Performance of Silicon Nanowire Solar Cells with Phosphorus-Diffused Emitters

Figure 3

Cross-sectional images and length of Si NWs etched for different time. (a) 30 s; (b) 60 s; (c) 90 s; (d) 120 s; (e) 150 s; (f) length of the Si NWs (𝐿) versus etching time (𝑡) curve.

(a)

(b)

(c)

(d)

(e)

(f)