DNA-templating mass production of gold trimer rings for optical metamaterials

Ryoko Watanabe-Tamaki, Atsushi Ishikawa, Takuo Tanaka, Tamotsu Zako, Mizuo Maeda

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Mass production of trimer rings consisting of 20 nm gold nanoparticles by using DNA template is demonstrated. Three kinds of DNA-monoconjugated gold nanoparticles are programmed to self-assemble into a trimer ring structure with nanoscale gaps through simple hybridization process. Self-assembled gold trimer rings are immobilized on a centimeter-scale quartz substrate to investigate their optical properties by the far-field transmission spectroscopy. Quantitative characterization of the gold trimer rings by atomic force microscope measurements reveals that 43% of gold nanoparticles keep forming the ring configuration on the substrate after the immobilizing process. In the far-field transmission spectroscopy, the trimer ring sample clearly exhibits two absorption dips in the visible spectrum, while monomer one has a single dip. The experimental results are in good agreement with the corresponding numerical simulations, proving that the unique spectral feature for the trimer ring arises from the hybridization of plasmon resonances of gold nanoparticles. The plasmonic responses of gold nanoparticle assemblies can be entirely controlled by designing DNA templates and thus may open up a novel approach for the realization of large-scale optical metamaterials.

Original languageEnglish
Pages (from-to)15028-15033
Number of pages6
JournalJournal of Physical Chemistry C
Volume116
Issue number28
DOIs
Publication statusPublished - Jul 19 2012
Externally publishedYes

Fingerprint

Metamaterials
trimers
Gold
DNA
deoxyribonucleic acid
gold
rings
Nanoparticles
nanoparticles
far fields
templates
Spectroscopy
Quartz
ring structures
Substrates
visible spectrum
assemblies
spectroscopy
Microscopes
quartz

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Electronic, Optical and Magnetic Materials
  • Surfaces, Coatings and Films
  • Energy(all)

Cite this

Watanabe-Tamaki, R., Ishikawa, A., Tanaka, T., Zako, T., & Maeda, M. (2012). DNA-templating mass production of gold trimer rings for optical metamaterials. Journal of Physical Chemistry C, 116(28), 15028-15033. https://doi.org/10.1021/jp302363v

DNA-templating mass production of gold trimer rings for optical metamaterials. / Watanabe-Tamaki, Ryoko; Ishikawa, Atsushi; Tanaka, Takuo; Zako, Tamotsu; Maeda, Mizuo.

In: Journal of Physical Chemistry C, Vol. 116, No. 28, 19.07.2012, p. 15028-15033.

Research output: Contribution to journalArticle

Watanabe-Tamaki, R, Ishikawa, A, Tanaka, T, Zako, T & Maeda, M 2012, 'DNA-templating mass production of gold trimer rings for optical metamaterials', Journal of Physical Chemistry C, vol. 116, no. 28, pp. 15028-15033. https://doi.org/10.1021/jp302363v
Watanabe-Tamaki R, Ishikawa A, Tanaka T, Zako T, Maeda M. DNA-templating mass production of gold trimer rings for optical metamaterials. Journal of Physical Chemistry C. 2012 Jul 19;116(28):15028-15033. https://doi.org/10.1021/jp302363v
Watanabe-Tamaki, Ryoko ; Ishikawa, Atsushi ; Tanaka, Takuo ; Zako, Tamotsu ; Maeda, Mizuo. / DNA-templating mass production of gold trimer rings for optical metamaterials. In: Journal of Physical Chemistry C. 2012 ; Vol. 116, No. 28. pp. 15028-15033.
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