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Multiphoton laser direct writing of two-dimensional silver structures.

Authors
  • Baldacchini, Tommaso
  • Pons, Anne-Cécile
  • Pons, Josefina
  • Lafratta, Christopher
  • Fourkas, John
  • Sun, Yong
  • Naughton, Michael
Type
Published Article
Journal
Optics Express
Publisher
The Optical Society
Publication Date
Feb 21, 2005
Volume
13
Issue
4
Pages
1275–1280
Identifiers
PMID: 19495000
Source
Medline
License
Unknown

Abstract

We report a novel and efficient method for the laser direct writing of two-dimensional silver structures. Multiphoton absorption of a small fraction of the output of a Ti:sapphire oscillator is sufficient to photoreduce silver nitrate in a thin film of polyvinylpyrrolidone that has been spin-coated on a substrate. The polymer can then be washed away, leaving a pattern consisting of highly interconnected silver nanoparticles. We report the characterization of the silver patterns using scanning electron and atomic force microscopies, and demonstrate the application of this technique in the creation of diffraction gratings.

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