Figure 4.

PL lifetime curves of the conjugated QDs and free QDs in aqueous solutions and KB cells. Excited by a 405-nm ps laser and measured by TCSPC with a 585- to 640-nm band-pass filter.

Li et al. Nanoscale Research Letters 2012 7:386   doi:10.1186/1556-276X-7-386
Download authors' original image