Characterizations of Chitosan-Based Polymer Electrolyte Photovoltaic Cells

Figure 4

Current density versus voltage characteristics under illumination for (a) ITO/TiO₂/55 wt.% chitosan+45 wt.%   NH₄I/ITO, (b) ITO/TiO₂/33 wt.% chitosan+27 wt.%   NH₄I+40 wt.% EC/ITO, (c) ITO/TiO₂/betalain dye (callus of Celosia plumosa)/27.5 wt.% chitosan+22.5 wt.%   NH₄I+50 wt.% BMII/ITO, and (d) ITO/TiO₂/anthocyanin dye (blackrice)/27.5 wt.% chitosan+22.5 wt.%   NH₄I+50 wt.% BMII/ITO.