Figure 2From: Realization of radial p-n junction silicon nanowire solar cell based on low-temperature and shallow phosphorus dopingCross-sectional SEM images of SiNW arrays. (a) As-prepared SiNW arrays with the length of approximately 5 μm. (b) SiNW arrays (1-μm length) covered with ITO. The inset is the corresponding high-magnification image.Back to article page