Catalytic oxidation of glucose over highly stable AuxPdy NPs immobilised on ceria nanorods

Motaz Khawaji, Ines Graca, Ecaterina Ware, David Chadwick* (Corresponding Author)

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

The catalytic performance of AuxPdy nanoparticles prepared by colloidal synthesis and immobilised on ceria nanorods (Ce-NR) in the selective oxidation of glucose has been studied under initially basic and relatively mild conditions. Activity was found to be strongly dependent on the bimetallic composition with Au-rich catalysts being more active in glucose oxidation. Catalyst recycling revealed
negligible deactivation or metal loss from leaching, and continuing high selectivity to gluconic acid (≥97.7%). Defects on the Ce-NR surface appear to serve as anchoring sites for Au-Pd NPs giving rise to small and very stable NPs.
Original languageEnglish
JournalCatalysis Today
Early online date11 May 2020
DOIs
Publication statusE-pub ahead of print - 11 May 2020

Keywords

  • glucose
  • gold-palladium
  • ceria
  • oxidation
  • gluconic acid

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