Zn‐Mediated Synthesis of Sub‐5 nm PtIr─Zn Nanocubes for Direct Ammonia Fuel Cells. - Lyu, Zhen‐Hua; Ma, Xinbo; Tang, Tang; Liu, Xiaozhi; Jiang, Zhe; Liu, Xuerui; Yao, Ze‐Cheng; Zhang, Libing; Fu, Jiaju; Ding, Liang; Shi, Zhuo‐Qi; Lu, Xiaoying; et al. (Angewandte Chemie, 2026)