Bimetallic AuPt alloy nanodendrites/reduced graphene oxide: One-pot ionic liquid-assisted synthesis and excellent electrocatalysis towards hydrogen evolution and methanol oxidation reactions

被引：50
作者：
Feng, Jiu-Ju [1 ]
Chen, Li-Xian [1 ]
Ma, Xiaohong [3 ]
Yuan, Junhua [1 ]
Chen, Jian-Rong [1 ]
Wang, Ai-Jun [1 ]
Xu, Quan-Qing [2 ]
机构：
[1] Zhejiang Normal Univ, Coll Chem & Life Sci, Coll Geog & Environm Sci, Jinhua 321004, Peoples R China
[2] Yunnan Normal Univ, Fac Chem & Chem Engn, Kunming 650050, Peoples R China
[3] Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2017年 / 42卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Nanodendrites; Reduced graphene oxide; Ionic liquid; Hydrogen evolution reaction; Methanol oxidation reaction; OXYGEN REDUCTION REACTIONS; ENHANCED CATALYTIC PERFORMANCE; FUEL-CELLS; FACILE SYNTHESIS; NANOSTRUCTURES SYNTHESIS; DIRECTED SYNTHESIS; NANOWIRE NETWORKS; ONE-STEP; PD-PT; NANOPARTICLES;
D O I：
10.1016/j.ijhydene.2016.08.066
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Herein, reduced graphene oxide supported well-dispersed bimetallic AuPt alloy nano dendrites (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. (C) 2016 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：1120 / 1129
页数：10
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