DOI: 10.1039/d6ee04778e ISSN: 1754-5692

Facet-directed hydroxyl-rich surface environments stabilize iridium single atoms for efficient acidic water oxidation

Tianqing Yan, Kang Xue, Huayang Wang, Zhen-Feng Huang, Minhua Ai, Chengxiang Shi, Ruijie Gao, Lun Pan, Xiangwen Zhang, Ji-Jun Zou

Crystal facet engineering tailors a self-adaptive microenvironment for acidic OERs. The α-MnO 2 {100} facet forms a hydroxyl-rich interface that stabilizes Ir single atoms and lowers water-oxidation barriers, improving activity and stability.

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