Congli Li, Qingmin Hu, Bin Zheng, Zhengxing Lv, Jiahui Yang, Xuling Guo, Zhitong Zhao, Lei Tang, Rufeng Tian, Qi Shi, Zhe Gao, Jinxiang Dong, Yue-Biao Zhang. "Two-coordinate Cu(I) sites in ZIF-derived porous carbon enable high CO working capacity for CO/N₂ separation." Nature Communications, 2026. doi:10.1038/s41467-026-75541-4