Fig. 2
Transmission electron micrograph of (a) undoped ZnO (b) Mg/ZnO (c) Cu/ZnO (d) Sn/ZnO
Fig. 2 | Sustainable Environment Research
Transmission electron micrograph of (a) undoped ZnO (b) Mg/ZnO (c) Cu/ZnO (d) Sn/ZnO