High Improvement in Conversion Efficiency of μc-SiGe Thin-Film Solar Cells with Field-Enhancement Layers

Figure 4

(a) QE spectra of the μc-Si_0.9Ge_0.1:H solar cell without FEL and (b) with FEL of 200 nm at a reverse bias of 0 and −0.5 V.

(a)

(b)