DOI: 10.1039/d6ta04221j ISSN: 2050-7488
Tailoring the functions of a Ru–NiSe 2 /NiFe 2 O 4 heterojunction for enhanced alkaline hydrogen
Jie Wu, Yiyuan Wang, Ke Yang, Xian Zhang, Wei Lian, Feifei Jia, Feng Gu, Huanyu Zhu, Zhiguang Guo, Mildred Quintana, Shaoxian Song, Hao YiA multiphase Ru–NiSe 2 /NiFe 2 O 4 heterojunction alleviates H*/OH* poisoning at Ru sites. The tailored Ru/NiSe 2 interface, with a downshifted d-band center, optimizes Ru–H* binding, while NiFe 2 O 4 scavenges OH* to free Ru sites for fast proton reduction.