Efficient Purification of Auto-Exhaust Soot Particles Using Hexagonal Fe₂O₃ Nanosheets Decorated with Non-Noble Metals (Ni).

ABSTRACT: Purification of soot particles from automobile exhaust has closely to do with the synergistic effect between catalyst metals. Here, several binary Ni-Fe oxide catalysts were elaborately prepared via a modified solvothermal method. A non-noble-metal (Ni)-modified hexagonal Fe₂O₃ nano-sheet catalyst (Ni-Fe₂O₃) was prepared. The introduced heteroatoms replace some of the Fe atoms, which take up the surface of the [FeO₆] octahedron, and the synergistic effect formed between the heteroatoms which are on the surface and the adjacent Fe atoms promotes the formation of coordination unsaturated ions of the activated reactants. The optimal performance was obtained with the Ni-Fe₂O₃-20 composition, with catalytic soot oxidat

SUBMITTER: Guo H 

PROVIDER: S-EPMC11820007 | biostudies-literature | 2025 Feb

REPOSITORIES: biostudies-literature