Shape-Dependent CO₂ Hydrogenation to Methanol over Cu₂O Nanocubes Supported on ZnO.

ABSTRACT: The hydrogenation of CO₂ to methanol over Cu/ZnO-based catalysts is highly sensitive to the surface composition and catalyst structure. Thus, its optimization requires a deep understanding of the influence of the pre-catalyst structure on its evolution under realistic reaction conditions, including the formation and stabilization of the most active sites. Here, the role of the pre-catalyst shape (cubic vs spherical) in the activity and selectivity of ZnO-supported Cu nanoparticles was investigated during methanol synthesis. A combination of ex situ, in situ, and operando microscopy, spectroscopy, and diffraction methods revealed drastic changes in the morphology and composition of the shaped pre-catalysts under reaction conditions. In particular, the roundin

SUBMITTER: Kordus D 

PROVIDER: S-EPMC9912329 | biostudies-literature | 2023 Feb

REPOSITORIES: biostudies-literature