Doped Heterojunction Used in Quantum Dot Sensitized Solar Cell

Figure 1

SEM image of (a) a bare TiO₂ mesoporous film and (b) In-PbS/In-CdS sensitized TiO₂ mesoporous film; (c) a cross-section SEM image of a bare TiO₂ film; (d) the EDX spectra of In-PbS/In-CdS QD sensitized TiO₂ film.

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