Fano-like interference in self-assembled plasmonic quadrumer clusters.
basic_science · Level V
Where this comes from
- Record sourced from PubMed, PMID 20923179.
- Also identified by DOI 10.1021/nl1029732.
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Abstract
Assemblies of strongly interacting metallic nanoparticles are the basis for plasmonic nanostructure engineering. We demonstrate that clusters of four identical spherical particles self-assembled into a close-packed asymmetric quadrumer support strong Fano-like interference. This feature is highly sensitive to the polarization of the incident electric field due to orientation-dependent coupling between particles in the cluster. This structure demonstrates how careful design of self-assembled colloidal systems can lead to the creation of new plasmonic modes and the enabling of interference effects in plasmonic systems.
Medical subject headings
- Models, Chemical
- Nanostructures
- Refractometry
- Surface Plasmon Resonance