Core–shell Au/CeO2 nanoparticles supported in UiO-66 beads exhibiting full CO conversion at 100 °C

A. Yazdi; A. Abo Markeb; L. Garzón-Tovar; J. Patarroyo; J. Moral-Vico; A. Alonso; A. Sánchez; N. Bastus; I. Imaz; X. Font; V. Puntes; D. Maspoch

doi:10.1039/C7TA03006A

Core–shell Au/CeO₂ nanoparticles supported in UiO-66 beads exhibiting full CO conversion at 100 °C†

A. Yazdi,

^a A. Abo Markeb,^b L. Garzón-Tovar,

^a J. Patarroyo,

^a J. Moral-Vico,^b A. Alonso,*^b A. Sánchez,^b N. Bastus,

^a I. Imaz,

^a X. Font,^b V. Puntes

*^acd and D. Maspoch

*^ad

Author affiliations

* Corresponding authors

^a Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC, The Barcelona Institute of Science and Technology, Campus UAB, Bellaterra, 08193 Barcelona, Spain
E-mail: victor.puntes@icn2.cat, daniel.maspoch@icn2.cat

^b Department of Chemical, Biological and Environmental Engineering, Escola d'Enginyeria, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
E-mail: Amanda.Alonso@uab.cat

^c Vall, d'Hebron Institut de Recerca (VHIR), Barcelona, Spain

^d ICREA, Pg. Lluís Companys 23, 08010 Barcelona, Spain

Abstract

Hybrid core–shell Au/CeO₂ nanoparticles (NPs) dispersed in UiO-66 shaped into microspherical beads are created using the spray-drying continuous-flow method. The combined catalytic properties of nanocrystalline CeO₂ and Au in a single particle and the support and protective function of porous UiO-66 beads make the resulting composites show good performances as catalysts for CO oxidation (T₅₀ = 72 °C; T₁₀₀ = 100 °C) and recyclability.

Journal of Materials Chemistry A

Core–shell Au/CeO₂ nanoparticles supported in UiO-66 beads exhibiting full CO conversion at 100 °C†

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Core–shell Au/CeO₂ nanoparticles supported in UiO-66 beads exhibiting full CO conversion at 100 °C

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Journal of Materials Chemistry A