Designing Highly Efficient Cu₂O-CuO Heterojunction CO Oxidation Catalysts: The Roles of the Support Type and Cu₂O-CuO Interface Effect.

ABSTRACT: In this work, a series of Cu₂O/S (S = α-MnO₂, CeO₂, ZSM-5, and Fe₂O₃) supported catalysts with a Cu₂O loading amount of 15% were prepared by the facile liquid-phase reduction deposition-precipitation strategy and investigated as CO oxidation catalysts. It was found that the Cu₂O/α-MnO₂ catalyst exhibits the best catalytic activity for CO oxidation. Additionally, a series of Cu₂O-CuO/α-MnO₂ heterojunctions with varied proportion of Cu⁺/Cu²⁺ were synthesized by further calcining the pristine Cu₂O/α-MnO₂ catalyst. The ratio of the Cu⁺/Cu²⁺ could be facilely regulated by controlling the calcination temperature. It is wor

SUBMITTER: Zhao F 

PROVIDER: S-EPMC9457833 | biostudies-literature | 2022 Aug

REPOSITORIES: biostudies-literature