Research Article

Performance of Natural Dye Extracted from Annatto, Black Plum, Turmeric, Red Spinach, and Cactus as Photosensitizers in TiO2NP/TiNT Composites for Solar Cell Applications

Figure 2

FESEM images of TiNT/TiO2 NP on FTO glass.
(a) Vertical view (~30 μm)
(b) Top view