Research Article

Synthesis of Porous Octahedral ZnO/CuO Composites from Zn/Cu-Based MOF-199 and Their Applications in Visible-Light-Driven Photocatalytic Degradation of Dyes

Figure 4

SEM observations of (a1) Cu-BTC, (b1) Zn-BTC, (c1) Zn/Cu-BTC, (a2) CuO, (b2) ZnO, and (c2) ZnO/CuO; (d1) TEM observation of ZnO/CuO; (d2) HR-TEM of ZnO and CuO region.