Table 2: Performance parameters of CdSe QDSSCs with electrolytes having various amounts of Na2S in ethanol/water (8 : 2 by volume) solution.

Na2S concentration in the electrolyte (mA/cm2) (V)Fill factor (%)Efficiency, (%)

0.1 M2.070.40537.00.31
0.4 M2.660.42023.00.26
0.5 M4.260.46036.00.71
0.6 M2.320.41023.00.22
0.75 M2.350.35033.00.27
1.0 M3.040.44521.00.28