Hierarchical Nanoparticle Ensembles Synthesized by Liquid Phase Directed Self-Assembly

被引：41
|
作者：
Fowlkes, J. D. [1 ]
Roberts, N. A. [2 ]
Wu, Y. [3 ]
Diez, J. A. [4 ]
Gonzalez, A. G. [4 ]
Hartnett, C. [5 ]
Mahady, K. [6 ]
Afkhami, S. [6 ]
Kondic, L. [6 ]
Rack, P. D. [1 ,3 ]
机构：
[1] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37381 USA
[2] Utah State Univ, Logan, UT 84322 USA
[3] Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA
[4] Univ Nacl Ctr Prov Buenos Aires, Inst Fis Arroyo Seco CIFICEN CONICET, RA-7000 Tandil, Argentina
[5] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA
[6] New Jersey Inst Technol, Dept Math Sci, Newark, NJ 07102 USA
来源：
NANO LETTERS | 2014年 / 14卷 / 02期
基金：
美国国家科学基金会;
关键词：
Self-assembly; directed assembly; Rayleigh-Plateau; volume-of-Fluid; hierarchical; nanoparticle assembly; BREAKUP; NANOSTRUCTURES;
D O I：
10.1021/nl404128d
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A liquid metal filament supported on a dielectric substrate was directed to fragment into an ordered, mesoscale particle ensemble. Imposing an undulated surface perturbation on the filament forced the development of a single unstable mode from the otherwise. disperse, multimodal Rayleigh Plateau instability. The imposed mode paved the way for a hierarchical spatial fragmentation of the filament into particles, previously seen only at much larger scales. Ultimately, nanoparticle radius control is demonstrated using a,micrometer scale switch.
引用
收藏
页码：774 / 782
页数：9
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