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Selective Dispersion of Single-Walled Carbon Nanotubes with Phenylene Based π-Conjugated Polymers

Supramolecular interactions between a series of functionalized phenylene based pi-conjugated polymers and two types of as-produced single-walled carbon nanotube (SWNT) samples, namely HiPCO-NTs and CoMoCAT-NTs, were investigated by means of UV-Vis-NIR, Raman spectroscopy, and atomic force microscopic (AFM) analysis. In a non-polar organic solvent (chloroform), the effectiveness of these polymers in selectively dispersing different SWNT components according to electronic type, diameter, and chiral angle was examined and evaluated.