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Figure 4. (A) Fabrication process scheme for ZIS and Cd-ZIS photoanodes. Crystal structure and atomic configuration of ZIS viewed from the (110) plane, and Cd-ZIS viewed from the (110) plane; (B) The top view FESEM images of 5%Cd-ZIS nanosheet array photoanodes; (C) ABPE plots of ZIS and 5%Cd-ZIS; (D) Schematic illustration of the photocarrier dynamics mechanism achieving highly efficient PEC conversion for Cd-ZIS photoanode[21]. Copyright 2024, Wiley-VCH. ZIS: ZnIn2S4; Cd-ZIS: Cd-doped ZnIn2S4; PEC: photoelectrochemical; ABPE: applied bias photon-to-current efficiency; FESEM: field emission scanning electron microscope.
