Purification of single-walled carbon nanotubes synthesized by the hydrogen arc-discharge method
Purification of single-walled carbon nanotubes synthesized by the hydrogen arc-discharge method
复制标题
氢弧放电法合成单壁碳纳米管的纯化
DOI：
10.1557/jmr.2001.0346
复制
发表时间：
2001-09-01
影响因子：
2.7
通讯作者：
Cheng, HM
中科院分区：
文献类型：
--
作者：
Hou, PX;Liu, C;Cheng, HM
提出并讨论了氢弧放电法纯化单壁碳纳米管产品的简单工艺。该过程包括在酒精中超声波，在固定空气中氧化和在盐酸中浸泡。根据透射电子显微镜、热重分析和共振激光拉曼测量的结果，产品中的大部分无定形碳和碳纳米颗粒以及金属颗粒被成功去除。在此过程中，纯化后的单壁碳纳米管收率为41%，纯度约为96%。
A simple procedure for the purification of the single-walled carbon nanotube (SWNT) product synthesized by the hydrogen arc-discharge method was proposed and discussed. The procedure involves ultrasonication in alcohol, oxidation in fixed air, and soaking in hydrochloric acid. Most of the amorphous carbon and carbon nanoparticles as well as metal particles in the product was successfully removed, according to the results obtained from transmission electron microscopy, thermogravimetric analysis, and resonant laser Raman measurements. With this procedure, a 41 wt% yield of the SWNTs with a purity of about 96% was achieved after purification.