Journal
NANO LETTERS
Volume 9, Issue 1, Pages 239-244Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl802827m
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Funding
- 100 Talents Program
- Chinese Academy of Sciences
- 973 Program of Ministry of Science and Technology [2006CB932402]
- National Science Foundation of China [50702015, 10574034, 10774032]
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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.
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