TiO₂/Chitosan-NH₄I(+I₂)-BMII-Based Dye-Sensitized Solar Cells with Anthocyanin Dyes Extracted from Black Rice and Red Cabbage

Figure 8

𝐽-𝑉 characteristics of the red cabbage DSSCs for sample (a) HCl as pH adjuster and 27.5 wt. % chitosan-22.5 wt. % NH₄I-50 wt. % BMII gel electrolyte, (b) tartaric acid as pH adjuster and 27.5 wt. % chitosan-22.5 wt. % NH₄I-50 wt. % BMII gel electrolyte, (c) HCl as pH adjuster and 11 wt. % chitosan-9 wt. % NH₄I-80 wt. % BMII gel electrolyte, (d) tartaric acid as pH adjuster and 11 wt. % chitosan-9 wt. % NH₄I-80 wt. % BMII gel electrolyte, (e) tartaric acid as pH adjuster and 11 wt. % (chitosan:PEO, wt. ratio 30 : 70)-9 wt. % NH₄I-80 wt. % BMII gel electrolyte, (f) tartaric acid as pH adjuster and 11 wt. % phthaloyl chitosan-9 wt. % NH₄I-80 wt. % BMII gel electrolyte and (g) tartaric acid as pH adjuster and 11 wt. % (chitosan:PEO, wt ratio 30 : 70)-9 wt. % NH₄I-80 wt. % BMII gel electrolyte.