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Title: Directed liquid phase assembly of highly ordered metallic nanoparticle arrays

Journal Article · · ACS Applied Materials and Interfaces
DOI:https://doi.org/10.1021/am500695h· OSTI ID:1162070
 [1];  [2];  [1];  [3];  [2];  [4];  [4];  [5]
  1. Univ. of Tennessee, Knoxville, TN (United States)
  2. New Jersey Inst. of Technology, Newark, NJ (United States)
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  4. Charles M. Bowden Research Laboratory, National Research Council - AMRDEC, Huntsville, AL (United States)
  5. Univ. of Tennessee, Knoxville, TN (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Directed assembly of nanomaterials is a promising route for the synthesis of advanced materials and devices. We demonstrate the directed-assembly of highly ordered two-dimensional arrays of hierarchical nanostructures with tunable size, spacing and composition. The directed assembly is achieved on lithographically patterned metal films that are subsequently pulse-laser melted; during the brief liquid lifetime, the pattened nanostructures assemble into highly ordered primary and secondary nanoparticles, with sizes below that which was originally patterned. Complementary fluid-dynamics simulations emulate the resultant patterns and show how the competition of capillary forces and liquid metal–solid substrate interaction potential drives the directed assembly. Lastly, as an example of the enhanced functionality, a full-wave electromagnetic analysis has been performed to identify the nature of the supported plasmonic resonances.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1162070
Journal Information:
ACS Applied Materials and Interfaces, Vol. 6, Issue 8; ISSN 1944-8244
Publisher:
American Chemical Society (ACS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 35 works
Citation information provided by
Web of Science

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Cited By (6)

Controllable femtosecond laser-induced dewetting for plasmonic applications: Controllable femtosecond laser-induced dewetting for plasmonic applications journal January 2016
The effect of different thickness alumina capping layers on the final morphology of dewet thin Ni films journal February 2018
Pulse laser-induced size-controllable and symmetrical ordering of single-crystal Si islands journal January 2018
Nanostructure Formation by controlled dewetting on patterned substrates: A combined theoretical, modeling and experimental study journal September 2016
Controllable Plasmonic Nanostructures induced by Dual-wavelength Femtosecond Laser Irradiation journal December 2017
High aspect ratio 10-nm-scale nanoaperture arrays with template-guided metal dewetting journal April 2015