Influence of Surface Treatment and Annealing Temperature on the Recombination Processes of the Quantum Dots Solar Cells

Table 1

Photovoltaic performance parameters of the QDSSCs.

Number	QDSSCs	(mA/cm^2)	(V)	Fill factor; FF	Efficiency; (%)
1	TiO2/CdS/CdSe without ZnS	6.04	0.35	0.255	0.54
2	TiO2/CdS/CdSe/ZnS (1 layer)	7.03	0.39	0.26	0.72
3	TiO2/CdS/CdSe/ZnS (2 layers)	14	0.44	0.33	2.1
4	TiO2/CdS/CdSe/ZnS (3 layers)	7.85	0.48	0.36	1.38
5	TiO2/CdS/CdSe/ZnS (4 layers)	6.8	0.488	0.29	1.2
6	TiO2/CdS/CdSe/ZnS (5 layers)	5.53	0.475	0.27	1.0