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Crown Jewel-Structured Au/Pd Nanoclusters as Novel Catalysts for Aerobic Glucose Oxidation

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Abstract:

Low-coordination Au sites have been proved to play a key role in defining the catalytic activity of Au nanoclusters (NCs). At the present time, it is still of great interest and challenge to design and synthesize catalysts containing the desired amount of low-coordinated Au atoms by a simple, easy, and large-scale method. In this study, PVP-protected ‘crown jewel’-structured Au/Pd (CJ-Au/Pd) catalyst containing an abundance of top Au atoms were prepared by redox replacement reaction between Pd NCs and Au3+ ions. The catalytic activity of the CJ-Au/Pd NCs for aerobic glucose oxidation is about 3 times higher than that of the Au/Pd alloy NCs prepared by alcohol reduction method, although all of these NCs possess almost the same particle size.

Document Type: Research Article

DOI: https://doi.org/10.1166/jnn.2013.7463

Publication date: 2013-08-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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