Surfactant-Induced Postsynthetic Modulation of Pd Nanoparticle Crystallinity
文献类型：期刊论文
| 作者 | Liu Y(刘艺) ; Wang C(王超); Wei YJ(魏宇杰); Zhu LY; Li DG; Jiang J; Markovic NM
|
| 刊名 | Nano Letters
 |
| 出版日期 | 2011 |
| 卷号 | 11期号:4页码:1614-1617 |
| 通讯作者邮箱 | chaowang@anl.gov; ssun@brown.edu |
| 关键词 | Palladium Nanoparticle Surfactant Exchange Nanoparticle Structure Crystallinity Modulation Shape-Controlled Synthesis Controlled-Release Nanocrystals Chemistry Gold Au Monodisperse Nanowires Ag Cu |
| ISSN号 | 1530-6984 |
| 产权排序 | [Wang, Chao; Zhu, Leyi; Li, Dongguo; Jiang, JSamuel; Markovic, Nenad M; Stamenkovic, Vojislav R] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA; [Liu, Yi; Li, Dongguo; Sun, Shouheng] Brown Univ, Dept Chem, Providence, RI 02912 USA; [Wei, Yujie] Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China |
| 通讯作者 | Wang, C (reprint author), Argonne Natl Lab, Div Mat Sci, 9700 S Cass Ave, Argonne, IL 60439 USA |
| 合作状况 | 国际 |
| 中文摘要 | Modulation of Pd nanoparticle (NP) crystallinity is achieved by switching the surfactants of different binding strengths. Pd NPs synthesized in the presence of weak binding surfactants. such as oleylamine possess polyhedral shapes and a polycrystalline nature. When oleylamine is substituted by trioctylphosphine, a much stronger binding surfactant, the particles become spherical and their crystallinity cleciease significantly. Moreover, the Pd NPs reconvert their polycrystalline structure when the surfactant is switched back to oleylarnine. Through control experiments and molecular dynamics simulation, we propose that this unusual nanocrystallinity transition induced, by surfactant exchange was resulted from a counterbalance between the surfactant binding energy and the nanncrystal adhesive energy. The findings represent a novel postsynthetic approach to tailoring the structure and corresponding functional performance of nanomaterials. |
| 学科主题 | Chemistry; Science & Technology - Other Topics; Materials Science; Physics |
| 分类号 | 一类 |
| 类目[WOS] | Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter |
| 研究领域[WOS] | Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics |
| 关键词[WOS] | SHAPE-CONTROLLED SYNTHESIS ; CONTROLLED-RELEASE ; NANOCRYSTALS ; CHEMISTRY ; GOLD ; AU ; MONODISPERSE ; NANOWIRES ; AG ; CU |
| 收录类别 | SCI ; EI |
| 资助信息 | This project was supported in part by ExxonMobil. The work conducted at Argonne National Laboratory (a U.S. Department of Energy, Office of Science Laboratory, operated by UChicago Argonne, LLC, under Contract No. DE-AC02-06CH11357) was sponsored by the U.S. Department of Energy, Office of Basic Energy Science. Y.W. acknowledges the support from the Chinese Academy of Sciences under the "Hundred Talent Program". |
| 原文出处 | http://dx.doi.org/10.1021/nl104548g |
| 语种 | 英语 |
| WOS记录号 | WOS:000289341500038 |
| 公开日期 | 2012-04-01 |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/44937]  |
| 专题 | 力学研究所_非线性力学国家重点实验室 |
| 推荐引用方式 GB/T 7714 | Liu Y,Wang C,Wei YJ,et al. Surfactant-Induced Postsynthetic Modulation of Pd Nanoparticle Crystallinity[J]. Nano Letters,2011,11(4):1614-1617. |
| APA | 刘艺.,王超.,魏宇杰.,Zhu LY.,Li DG.,...&Markovic NM.(2011).Surfactant-Induced Postsynthetic Modulation of Pd Nanoparticle Crystallinity.Nano Letters,11(4),1614-1617. |
| MLA | 刘艺,et al."Surfactant-Induced Postsynthetic Modulation of Pd Nanoparticle Crystallinity".Nano Letters 11.4(2011):1614-1617. |
入库方式： OAI收割
来源：力学研究所
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