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Bimetallic Cu-Pd alloy multipods and their highly electrocatalytic performance for formic acid oxidation and oxygen reduction
Chen, Dong1,2; Sun, Pengcheng1; Liu, Hui1,3; Yang, Jun1,2,3
2017
发表期刊JOURNAL OF MATERIALS CHEMISTRY A
ISSN2050-7488
卷号5期号:9页码:4421-4429
摘要

Shape-controlled synthesis of bimetallic nanomaterials is critical to the improvement of their catalytic performance for a given catalytic reaction. In this work, we demonstrate a simple and effective approach for the synthesis of bimetallic Cu-Pd alloy multipods mainly consisting of tripods, tetrapods, pentapods, and hexapods via combining the galvanic replacement reaction (GRR) between pre-synthesized Cu template nanoparticles and Pd2+ ion precursors with the reduction of the Cu2+ ions generated in the GRR by oleylamine. Benefiting simultaneously from their unique multipod structure with abundant active edges/corner atoms, electron transfer from Cu to Pd in alloys that enhances their CO tolerance, and the lattice contraction of Pd imposed by Cu, which weakens the binding strength between Pd and reaction intermediates, these Cu-Pd alloy multipods show remarkable improvement of their electrocatalytic performance not only for the oxidation of formic acid but also for the reduction of oxygen when benchmarked against spherical Cu-Pd alloy nanoparticles and commercial Pd/C catalysts. The strategy in this work may provide a method to synthesize other bimetallic alloy multipods to achieve specific functions for various applications.

文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1039/c6ta10476b
收录类别SCI
语种英语
关键词[WOS]Nanoparticles ; Nanocrystals ; Nanodendrites ; Nanoframes ; Catalyst ; Surface ; Nanosheets ; Stability ; Growth ; Hollow
WOS研究方向Chemistry ; Energy & Fuels ; Materials Science
WOS类目Chemistry, Physical ; Energy & Fuels ; Materials Science, Multidisciplinary
项目资助者National Natural Science Foundation of China(21376247 ; Center for Mesoscience, Institute of Process Engineering, Chinese Academy of Sciences(COM2015A001) ; 21506225 ; 21573240)
WOS记录号WOS:000395926100021
引用统计
被引频次:40[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21993
专题多相复杂系统国家重点实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, Ctr Mesosci, Beijing 100190, Peoples R China
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GB/T 7714
Chen, Dong,Sun, Pengcheng,Liu, Hui,et al. Bimetallic Cu-Pd alloy multipods and their highly electrocatalytic performance for formic acid oxidation and oxygen reduction[J]. JOURNAL OF MATERIALS CHEMISTRY A,2017,5(9):4421-4429.
APA Chen, Dong,Sun, Pengcheng,Liu, Hui,&Yang, Jun.(2017).Bimetallic Cu-Pd alloy multipods and their highly electrocatalytic performance for formic acid oxidation and oxygen reduction.JOURNAL OF MATERIALS CHEMISTRY A,5(9),4421-4429.
MLA Chen, Dong,et al."Bimetallic Cu-Pd alloy multipods and their highly electrocatalytic performance for formic acid oxidation and oxygen reduction".JOURNAL OF MATERIALS CHEMISTRY A 5.9(2017):4421-4429.
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