Figure 2: SIMS analysis of chlorine diffusion.
From: In-depth analysis of chloride treatments for thin-film CdTe solar cells

(a) SIMS profiles of chlorine content as-grown (black), MgCl2 (red), CdCl2 (turquoise), KCl (white) and NaCl (blue)-treated CdTe solar cells with (b) schematic showing the respective position of measurement data within CdTe cell structure.