Self-Assembly versus Directed Assembly of Nanoparticles via Pulsed Laser Induced Dewetting of Patterned Metal Films

被引：143
|
作者：
Fowlkes, Jason D. [1 ]
Kondic, Lou [2 ]
Diez, Javier [3 ]
Wu, Yueying [4 ]
Rack, Philip D. [1 ,4 ]
机构：
[1] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA
[2] New Jersey Inst Technol, Ctr Appl Math & Stat, Dept Math Sci, Newark, NJ 07102 USA
[3] Univ Nacl Ctr Prov Buenos Aires Pinto 399, Inst Fis Arroyo Seco, Fac Ciencias Exactas, RA-7000 Tandil, Argentina
[4] Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA
来源：
NANO LETTERS | 2011年 / 11卷 / 06期
基金：
美国国家科学基金会;
关键词：
Directed assembly; Rayleigh-Plateau; pulsed laser melting; nanoscale lithography; thin film dewetting; NANOSTRUCTURES; INSTABILITIES; DYNAMICS; WAVES;
D O I：
10.1021/nl200921c
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A nanoscale, synthetic perturbation was all that was required to nudge a natural, self-assembly process toward significantly higher order. Metallic thin film strips were transformed into nanoparticle arrays by nanosecond, liquid-phase dewetting. Arrays formed according to an evolving Rayleigh-Plateau instability, yet nanoparticle diameter and pitch were poorly controlled. However, by patterning a nanoscale sinusoid onto the original strip edge, a precise nanoparticle diameter and pitch emerged superseding the naturally evolving Rayleigh-Plateau instability.
引用
收藏
页码：2478 / 2485
页数：8
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