Fig. 1From: Enhancement of Photoluminescence from Semiconducting Nanotubes in Aqueous Suspensions due to Cysteine and Dithiothreitol Doping: Influence of the Sonication TreatmentPhotoluminescence spectra of nanotube aqueous suspensions with ssDNA prepared with 90-min (a) and 30-min (b) tip sonication at different cysteine concentrationsBack to article page