Utilizing Fullerenols as Surfactant for Carbon Nanotubes Dispersions Preparation
Utilizing Fullerenols as Surfactant for Carbon Nanotubes Dispersions Preparation
复制标题
利用富勒烯醇作为表面活性剂制备碳纳米管分散液
DOI：
10.1155/2017/4387391
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发表时间：
2017-02
期刊：
影响因子：
--
通讯作者：
Liu Ying
中科院分区：
文献类型：
--
作者：
Ji Jianlong;Qiao Chang;Liu Yali;Zhang Wendong;Sang Shengbo;Yang Xing;Jian Aoqun;Duan Qianqian;Zhang Qiang;Liu Ying
Dispersions of individual carbon nanotubes (CNTs) are crucial for nanodevices and polymer/CNTs nanocomposites. In this paper, stable and homogenous dispersions of individual multiwalled carbon nanotubes (MWCNTs) have been synthesized. The factors influencing the dispersibility mechanism, including the surfactant concentration and the pH value, have been investigated. SEM images display the impurities sticking on MWCNTs which have been removed. The oxygen-containing groups on the surface of MWCNTs sample have been detected through FT-IR and Raman spectra. All experimental results illustrate that using fullerenols as surfactant can greatly improve the dispersibility of MWCNTs. Moreover, the prepared dispersions exhibit good stability that the sediment percentage of fullerenols-MWCNTs is only 5.2% after 5 days.
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