Improving Crystalline Silicon Solar Cell Efficiency Using Graded-Refractive-Index SiON/ZnO Nanostructures

Figure 3

SEM images of surface morphology of prepared SCs. (a) Tilted- and (b) top-view images of regular SC, (c) tilted- and (d) top-view images of SC-C, (e) tilted- and (f) top-view images of SC-B, and (g) tilted- and (h) top-view images of SC-A.

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