Fig. 4From: Enhancement of Photoluminescence from Semiconducting Nanotubes in Aqueous Suspensions due to Cysteine and Dithiothreitol Doping: Influence of the Sonication TreatmentDependencies of normalized integral intensities of PL bands corresponding to nanotube chirality (6,5) (a) and (6,4) (b) in SWNTs:ssDNA suspensions sonicated for 90 and 30 minBack to article page