Table 3: Performance parameters of CdSe QDSSCs with electrolytes having various amounts of S. The electrolyte used: 0.5 M Na2S in ethanol/water (8 : 2 by volume).

S concentration in the electrolyte (mA/cm2) (V)Fill factor (%)Efficiency, (%)

0 M4.260.46036.00.71
0.1 M7.080.43543.01.32
0.2 M6.910.46035.01.11
0.5 M7.080.43039.01.19
1.0 M4.660.38528.00.50