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Characterization of the chemical and physical properties of the single-walled carbon nanotubes (SWCNTs) library. (a) Raman spectra. (b) Elemental composition and (c) Length and agglomerate size analyzes as a function of the treatment time. (* indicates a significant difference between the pristine and acid treated SWCNTs, while ¥ indicates a significant difference between the 3 and 6 h treated SWCNTs respectively, p<0.05).
