HomeNanotechnologySelective dispersion of semiconducting single-walled carbon nanotubes with fragrant polyimides: Fullerenes, Nanotubes...

Selective dispersion of semiconducting single-walled carbon nanotubes with fragrant polyimides: Fullerenes, Nanotubes and Carbon Nanostructures: Vol 0, No 0


Summary

Individually dispersed single-walled carbon nanotubes (SWNTs) with the conductivity of metals or semiconductors solely are essential for his or her purposes in electronics, optics and magnetism. On this work, 5 fragrant polyimides with various backbones have been initially utilized to the examine on the dispersion of arc-discharge SWNTs. Spectroscopic characterizations by vis-NIR absorption and Raman scattering verify that the polyimide molecules possess numerous selective dispersing skill towards semiconducting SWNTs. The efficient dispersion of SWNTs is a results of the spirally wound polyimides round SWNTs dictated by the π-π stacking interactions between the spine of polyimides and the floor of SWNTs, and the selectivity in semiconducting SWNTs is attributable to the cost switch from polyimide molecules to SWNTs. The assorted dispersing behaviors of the polyimides towards SWNTs might be accounted for by the distinction in fragrant floor space and suppleness of their backbones.

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