Continuous Separation of Metallic and Semiconducting Carbon Nanotubes Using Agarose Gel

被引：118

作者：

Tanaka, Takeshi ^{[1
]}

Urabe, Yasuko ^{[1
]}

Nishide, Daisuke ^{[1
,2
]}

Kataura, Hiromichi ^{[1
,2
]}

机构：

[1] Natl Inst Adv Ind Sci & Technol, Nanotechnol Res Inst, Tsukuba, Ibaraki 3058562, Japan

[2] Japan Sci & Technol Agcy, CREST, Kawaguchi, Saitama 3300012, Japan

来源：

APPLIED PHYSICS EXPRESS | 2009年 / 2卷 / 12期

关键词：

ELECTRONIC-STRUCTURE; DISPERSION;

D O I：

10.1143/APEX.2.125002

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have developed a novel method to separate metallic and semiconducting single-wall carbon nanotubes (SWCNTs) with high purities using agarose gel. When an SWCNTs/sodium dodecyl sulfate (SDS) dispersion was applied to a column containing agarose gel beads, semiconducting SWCNTs were trapped by the beads, while metallic SWCNTs passed through the column. After the semiconducting SWCNTs adsorbed to the beads were eluted with sodium deoxycholate solution, the column could be used for repeated separation. Because this continuous, repeatable separation method is applicable to a low-cost, large-scale process, it should enable the industrial production of metallic and semiconducting SWCNTs. (C) 2009 The Japan Society of Applied Physics DOI: 10.1143/APEX.2.125002

引用

页数：3

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