Effect of Mn Doping on Properties of CdS Quantum Dot-Sensitized Solar Cells

Figure 1

SEM images of (a) cross section of Mn-doped-CdS deposition of TiO₂ photoanode; (b) pure TiO₂ mesoporous film surface; (c) the surface of TiO₂ mesoporous film sensitized by CdS quantum dots; and (d) the surface of TiO₂ mesoporous film sensitized by Mn-doped-CdS quantum dots. Among them, the inset in the following two graphs is the corresponding EDS spectrum.

(a)

(b)

(c)

(d)