Sidewall functionalization and characterization of multi-walled carbon nanotubes

被引：0
|
作者：
Chen, Xian-Hong [1 ,2 ]
Chen, Xiao-Jin [1 ]
Zhong, Wen-Bin [1 ]
Chen, Xiao-Hua [1 ]
Chen, Zhen-Hua [1 ]
机构：
[1] College of Material Science and Engineering, Hunan Univ, Changsha 410082, China
[2] Key Laboratory of Polymer Material Applied Technology of Hunan Province, Changsha 410001, China
来源：
Hunan Daxue Xuebao/Journal of Hunan University Natural Sciences | 2006年 / 33卷 / 05期
关键词：
Carboxylic acids - Characterization - Fourier transform infrared spectroscopy - Free radical reactions - Raman spectroscopy;
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学科分类号：
摘要：
The free radical addition reaction of multi-walled carbon nanotubes (MWCNTs) with succinic acid acyl peroxides resulted in the addition of carboxylic acid groups to the sidewalls of MWCNTs. And these carboxylic acid groups were converted to acid chlorides and then to amides. Characterizations were carried out by FTIR, Raman and UV-Vis spectroscopy. The results indicated that carboxylic acid groups were covalently attached on the sidewalls of MWCNTs, and the number of carboxylic acid groups was increased compared with the purified carbon nanotubes. The ratio of I(D +2D)/IG, which represents the disorder value of MWCNTs, increased by 0.2, and the absorb peak appeared around 320nm on the UV-Vis spectra of acyl functionalized MWCNTs due to π&rarrπ* transition of -CONH- bond.
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页码：87 / 90
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