Figure 2.

Wet chemical methods for the synthesis of SAECs. (a) Incorporation of active sites into a porous framework. Reproduced from [28]. (b) Schematic illustration of the deposition of single Au atoms on Pd mother clusters by the successive reduction method using L-ascorbic acid as the reducing reagent. Reproduced from [29]. (c) Schematic diagram of the electrochemical deposition of single-atom Pt onto CoP nanotubes. Reproduced from [30]. (d) Schematic illustration the iced-photochemical process for the preparation of atomically dispersed Pt catalysts. Reproduced from [31]. (e) Illustration of the syntheses of atomically dispersed metals. Reproduced from [32].