Figure 3

(a) UV-vis absorption spectra of the Au@Pdop NPs released from the PdopP-Au3 as a function of increasing time. (b–d) SEM and TEM images of released Au@Pdop NPs. Inset of d shows a magnified image of the released Au@Pdop NPs. (e) EDX line scanning data of released Au@Pdop NPs. (f) Accumulated solution image of Au@Pdop NPs released as a function of time.