Li Qiuyan, Wang Fan, Sun Linqiang, Jiang Zhe, Ye Tingting, Chen Meng, Bai Qiang, Wang Chao, Han Xiguang
1Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Department of Chemistry, School of Chemistry and Chemical Engineering, Jiangsu Normal University, Xuzhou, 221116 People's Republic of China.
2College of Materials Science and Engineering, Qingdao University of Science and Technology, Qingdao, 266042 People's Republic of China.
Nanomicro Lett. 2017;9(3):35. doi: 10.1007/s40820-017-0135-7. Epub 2017 Mar 1.
Non-spherical Cu@CuS yolk-shell structures are successfully obtained using CuO cube templates in a process combining rapid surface sulfidation followed by disproportionation of the CuO 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.
通过在盐酸溶液处理后，采用快速表面硫化随后CuO核歧化的过程，使用CuO立方体模板成功获得了非球形Cu@CuS蛋黄壳结构。通过采用上述方法，可以合成具有不同形态的Cu@CuS蛋黄壳结构，包括八面体、截顶八面体和立方八面体形状。中空结构内的空隙空间提供了一个独特的受限空间，壳核中存在的金属铜可以在此空间中免受团聚和氧化。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光催化性能明显提高。
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