Superior Photocurrent of Quantum Dot Sensitized Solar Cells Based on PbS : In/CdS Quantum Dots

Figure 6

The - characteristics with different concentrations of PbS:In sensitized solar cell: Pb : In = 1 : 1 (■), Pb : In = 5 : 1 (▲), Pb : In = 10 : 1 (★), and Pb : In = 20 : 1 ().