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Abstract
Herein, a facile one-pot method is developed to prepare three-dimensional (3D) hierarchical AuPt alloy nanodendrites (AuPt NDs) with the assistance of poly(ionic liquid) as the green shape-regulator and stabilizer. The as-synthesized architectures show enlarged electrochemically active surface area, and enhanced maximum mass activity (3616 mA mg−1) for ethylene glycol oxidation reaction (EGOR) in alkaline media. Furthermore, the as-synthesized AuPt NDs exhibit superior catalytic activity and more positive onset potential (0.89 V vs. RHE) toward oxygen reduction reaction (ORR) in 0.1 M HClO4 via the four-electron pathway, owing to the unique nanostructures as well as the synergistic effects between Au and Pt.
Published Version
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