J-V curves measured in the dark and at AM1.5 illumination for 0.51- and 0.85-μm SiNW solar cells. With α-Si:H passivation layer deposited at plasma power of 15 W (a) and 40 W (b). Dependence of open voltage and short current density plotted as a function of plasma power (c) and deposition time (d).
Li et al. Nanoscale Research Letters 2013 8:396 doi:10.1186/1556-276X-8-396