Nanostructured ZnO, CuO, and CuO/ZnO Composites: A Comparative Study of Photoelectrochemical Performance

Key Points

• CuO/ZnO nanocomposites exhibit enhanced photoelectrochemical performance compared to individual components, indicating significant potential for solar energy conversion.
• The hydrothermal growth method efficiently produces ZnO nanorods, which provide a suitable foundation for CuO nanoparticle deposition, optimizing the composites' effectiveness.
• Experimental results reveal that the two-step synthesis process leads to superior charge separation, enhancing photocurrent density in the produced nanocomposites.
• Implications of this study could pave the way for advancements in renewable energy technologies through improved material synthesis techniques.