Surfactant-Free Synthesis of Cube-Like PtRu Alloy Nanoparticles with Enhanced Electrocatalytic Activity Toward Formic Acid Oxidation
文献类型：期刊论文
| 作者 | Lu YZ ; Jiang YY ; Zhang RZ ; Chen W |
| 刊名 | science of advanced materials
 |
| 出版日期 | 2013 |
| 卷号 | 5期号:11页码:1718-1726 |
| 关键词 | FUEL-CELL CATALYSTS OXYGEN REDUCTION METAL NANOCRYSTALS CO ELECTROOXIDATION METHANOL PD SIZE NANOCUBES ADSORPTION |
| ISSN号 | 1947-2935 |
| 通讯作者 | chen w |
| 中文摘要 | surfactant-free, monodispersed and cube-like ptru bimetallic nanoparticles were successfully synthesized via a facile, one-step hydrothermal method. the morphology and the crystal structure of the as-prepared ptru nanoparticles were characterized by tem, xrd and xps. the electrochemical studies indicated that the ptru alloy nanocubes exhibit enhanced electrocatalytic activity toward formic acid oxidation with more negative onset potential, larger oxidation current density, and higher tolerance to co poisoning effect compared to the commercial pt/c catalyst in acidic media. the electron transfer kinetics of formic acid oxidation is elaborated with electrochemical impedance spectroscopic measurements. it was found that the diameter of the impedance arcs at the ptru alloy nanocubes is at least one order of magnitude smaller than that at the commercial pt/c catalyst, suggestive of lower charge-transfer resistance and thus, higher catalytic activity of the ptru alloy nanoparticles for formic acid oxidation. further xps and co stripping measurements demonstrated that the enhanced activity of the as-synthesized ptru nanocrystals could be ascribed to the bifunctional mechanism and the ligand effect. the present work highlights the facile synthesis of surfactant-free ptru bimetallic alloy nanocubes and their enhanced electrocatalytic performance which makes them potential candidates as anode catalysts in fuel cells. |
| 收录类别 | SCI收录期刊论文 |
| 语种 | 英语 |
| WOS记录号 | WOS:000327167100021 |
| 公开日期 | 2014-04-20 |
| 源URL | [http://ir.ciac.jl.cn/handle/322003/50459]  |
| 专题 | 长春应用化学研究所_长春应用化学研究所知识产出_期刊论文 |
| 推荐引用方式 GB/T 7714 | Lu YZ,Jiang YY,Zhang RZ,et al. Surfactant-Free Synthesis of Cube-Like PtRu Alloy Nanoparticles with Enhanced Electrocatalytic Activity Toward Formic Acid Oxidation[J]. science of advanced materials,2013,5(11):1718-1726. |
| APA | Lu YZ,Jiang YY,Zhang RZ,&Chen W.(2013).Surfactant-Free Synthesis of Cube-Like PtRu Alloy Nanoparticles with Enhanced Electrocatalytic Activity Toward Formic Acid Oxidation.science of advanced materials,5(11),1718-1726. |
| MLA | Lu YZ,et al."Surfactant-Free Synthesis of Cube-Like PtRu Alloy Nanoparticles with Enhanced Electrocatalytic Activity Toward Formic Acid Oxidation".science of advanced materials 5.11(2013):1718-1726. |
入库方式： OAI收割
来源：长春应用化学研究所
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