Sb₂S₃ Quantum-Dot Sensitized Solar Cells with Silicon Nanowire Photoelectrode

Figure 5

SEM images for the synthesized QD/Si coaxial nanowire array after various CBD cycles: (a) 1 CBD cycle, (b) 2 CBD cycles, (c) 3 CBD cycles, and (d) 4 CBD cycles. Scale bar = 1 μm.

(a)

(b)

(c)

(d)