Enhancement of Electron Transfer Efficiency in Solar Cells Based on PbS QD/N719 Dye Cosensitizers

Figure 1

(a) SEM image of bare TiO₂ mesoporous film and (b) SEM image of PbS QDs-coated TiO₂ mesoporous film, where SILAR cycles are 2 cycles. EDX image of PbS QDs/TiO₂ mesoporous film which is contained (b).

(a)

(b)