Eosin Yellowish Dye-Sensitized ZnO Nanostructure-Based Solar Cells Employing Solid PEO Redox Couple Electrolyte

Figure 6

(a1-a2) Typical SEM images of ZnO nanoparticles, (b1–b3) nanoflowers under different magnifications, and (c1–c3) short- and long-sized hexagonal shaped ZnO nanorods.