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 1

The energy gap and size of QDs and QDSSC performance parameters for CdS QDs prepared using different precursor concentrations.

Precursor; concentration	QD band gap (eV)	Estimated QD diameter (nm)	𝐽SC (mA/cm^2)	𝑉OC (V)	Fill factor (%)	Efficiency, 𝜂 (%)
0.05 M	2.43	7.4	3.90	0.455	31.6	0.56
0.10 M	2.38	8.6	11.42	0.565	25.9	1.67
0.50 M	2.53	5.9	8.12	0.445	32.0	1.16
1.00 M	2.63	5.1	8.21	0.540	31.0	1.37