Li, Qiuyan, Fan Wang, Linqiang Sun, Zhe Jiang, Tingting Ye, Meng Chen, Qiang Bai, Chao Wang, and Xiguang Han. “Design and Synthesis of Cu@CuS Yolk–Shell Structures With Enhanced Photocatalytic Activity”. Nano-Micro Letters 9, no. 3 (March 1, 2017): 35. Accessed April 20, 2024. https://nmlett.org/index.php/nml/article/view/337.