Directed assembly of one- and two-dimensional nanoparticle arrays from pulsed laser induced dewetting of square waveforms

Nicholas A. Roberts; Jason D. Fowlkes; Kyle Mahady; Shahriar Afkhami; Lou Kondic; Philip D. Rack

doi:10.1021/am400925h

Directed assembly of one- and two-dimensional nanoparticle arrays from pulsed laser induced dewetting of square waveforms

Nicholas A. Roberts, Jason D. Fowlkes, Kyle Mahady, Shahriar Afkhami, Lou Kondic, Philip D. Rack

Mathematical Sciences

Research output: Contribution to journal › Article › peer-review

27 Scopus citations

Abstract

The directed assembly of arrayed nanoparticles is demonstrated by dictating the flow of a liquid phase filament on the nanosecond time scale. Results for the assembly of Ni nanoparticles on SiO₂ are presented. Previously, we have implemented a sinusoidal perturbation on the edge of a solid phase Ni, thin film strip to tailor nanoparticle assembly. Here, a nonlinear square waveform is explored. This waveform made it possible to expand the range of nanoparticle spacing-radius combinations attainable, which is otherwise limited by the underlying Rayleigh-Plateau type of instability. Simulations of full Navier-Stokes equations based on volume of fluid method were implemented to gain further insight regarding the nature of instability mechanism leading to particle formation in experiments.

Original language	English (US)
Pages (from-to)	4450-4456
Number of pages	7
Journal	ACS Applied Materials and Interfaces
Volume	5
Issue number	10
DOIs	https://doi.org/10.1021/am400925h
State	Published - May 22 2013

All Science Journal Classification (ASJC) codes

General Materials Science

Keywords

directed assembly
pulsed laser induced dewetting

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10.1021/am400925h

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abstract = "The directed assembly of arrayed nanoparticles is demonstrated by dictating the flow of a liquid phase filament on the nanosecond time scale. Results for the assembly of Ni nanoparticles on SiO2 are presented. Previously, we have implemented a sinusoidal perturbation on the edge of a solid phase Ni, thin film strip to tailor nanoparticle assembly. Here, a nonlinear square waveform is explored. This waveform made it possible to expand the range of nanoparticle spacing-radius combinations attainable, which is otherwise limited by the underlying Rayleigh-Plateau type of instability. Simulations of full Navier-Stokes equations based on volume of fluid method were implemented to gain further insight regarding the nature of instability mechanism leading to particle formation in experiments.",

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AU - Roberts, Nicholas A.

AU - Fowlkes, Jason D.

AU - Mahady, Kyle

AU - Afkhami, Shahriar

AU - Kondic, Lou

AU - Rack, Philip D.

PY - 2013/5/22

Y1 - 2013/5/22

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AB - The directed assembly of arrayed nanoparticles is demonstrated by dictating the flow of a liquid phase filament on the nanosecond time scale. Results for the assembly of Ni nanoparticles on SiO2 are presented. Previously, we have implemented a sinusoidal perturbation on the edge of a solid phase Ni, thin film strip to tailor nanoparticle assembly. Here, a nonlinear square waveform is explored. This waveform made it possible to expand the range of nanoparticle spacing-radius combinations attainable, which is otherwise limited by the underlying Rayleigh-Plateau type of instability. Simulations of full Navier-Stokes equations based on volume of fluid method were implemented to gain further insight regarding the nature of instability mechanism leading to particle formation in experiments.

KW - directed assembly

KW - pulsed laser induced dewetting

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Directed assembly of one- and two-dimensional nanoparticle arrays from pulsed laser induced dewetting of square waveforms

Abstract

All Science Journal Classification (ASJC) codes

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