DOI: 10.1039/d6ta06513a ISSN: 2050-7488

Heterointerface-vacancy Co-engineering of V Se -NiSe 2 /CoSe 2 @C for efficient bifunctional over

Qiwei Gu, Yuntao Jie, Jia Liu, Ying Wang, Linna Sha, Meiling Xu, Xiguang Han

A hollow V Se -NiSe 2 /CoSe 2 @C heterostructure with built-in electric field and Se vacancies is designed, where CoSe 2 boosts H* adsorption and NiSe 2 accelerates OOH* → O 2 conversion, synergistically enhancing overall water splitting.

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