Functionalization and solubilization of thin multiwalled carbon nanotubes

被引：0
|
作者：
Nguyen Tran Hung
I. V. Anoshkin
A. P. Dementjev
D. V. Katorov
E. G. Rakov
机构：
[1] Mendeleev University of Chemical Technology,
[2] Russian Research Centre Kurchatov Institute,undefined
来源：
Inorganic Materials | 2008年 / 44卷
关键词：
Carbon Nanotubes; Single Wall Carbon; Maleic Anhydride; Acyl Chloride; Catalytic Pyrolysis;
D O I：
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中图分类号：
学科分类号：
摘要：
The reaction of thin multiwalled carbon nanotubes with a mixture of concentrated HNO3 and H2SO4 has been studied by IR absorption and x-ray photoelectron spectroscopies. The results indicate the attachment of-C(O)OH groups to nanotubes and subsequent conversion of these groups to-C(O)Cl groups via reaction with SOCl2 and then to-C(O)NR2 via reaction with didodecylamine. The yield of the carboxylated nanotubes is 53%, and that of the amidated nanotubes is 28%. The O:C atomic ratio in the carboxylated tubes is 1.0:9.0. The solubility of the carboxylated tubes in water is 3.13 g/l, and that of the amidated tubes in chloroform is 1.30 g/l.
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页码：219 / 223
页数：4
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