Abstract
Uniform trimetallic AuPtPd nanodendrites (NDs) were synthesized by a simple and quick method, using l-proline and ascorbic acid (AA) as eco-friendly structure-guiding agent and reducing agent, respectively. The obtained AuPtPd NDs displayed greatly enlarged electrochemically active surface area (27.65 m2 g−1metal) relative to home-made AuPt nanocrystals (NCs, 21.76 m2 g−1metal), AuPd NCs (3.91 m2 g−1metal), Pt black (20.88 m2 g−1metal) and Pd black (8.30 m2 g−1metal). For hydrogen evolution and oxygen reduction reactions, AuPtPd NDs showed excellent catalytic performances relative to the referenced catalysts. These results reveal the practical applications of the as-obtained catalyst in energy storage and conversion.
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