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(Color online) Schematic of upstanding nanorod (a) and flowerlike (b) arrays shined under light.
(Color online) SEM images of the ZnO-nanorod array (a) and nanoflower film (b) grown on FTO substrates by hydrothermal synthesis, and XRD patterns of films of ZnO nanorods (c) and ZnO nanoflowers (d).
Current-voltage characteristics for solar cells constructed using ZnO nanorods and ZnO nanoflowers under dark and under illumination (light) with AM1.5G simulator. Inset table: DSSCs performance (, , FF, and PCE) taken from the characteristics under illumination for both nanorod and nanoflower based cells.
Absorptions of solutions containing dye (cross) and dyes detached from the ZnO-nanoflower (filled circle) and ZnO-nanorod (filled triangle) films (both with area) in a with KOH. Inset: Reflectances of ZnO-nanoflower and ZnO-nanorod films before and after dye loading.
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