Fabrication, Characterization, and Optimization of CdS and CdSe Quantum Dot-Sensitized Solar Cells with Quantum Dots Prepared by Successive Ionic Layer Adsorption and Reaction

Table 3

The energy gap and size of QDs and QDSSC performance parameters for CdS QDs prepared from various SILAR cycles.

Number of; dipping cycles	Band gap energy (eV)	Estimated QD diameter (nm)	𝐽SC (mA/cm^2)	𝑉OC (V)	Fill factor (%)	Efficiency, 𝜂 (%)
1	2.85	4.0	1.18	0.335	44.3	0.18
2	2.80	4.2	6.09	0.485	31.6	0.93
3	2.60	5.3	9.10	0.510	31.7	1.47
4	2.38	8.6	11.42	0.565	25.9	1.67
5	2.40	8.1	9.80	0.525	28.1	1.45
7	2.40	8.1	6.37	0.505	33.8	1.09
10	2.40	8.1	4.62	0.480	30.1	0.67