Related Experiment Video
Updated: Jun 1, 2026
09:00
Evaluating Plasmonic Transport in Current-carrying Silver Nanowires
Published on: December 11, 2013
Plasmon-mediated photopolymerization maps plasmon fields for silver nanoparticles
Kevin G Stamplecoskie1, Natalia L Pacioni, Dayle Larson
1Department of Chemistry, Centre for Catalysis Research and Innovation, University of Ottawa, 10 Marie Curie, Ottawa, Ontario K1N 6N5, Canada.
Journal of the American Chemical Society
|May 28, 2011
Summary
Visible light exposure of silver nanoparticle (AgNP) films initiates selective polymer cross-linking. This process creates a solubility switch, preserving nanoparticle-morphology through polymer encapsulation for nanostructure mapping.
Area of Science:
- Materials Science
- Nanotechnology
- Polymer Chemistry
Background:
- Silver nanoparticles (AgNPs) exhibit unique plasmonic properties.
- Polymerization can be initiated by light in the presence of specific initiators.
- Controlling nanostructure morphology is crucial for advanced material applications.
Purpose of the Study:
- To investigate the selective cross-linking of polymers using the plasmonic field of AgNPs.
- To demonstrate a method for preserving nanoparticle morphology within a polymer matrix.
- To develop a solubility switch based on light-induced cross-linking.
Main Methods:
- Fabrication of thin films containing silver nanoparticles (AgNPs), an azo free radical initiator (AIBN), and triacrylate.
- Exposure of the film to visible light to induce localized cross-linking.
- Development of the film using ethanol to remove uncross-linked polymer.
- Characterization of the resulting nanostructures and encapsulated nanoparticles.
Main Results:
- Visible light selectively cross-linked the triacrylate within the plasmonic region around AgNPs.
- The cross-linked polymer exhibited reduced solubility, acting as a solubility switch.
- Polymer-encapsulated AgNPs were preserved on the surface after development.
- An 8-10 nm polymer structure effectively mapped and preserved the plasmon field morphology.
Conclusions:
- AgNP plasmonic fields can precisely control polymer cross-linking with visible light.
- This technique enables the creation of polymer-encapsulated nanostructures that retain plasmonic field information.
- The developed method offers a pathway for fabricating AgNP-controlled nanostructures with preserved morphology.
