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Preferential elimination of thin single-walled carbon nanotubes by iron etching
Fang Yu1, Haiqing Zhou, Huaichao Yang
1National Centre for Nanoscience and Technology, Beijing 100190, China.
Chemical Communications (Cambridge, England)
|December 14, 2011
Abstract:
We report that iron particles-assisted etching can be applied to selectively remove single-walled carbon nanotubes (SWNTs) with diameters smaller than 1.2 nm via the catalytic hydrogenation of carbon in a film of SWNTs, which is proven by a Raman spectroscopy-based technique.
