Glass Frit Dissolution Influenced by Material Composition and the Water Content in Iodide/Triiodide Electrolyte of Dye-Sensitized Solar Cells
Figure 4
Development of absorbance spectra during ageing of the reference cell (no GF) and the test cells with 5 and 10 wt% H2O added to the redox electrolyte. (a) Reference cell with no GF; no change in absorbance over time, (b) test cell with GF1 showing stable absorbance spectra over time, (c) test cell with GF2; notice the appearance of a new peak at 475 nm and the decrease in absorbance at lower wavelengths, (d) test cell with GF3 showing continuous decrease in absorbance over time, and (e) test cell with GF4 which is relatively stable over time.
