Table 1 Performance of SiNW solar cells with α-Si:H layers deposited under 15-W plasma power
SiNW | 0.51-μm SiNW | 0.85-μm SiNW | ||||||
---|---|---|---|---|---|---|---|---|
Plasma power (W) | 15 | 15 | ||||||
Deposition time of α-Si:H (min) | 0 | 10 | 20 | 30 | 0 | 10 | 20 | 30 |
J (mA cm−2) | 22.8 | 27.3 | 23.5 | 21.1 | 21.0 | 25.6 | 22.7 | 20.7 |
Voc (V) | 0.33 | 0.37 | 0.46 | 0.50 | 0.31 | 0.33 | 0.39 | 0.43 |
FF | 0.61 | 0.64 | 0.67 | 0.67 | 0.61 | 0.63 | 0.67 | 0.69 |
η (%) | 4.59 | 6.46 | 7.24 | 7.07 | 3.97 | 5.32 | 5.93 | 6.14 |