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 6
UV-Vis absorption spectra of dye extracts and corresponding photoanodes: (a) annatto, TiNT/TiO2 NP, and TiNT/TiO2 NP/annatto dye; (b) black plum, TiNT/TiO2 NP, and TiNT/TiO2 NP/black plum dye; (c) turmeric, TiNT/TiO2 NP, and TiNT/TiO2 NP/turmeric dye; (d) red spinach dye, TiNT/TiO2 NP, and TiNT/TiO2 NP/red spinach dye; and (e) cactus dye, TiNT/TiO2 NP, and TiNT/TiO2 NP/cactus dye. (Inset: photographs of corresponding dye sensitized photoanodes).
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