Figure 3: Interaction of MPA-CdTe QDs with chitosan.

High-resolution transmission electron microscopy images of MPA-CdTe QDs and chitosan in the reaction system before irradiation (a) (bar scale, 200 nm) and after irradiation for 10 h (b) (bar scale, 200 nm). The MPA-CdTe QDs inside chitosan after irradiation for 10 h (c) (bar scale, 2 nm).