Coulomb Explosion: A Novel Approach to Separate Single-Walled Carbon Nanotubes from Their Bundle

被引:22
作者
Liu, Guangtong [1 ,2 ]
Zhao, Yuanchun [1 ,3 ]
Zheng, Kaihong [1 ,3 ]
Liu, Zheng [1 ,3 ]
Ma, Wenjun [2 ,3 ]
Ren, Yan [2 ,3 ]
Xie, Sishen [2 ]
Sun, Lianfeng [1 ]
机构
[1] Natl Ctr Nanosci & Technol, Beijing 100190, Peoples R China
[2] Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China
[3] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
基金
美国国家科学基金会;
关键词
ELECTRONIC-STRUCTURE; LENGTH; CHROMATOGRAPHY; DIAMETER;
D O I
10.1021/nl802827m
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A novel approach based on Coulomb explosion has been developed to separate single-walled carbon nanotubes (SWNTs) from their bundle. With this technique, we can readily separate a bundle of SWNTs into smaller bundles with uniform diameter as well as some individual SWNTs. The separated SWNTs have a typical length of several microns and form a nanotree at one end of the original bundle. More importantly, this separating procedure involves no surfactant and includes only one-step physical process. The separation method offers great conveniences for the subsequent individual SWNT or multiterminal SWNTs device fabrication and their physical properties studies.
引用
收藏
页码:239 / 244
页数:6
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