Non-spherical Cu@CuS yolk–shell structures are successfully obtained using Cu₂O cube templates in a process combining rapid surface sulfidation followed by disproportionation of the Cu₂O core upon treatment with a hydrochloric acid solution. By employing the above method, Cu@CuS yolk–shell structures with different morphologies, including octahedral, truncated octahedral, and cuboctahedral shapes, can be synthesized. The void space within the hollow structures provides a unique confined space, where the metallic copper present in the core of a shell can be protected from agglomeration and oxidation. Furthermore, the presence of metal copper in these hollow structures contributes to improvement in the photocatalytic properties of these materials. The application of these Cu@CuS structures indeed shows clearly improved photocatalytic performance.

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非球形的Cu @ CuS卵黄壳结构是使用Cu ₂ O立方体模板成功地获得的，该过程结合了快速的表面硫化和Cu ₂歧化的过程用盐酸溶液处理后的O核。通过采用上述方法，可以合成具有不同形态（包括八面体，截头八面体和立方八面体形状）的Cu @ CuS卵黄壳结构。中空结构内的空隙空间提供了一个独特的封闭空间，可以保护壳核中存在的金属铜免于结块和氧化。此外，这些中空结构中金属铜的存在有助于改善这些材料的光催化性能。这些Cu @ CuS结构的应用确实显示出明显改善的光催化性能。

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