Preferential elimination of thin single-walled carbon nanotubes by iron etching
2012
Yu, Fang | Zhou, Haiqing | Yang, Huaichao | Chen, Minjiang | Wang, Gang | Sun, Lianfeng
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.
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