fig3
Figure 3. (A) SEM image of 3D nanorod ZnO[44]. Copyright 2018 Springer; (B) COFs-based porous photoelectrochemical with 3D hierarchical structure for CO2 reduction[30]. Copyright 2020 Elsevier; (C) TEM image of CdS/VS-MoS2 and (D) catalytic performance of CdS/VS-MoS2-PS[49]. Copyright 2023 Elsevier. SEM: Scanning electron microscopy; 3D: three-dimensional; COFs: covalent organic frameworks; TEM: transmission electron microscopy.
