Research Article
Improving Crystalline Silicon Solar Cell Efficiency Using Graded-Refractive-Index SiON/ZnO Nanostructures
Figure 1
Schematic device structures of SC-A (with SiON/ZnO NT arrays), SC-B (with ZnO NT arrays), SC-C (with ZnO NW arrays), and regular SC (with KOH-etched surface).