Spherical Sandwich Au@Pd@UIO-67/Pt@UIO-n (n = 66, 67, 69) Core-Shell Catalysts: Zr-Based Metal-Organic Frameworks for Effectively Regulating the Reverse Water-Gas Shift Reaction.

08:00 EDT 9th May 2019 | BioPortfolio

Summary of "Spherical Sandwich Au@Pd@UIO-67/Pt@UIO-n (n = 66, 67, 69) Core-Shell Catalysts: Zr-Based Metal-Organic Frameworks for Effectively Regulating the Reverse Water-Gas Shift Reaction."

In this study, spherical sandwich Au@Pd@UIO-67/Pt@UIO-n (n = 66, 67, 69) core-shell catalysts were assembled. Au nanoparticles (NPs) were used as the core for the epitaxial growth of Pd shells, and Au@Pd core-shell NPs were successfully encapsulated in the center of monodispersed Au@Pd@UIO-67 nanospheres. Pt NPs were fully fixed onto the nanosphere surfaces to obtain Au@Pd@UIO-67/Pt composites; further coating with UIO-n led to Au@Pd@UIO-67/Pt@UIO-n, in which Pt NPs are sandwiches between the Au@Pd@UIO-67 core and a UIO-n shell. The Au@Pd core-shell NPs efficiently controlled the morphology and structure of UIO-67 and enhanced the CO selectivity of the catalyst. Pt NPs increased the CO2 conversion, and the UIO-n component effectively regulated the reverse water-gas shift (RWGS) reaction.


Journal Details

This article was published in the following journal.

Name: ACS applied materials & interfaces
ISSN: 1944-8252


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