Figure 4.

Transmission electron microscopy (TEM) (a, b) and high-resolution TEM (HRTEM) (c, d) images of CdSe QDs (a, c) and CdSe/Cd0.5Zn0.5S/ZnS core/multishell QDs (b, d)

Su et al. Nanoscale Research Letters 2010 5:625-630   doi:10.1007/s11671-010-9525-1