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Aqueous-Phase Synthesis of Sub 10 nm Pd-core@Pt-shell Nanocatalysts for Oxygen Reduction Reaction Using Amphiphilic Triblock Copolymers as the Reductant and Capping Agent
Zhang, Geng1,2; Shao, Zhi-Gang1; Lu, Wangting1,2; Xiao, Hui1,2; Xie, Feng1; Qin, Xiaoping1; Li, Jin1,2; Liu, Fuqiang3; Yi, Baolian1
刊名JOURNAL OF PHYSICAL CHEMISTRY C
2013-07-04
DOI10.1021/jp401375b
117期:26页:13413-13423
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
研究领域[WOS]Chemistry ; Science & Technology - Other Topics ; Materials Science
关键词[WOS]PLATINUM-MONOLAYER SHELL ; SHAPE-CONTROLLED SYNTHESIS ; ELECTROCATALYTIC ACTIVITY ; BIMETALLIC NANODENDRITES ; METHANOL OXIDATION ; CATALYTIC-ACTIVITY ; PARTICLE-SIZE ; FUEL-CELLS ; NANOPARTICLES ; NANOCRYSTALS
英文摘要Sub 10 nm Pd-core@Pt-shell nanocrystals (NCs) were prepared by a facile and green reduction method in aqueous solutions using commercially available and nontoxic poly(ethylene oxide)-poly(propylene oxide)-poly(ethylene oxide) amphiphilic triblock copolymers as the reductant, stabilizer, and capping agent. The growth mode and morphology of the Pt shell on the Pd surface can be adjusted simply by the Pt/Pd molar ratio. The activity of carbon-supported Pd@Pt NCs toward oxygen reduction reaction exhibited a Pt shell morphology dependence, with Pd-2@Pt-1 (Pt/Pd molar ratio 1/2) having the highest mass activity and Pd-1@Pt-2 (Pt/Pd molar ratio 2/1) having the best area-specific activity, and both of them were significantly enhanced in comparison with that of commercial Pt/C catalysts Moreover, single-fuel-cell testing indicated superior activity and durability of Pd-2@Pt-1 NCs, which made Pd-2@Pt-1 NCs promising cathode catalysts for fuel cell applications.
语种英语
WOS记录号WOS:000321542000010
引用统计
被引频次:35[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/137858
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Fuel Cell Syst & Engn Res Grp, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
3.Univ Texas Arlington, Dept Mat Sci & Engn, Electrochem Energy Lab, Arlington, TX 76019 USA
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Zhang, Geng,Shao, Zhi-Gang,Lu, Wangting,et al. Aqueous-Phase Synthesis of Sub 10 nm Pd-core@Pt-shell Nanocatalysts for Oxygen Reduction Reaction Using Amphiphilic Triblock Copolymers as the Reductant and Capping Agent[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2013,117(26):13413-13423.
APA Zhang, Geng.,Shao, Zhi-Gang.,Lu, Wangting.,Xiao, Hui.,Xie, Feng.,...&Yi, Baolian.(2013).Aqueous-Phase Synthesis of Sub 10 nm Pd-core@Pt-shell Nanocatalysts for Oxygen Reduction Reaction Using Amphiphilic Triblock Copolymers as the Reductant and Capping Agent.JOURNAL OF PHYSICAL CHEMISTRY C,117(26),13413-13423.
MLA Zhang, Geng,et al."Aqueous-Phase Synthesis of Sub 10 nm Pd-core@Pt-shell Nanocatalysts for Oxygen Reduction Reaction Using Amphiphilic Triblock Copolymers as the Reductant and Capping Agent".JOURNAL OF PHYSICAL CHEMISTRY C 117.26(2013):13413-13423.
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