Impacts of Temperature on the Stability of Tropical Plant Pigments as Sensitizers for Dye Sensitized Solar Cells

Figure 2

(a) The absorption spectra of the extracts of Melastoma malabathricum, Hibiscus rosa-sinensis, and Codiaeum variegatum in original and acidified extract and (b) absorption spectra of Melastoma malabathricum, Hibiscus rosa-sinensis, and Codiaeum variegatum dye onto TiO₂ film.

(a)

(b)