Fig. 2From: ZnO Porous Nanosheets with Partial Surface Modification for Enhanced Charges Separation and High Photocatalytic Activity Under Solar IrradiationTEM images of BiVO4-modifying ZnO PNSs with different Bi/Zn molar ratios: a ZnO, b ZB_0.01, c ZB_0.05, and d ZB_0.2, showing the evolution of surface morphology as the increasing Bi/Zn molar ratioBack to article page