Bimetallic Ag-hollow Pt heterodimers via inside-out migration of Ag in core-shell Ag-Pt nanoparticles at elevated temperature
文献类型：期刊论文
| 作者 | Liu, Hui1,2; Yang, Jun1 |
| 刊名 | JOURNAL OF MATERIALS CHEMISTRY A
 |
| 出版日期 | 2014 |
| 卷号 | 2期号:19页码:7075-7081 |
| 关键词 | OXYGEN REDUCTION REACTION STABILIZED PLATINUM NANOPARTICLES AU-FE3O4 NANOPARTICLES NOBLE-METALS MONOLAYER ELECTROCATALYSTS GOLD NANOPARTICLES SELECTIVE GROWTH AU NANOPARTICLES FACILE SYNTHESIS SINGLE-CRYSTAL |
| ISSN号 | 2050-7488 |
| 其他题名 | J. Mater. Chem. A |
| 中文摘要 | Bimetallic heterodimers often exhibit unique and superior properties different from each of the constituent materials due to the synergistic effect between the two component metals. Herein, we present the synthesis of bimetallic heterodimers consisting of Ag and hollow structured Pt nanoparticles (Ag-hPt) through a structural transformation at elevated temperature. In this strategy, core-shell Ag-Pt nanoparticles are first prepared and, subsequently, converted into bimetallic Ag-hPt heterodimers via the inside-out migration of Ag in core-shell Ag-Pt nanoparticles. The heat treatment at elevated temperature is employed to promote the inside-out diffusion of Ag from the core region of the core-shell nanoparticles. The resulting bimetallic Ag-hPt heterodimers display significantly different optical and catalytic properties from their core-shell Ag-Pt nanoparticle precursors. The synthetic technique and mechanistic understanding may provide new opportunities to design and fabricate heterogeneous nanostructures with interesting physicochemical properties. |
| 英文摘要 | Bimetallic heterodimers often exhibit unique and superior properties different from each of the constituent materials due to the synergistic effect between the two component metals. Herein, we present the synthesis of bimetallic heterodimers consisting of Ag and hollow structured Pt nanoparticles (Ag-hPt) through a structural transformation at elevated temperature. In this strategy, core-shell Ag-Pt nanoparticles are first prepared and, subsequently, converted into bimetallic Ag-hPt heterodimers via the inside-out migration of Ag in core-shell Ag-Pt nanoparticles. The heat treatment at elevated temperature is employed to promote the inside-out diffusion of Ag from the core region of the core-shell nanoparticles. The resulting bimetallic Ag-hPt heterodimers display significantly different optical and catalytic properties from their core-shell Ag-Pt nanoparticle precursors. The synthetic technique and mechanistic understanding may provide new opportunities to design and fabricate heterogeneous nanostructures with interesting physicochemical properties. |
| WOS标题词 | Science & Technology ; Physical Sciences ; Technology |
| 类目[WOS] | Chemistry, Physical ; Energy & Fuels ; Materials Science, Multidisciplinary |
| 研究领域[WOS] | Chemistry ; Energy & Fuels ; Materials Science |
| 关键词[WOS] | OXYGEN REDUCTION REACTION ; STABILIZED PLATINUM NANOPARTICLES ; AU-FE3O4 NANOPARTICLES ; NOBLE-METALS ; MONOLAYER ELECTROCATALYSTS ; GOLD NANOPARTICLES ; SELECTIVE GROWTH ; AU NANOPARTICLES ; FACILE SYNTHESIS ; SINGLE-CRYSTAL |
| 收录类别 | SCI |
| 原文出处 | |
| 语种 | 英语 |
| WOS记录号 | WOS:000334835800048 |
| 公开日期 | 2014-08-28 |
| 版本 | 出版稿 |
| 源URL | [http://ir.ipe.ac.cn/handle/122111/10934]  |
| 专题 | 过程工程研究所_研究所（批量导入） |
| 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, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | Liu, Hui,Yang, Jun. Bimetallic Ag-hollow Pt heterodimers via inside-out migration of Ag in core-shell Ag-Pt nanoparticles at elevated temperature[J]. JOURNAL OF MATERIALS CHEMISTRY A,2014,2(19):7075-7081. |
| APA | Liu, Hui,&Yang, Jun.(2014).Bimetallic Ag-hollow Pt heterodimers via inside-out migration of Ag in core-shell Ag-Pt nanoparticles at elevated temperature.JOURNAL OF MATERIALS CHEMISTRY A,2(19),7075-7081. |
| MLA | Liu, Hui,et al."Bimetallic Ag-hollow Pt heterodimers via inside-out migration of Ag in core-shell Ag-Pt nanoparticles at elevated temperature".JOURNAL OF MATERIALS CHEMISTRY A 2.19(2014):7075-7081. |
入库方式： OAI收割
来源：过程工程研究所
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