Electrochemical oxidation of multi-wall carbon nanotubes

被引：53
|
作者：
Moraitis, Giorgos [1 ]
Spitalsky, Zdeno [2 ]
Ravani, Fotini [2 ,3 ]
Siokou, Angeliki [2 ]
Galiotis, Costas [1 ,2 ,3 ]
机构：
[1] Univ Patras, Dept Mat Sci, Rion 26504, Greece
[2] Fdn Res & Technol Hellas, Inst Chem Engn & High Temp Chem Proc FORTH CE HT, Patras 26504, Greece
[3] Univ Patras, Interdept Program Polymer Sci & Technol, Rion 26504, Greece
来源：
CARBON | 2011年 / 49卷 / 08期
关键词：
PURIFICATION;
D O I：
10.1016/j.carbon.2011.02.060
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 electrochemical modification of carbon nanotube films (buckypapers) in three different electrolytes consisting of two acids and a basic solvent at very low concentrations was studied. The electrolysis was performed at 1 A up to a maximum of 12 h. Four different characterization techniques have been employed for assessing the effectiveness of the proposed process. The results presented are very encouraging for the development of electrochemical oxidation as the main surface modification method for carbon nanotubes. It was found that the use of nitric acid electrolyte leads to scalable and controllable oxidation as compared to the basic electrolyte which was also effective but appeared to damage the graphitic structure of nanotubes during longer treatments. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2702 / 2708
页数：7
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