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  Plasmon coupling in self-assembled gold nanoparticle-based honeycomb islands

Scheeler, S., Mühlig, S., Rockstuhl, C., Bin Hasan, S., Ullrich, S., Neubrech, F., et al. (2013). Plasmon coupling in self-assembled gold nanoparticle-based honeycomb islands. The Journal of Physical Chemistry C, 117(36), 18634-18641. doi:10.1021/jp405560t.

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 Creators:
Scheeler, Sebastian1, Author              
Mühlig, Stefan, Author
Rockstuhl, Carsten, Author
Bin Hasan, Shakeeb, Author
Ullrich, Simon1, Author              
Neubrech, Frank, Author
Kudera, Stefan, Author
Pacholski, Claudia1, 2, Author              
Affiliations:
1Cellular Biophysics, Max Planck Institute for Medical Research, Max Planck Society, ou_2364731              
2Biophysical Chemistry, Institute of Physical Chemistry, University of Heidelberg, 69120 Heidelberg, Germany, ou_persistent22              

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 Abstract: Metallic nanostructures that sustain plasmonic resonances are indispensable ingredients for many functional devices. Whereas structures fabricated with top-down methods entail the advantage of a nearly unlimited control over all plasmonic properties, they are in most cases unsuitable for a low cost fabrication on large surfaces; and eventually a truly nanometric size domain is difficult to reach due to limitations in the fabrication resolution. Although ordinary bottom-up techniques based on colloidal nanolithography promise to lift these limitations, they often suffer from their incapability to self-assemble nanoparticles at large surfaces and at a density necessary to observe effects that strongly deviate from those of isolated nanoparticles. Here, we rely on the application of sequential bottom-up fabrication steps to realize honeycomb structures from gold nanoparticles that show strong extinction bands in the near-infrared. The extraordinary properties are only facilitated by densely packing the nanoparticles into clusters with a finite size; causing the clusters to act as plasmonic macromolecules. These strongly interacting bottom-up materials with a deterministic geometry but fabricated by self-assembly might be of use in future sensing applications and in material platforms to mediate strong light–matter-interactions.

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Language(s): eng - English
 Dates: 2013-08-132013-06-052013-08-132013
 Publication Status: Published in print
 Pages: 8
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1021/jp405560t
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Title: The Journal of Physical Chemistry C
  Abbreviation : J. Phys. Chem. C
Source Genre: Journal
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Publ. Info: Washington, D.C. : American Chemical Society
Pages: - Volume / Issue: 117 (36) Sequence Number: - Start / End Page: 18634 - 18641 Identifier: ISSN: 1932-7447
CoNE: https://pure.mpg.de/cone/journals/resource/954926947766