Surface plasmon resonances in strongly coupled gold nanosphere chains from monomer to hexamer.
basic_science · Level V
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- Record sourced from PubMed, PMID 21879717.
- Also identified by DOI 10.1021/nl202080a.
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Abstract
We present experimental data on the light scattering properties of linear chains of gold nanoparticles with up to six nanoparticles and an interparticle spacing of 1 nm. A red shift of the surface plasmon resonance with increasing chain length is observed. An exponential model applied to the experimental data allows determination of an asymptotic maximum resonance at a chain length of 10-12 particles. The optical data are compared with analytical and numerical calculation methods (EEM and BEM).
Medical subject headings
- Gold
- Nanospheres
- Surface Plasmon Resonance