Abstract
In this work, zinc oxide nanoflakes (ZnONfs) were synthesized by an accessible electrodeposition method. A copper (Cu) foil was employed as support for growing the ZnONfs, and the Cu-ZnONfs junction was confirmed by electron microscopy. The ZnONfs were obtained with hexagonal-like morphology (average thickness under 50 nm). The analysis of photocatalytic activity under methylene blue (MB) degradation showed an enhancement of efficiency and resistivity through degradation cycles when the Cu-ZnONfs heterostructure was promoted. The chemical nature of Cu-ZnO heterostructure was studied by X-ray photoelectron spectroscopy finding a variation of oxygen vacancies due to the Cu substrate.
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