Dispersion and purification of single-wall carbon nanotubes using carboxymethylcellulose
Dispersion and purification of single-wall carbon nanotubes using carboxymethylcellulose
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DOI：
10.1143/jjap.43.3636
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发表时间：
2004-06-01
期刊：
影响因子：
--
通讯作者：
Ishii, T
中科院分区：
文献类型：
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作者：
Takahashi, T;Tsunoda, K;Ishii, T
我们开发了一种纯化单壁碳纳米管（SWNTs）的新方法，该方法涉及在空气中退火并将SWNTs分散在羧甲基纤维素（CMC）水溶液中。所得单壁碳纳米管的纯度通过电子显微镜、拉曼光谱和热重分析（TGA）等分析技术进行了评估。结果表明，CMC作为一种有效的分散剂，在单壁碳纳米管束的剥离中起着重要的作用，从而制备出了质量相当高的单壁碳纳米管。
We have developed a novel method for the purification of single-wall carbon nanotubes (SWNTs) that involves annealing in air and dispersing the SWNTs in an aqueous solution of carboxymethylcellulose (CMC). The purity of the resulting SWNTs was evaluated by analytical techniques such as electron microscopy, Raman spectroscopy, and thermogravimetric analysis (TGA). As a result, it was revealed that CMC functioned as an effective dispersion reagent in the exfoliation of the SWNT bundles and thereby, SWNTs with appreciably high quality were prepared.