CuO/β-Ga2O3 hybrid structures with β-Ga2O3 nanorods coated with CuO nanoparticle layers were successfully synthesized by a multi-cycle dipping and annealing process method. Compared with bare β-Ga2O3 nanorods, the CuO/β-Ga2O3 hybrid structures had greatly enhanced and dramatically broadened responses to light in the range from the near-ultraviolet to visible light. This novel synthetic pathway will provide new possibilities to prepare nanomaterials that integrate oxide heterojunctions for photodetection applications.
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