Table 7: Performance parameters of CdSe QDSSCs with and without TiO2 nanoparticles in the electrolyte. Electrolyte used: 0.5 M Na2S, 0.1 M S, 0.05 M GuSCN in ethanol/water (8 : 2 by volume).

CompositionTime (min) (mA/cm2) (V)Fill factor (%)Efficiency, (%)

0.5 M Na2S + 0.1 M S + 0.05 M GuSCN06.800.47044.01.41
1204.360.4041.00.72

0.5 M Na2S + 0.1 M S + 0.05 M GuSCN + 1 wt% TiO207.700.47538.01.39
1205.270.43045.01.02