Bimetallic AuPt alloy nanodendrites/reduced graphene oxide: One-pot ionic liquid-assisted synthesis and excellent electrocatalysis towards hydrogen evolution and methanol oxidation reactions |
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| Authors: | Jiu-Ju Feng Li-Xian Chen Xiaohong Ma Junhua Yuan Jian-Rong Chen Ai-Jun Wang Quan-Qing Xu |
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| Affiliation: | 1. College of Chemistry and Life Science, College of Geography and Environmental Science, Zhejiang Normal University, Jinhua 321004, China;2. Faculty of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming 650050, China;3. State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China |
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| Abstract: | Herein, reduced graphene oxide supported well-dispersed bimetallic AuPt alloy nanodendrites (AuPt ANDs/rGO) were fabricated by a one-pot coreduction approach using ionic liquid (1-aminopropyl-3-methylimidazolium bromide, [APMIm]Br) as the stabilizer and capping agent. There is no any other polymer or seed involved. Characterized measurements include transmission electron microscopy (TEM), high angle annular dark-field scanning TEM (HAADF-STEM), X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). The typical samples displayed excellent electrocatalytic activity and durability towards hydrogen evolution reaction (HER) and methanol oxidation reaction (MOR) in contrast with Pt nanocrystals/rGO and commercial Pt/C (50%) catalysts, which make it promising for practical catalysis in energy conversion and storage. |
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| Keywords: | Nanodendrites Reduced graphene oxide Ionic liquid Hydrogen evolution reaction Methanol oxidation reaction |
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