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

被引：146

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

页码：2478 / 2485

页数：8

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