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

Figure 8

FESEM images of (a) bare TiO₂ film surface, (b) TiO₂ film with CdS(4), and (c) TiO₂ film with CdSe(7); HR-TEM images of (d) bare TiO₂ film surface, (e) TiO₂ film with CdS(4), and (f) TiO₂ film with CdSe(7); EDX result of (g) TiO₂ film with CdS(4) and (h) TiO₂ film with CdSe(7); (i) FESEM image of TiO₂ film with CdS produced with high dipping cycles.

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