotubes: Differences in the Oxidizing Action of H2SO4 and HNO3 during a Soft Oxidation Process

被引：7

作者：

Devaux, Xavier ^{[1
]}

Vigolo, Brigitte ^{[1
]}

McRae, Edward ^{[1
]}

Valsaque, Fabrice ^{[1
]}

Allali, Naoual ^{[2
,4
,6
]}

Mamane, Victor ^{[2
,3
]}

Fort, Yves ^{[2
]}

Soldatov, Alexander V. ^{[4
,5
]}

Dossot, Manuel ^{[6
]}

Tsareva, Svetlana Yu. ^{[1
]}

机构：

[1] Univ Lorraine, CNRS, Fac Sci & Technol, UMR 7198, F-54506 Vandoeuvre Les Nancy, France

[2] Univ Lorraine, CNRS, Fac Sci & Technol, Lab Struct & React Syst Mol Complexes,UMR 7198, F-54506 Vandoeuvre Les Nancy, France

[3] Univ Strasbourg, UMR 7177, Inst Chim Strasbourg, Equipe LASYROC, F-67008 Strasbourg, France

[4] Lulea Univ Technol, Dept Engn Sci & Math, SE-97187 Lulea, Sweden

[5] Harvard Univ, Dept Phys, Cambridge, MA 02138 USA

[6] Univ Lorraine, CNRS, UMR 7564, Lab Chim Phys & Microbiol Environm, F-54601 Villers Les Nancy, France

来源：

CHEMPHYSCHEM | 2015年 / 16卷 / 12期

关键词：

nanostructures; nanotubes; oxidation; surface analysis; surface chemistry; RAMAN-SPECTROSCOPY; NITRIC-ACID; PURIFICATION; CHEMISTRY; DEFECTS; SURFACE; ADSORPTION; COMPOSITE; METHANE; CELLS;

D O I：

10.1002/cphc.201500248

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：

The results of a study on the evolution of HiPco single-walled carbon nanotubes during the oxidizing action of H2SO4 and HNO3 are presented. The process conditions used have been chosen so as to avoid any significant damage to the nanotube structure. The type and level of functionalization, the location of the grafted functions on the surface of the nanotube and the changes in morphological characteristics of the samples were examined by using a wide and complementary range of analytical techniques. We propose an explanation for the differences in the oxidizing action of sulfuric and nitric acids. The combined results allow us to suggest possible reaction mechanisms that occur on the surface of the nanotube.

引用

页码：2692 / 2701

页数：10

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