Fig. 2From: Stimulated generation of photobiogas by morphologically tuned nanostructured ZnO and ZnO/TiO2SEM images of a ZnO (no CA), b ZnO/TiO2 (no CA), c ZnO/TiO2 (AC AC), EDX of d ZnO (no CA), e ZnO/TiO2 (no CA), and f ZnO/TiO2 (AC AC) respectivelyBack to article page