A Suitable Polysulfide Electrolyte for CdSe Quantum Dot-Sensitized Solar Cells

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	𝐽SC (mA/cm^2)	𝑉OC (V)	Fill factor (%)	Efficiency, 𝜂 (%)
0.1 M	2.07	0.405	37.0	0.31
0.4 M	2.66	0.420	23.0	0.26
0.5 M	4.26	0.460	36.0	0.71
0.6 M	2.32	0.410	23.0	0.22
0.75 M	2.35	0.350	33.0	0.27
1.0 M	3.04	0.445	21.0	0.28