Functionalization of carbon nanotubes using a silane coupling agent

被引：530
作者：
Ma, Peng Cheng
Kim, Jang-Kyo [1 ]
Tang, Ben Zhong
机构：
[1] Hong Kong Univ Sci & Technol, Dept Mech Engn, Kowloon, Hong Kong, Peoples R China
[2] Hong Kong Univ Sci & Technol, Dept Chem, Kowloon, Hong Kong, Peoples R China
来源：
CARBON | 2006年 / 44卷 / 15期
关键词：
carbon nanotubes; surface treatment; functional groups; surface properties;
D O I：
10.1016/j.carbon.2006.06.032
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：
A new method is developed to chemically functionalize multi-walled carbon nanotubes (MWCNTs) based on silanization reaction for use as the reinforcement for polymer matrix composites. To oxidize and create active moieties on the MWCNTs, the samples were exposed to UV light within the ozone chamber, followed by silanization using 3-glycidoxypropyltrimethoxy silane after the oxidized MWCNTs were reduced by lithium aluminum hydride. FT-IR, TEM and XPS were employed to characterize the changes in carbon nanotubes surface morphology, chemistry and physical conditions at different processing stages. The results indicate improved dispersion and attachment of silane molecules on the surface of the MWCNTs. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码：3232 / 3238
页数：7
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