Chromatography of carbon nanotubes

Chromatography of carbon nanotubes
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DOI:
10.1016/s0379-6779(98)01068-6
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发表时间:
1999-06-01
期刊:
影响因子:
4.4
通讯作者:
Roth, S
Roth, S
中科院分区:
材料科学3区
文献类型:
--
作者:
Duesberg, GS;Blau, W;Roth, S

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尺寸排阻色谱 (SEC) 是纯化多壁和单壁碳纳米管(MWNT 和 SWNT)的有效工具。该方法适用于在 Kraetschmer 发生器中生产的表面活性剂稳定的原材料分散体。除了去除碳纳米球、金属颗粒和无定形碳外,还实现了 NT 的长度分离。液体分散体的拉曼光谱说明纯化成功。 NT 的 AFM 研究确定了长度间隔。
Size exclusion chromatography (SEC) is an effective tool for the purification of multiwall and singlewall carbon nanotubes (MWNTs and SWNTs). The method is applied to surfactant stabilised dispersions of raw material produced in a Kraetschmer generator. Besides the removal of carbon nanospheres, metal particles and amorphous carbon, a length separation of the NTs is achieved. Raman spectra of the liquid dispersions illustrate the successful purification. AFM investigations of NTs determined the length separation.