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

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).

Composition	Time (min)	𝐽SC (mA/cm^2)	𝑉OC (V)	Fill factor (%)	Efficiency, 𝜂 (%)
0.5 M Na2S + 0.1 M S + 0.05 M GuSCN	0	6.80	0.470	44.0	1.41
	120	4.36	0.40	41.0	0.72
0.5 M Na2S + 0.1 M S + 0.05 M GuSCN + 1 wt% TiO2	0	7.70	0.475	38.0	1.39
	120	5.27	0.430	45.0	1.02