Yongjia Li, Enbo Zhu, Yu Chen, Dr. Chinyi Chiu, Hang Yu, Dr. Xiaoqing Huang, Prof. Robert Hicks and Prof. Yu Huang Gold Clusters Alloyed to Nanoporous Palladium Surfaces as Highly Active Bimetallic Oxidation Catalysts ChemSusChem 6
Gold rush: Nanoporous palladium particles are decorated with gold clusters by galvanic replacement. The bimetallic pPd@Au nanocatalysts feature a well-defined nanoporous morphology coupled to a highly accessible surface area with segregated Au clusters, and are highly active in both benzyl alcohol oxidation and formic acid electro-oxidation. The amount of Au in the catalyst system determines the extent of alloying as well as the accessibility to catalytically more active Pd surface atoms.
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