Research Article

Crystalline Silicon Solar Cells with Thin Silicon Passivation Film Deposited prior to Phosphorous Diffusion

Figure 4

Cross-sectional TEM images of (a) the a-Si film deposited by PECVD and (b) the poly-Si film formed by crystallization of a-Si after going through a high-temperature diffusion process.
491475.fig.004a
(a)
491475.fig.004b
(b)