Asymmetrically coupled plasmonic core and nanotriplet satellites

Hanggochnuri Jo, Daesung Yoon, Ahrum Sohn, Dong Wook Kim, Yeonho Choi, Taewook Kang, Dukhyun Choi, Sang Woo Kim, Luke P. Lee

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Here, we report asymmetrical multiple electromagnetic coupling of plasmonic core and nanotriplet satellites. Within the plasmonic core and nanotriplet satellites, an enhanced local field is generated which expands across the core due to multiple electromagnetic coupling between a core and nanotriplets. Based on 3D simulations of our plasmonic nanosystem, the overall local field enhancement reaches to over 104 times, compared with that of a single nanoparticle array. A strong local field distribution across the core to nanotriplets as well as the critical role of the plasmonic core is demonstrated through the 3D simulations. It is proposed that a self-assembled nanotriplet array is completed through two stages of dewetting of a gold thin film on an anodic aluminum oxide (AAO) template. Formation of the core-nanotriplet satellites is significantly influenced by geometrical parameters (i.e., the pore diameter and depth) of the AAO template. Our experimental results show that the local field of our plasmonic nanostructures is amplified up to ∼110 times by adopting a core into the nanotriplet satellites, compared with that of the nanotriplets array without a core. This approach offers a promising strategy for creating an advanced nanoplasmonic platform with strong local field distribution and high-throughput production.

Original languageEnglish
Pages (from-to)18659-18667
Number of pages9
JournalJournal of Physical Chemistry C
Volume118
Issue number32
DOIs
Publication statusPublished - 2014 Aug 14

Fingerprint

Satellites
Electromagnetic coupling
Aluminum Oxide
Nanosystems
Aluminum
Oxides
electromagnetic coupling
Gold
Nanostructures
Throughput
templates
aluminum oxides
Nanoparticles
Thin films
drying
platforms
simulation
gold
porosity
nanoparticles

ASJC Scopus subject areas

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

Cite this

Jo, H., Yoon, D., Sohn, A., Kim, D. W., Choi, Y., Kang, T., ... Lee, L. P. (2014). Asymmetrically coupled plasmonic core and nanotriplet satellites. Journal of Physical Chemistry C, 118(32), 18659-18667. https://doi.org/10.1021/jp505024k

Asymmetrically coupled plasmonic core and nanotriplet satellites. / Jo, Hanggochnuri; Yoon, Daesung; Sohn, Ahrum; Kim, Dong Wook; Choi, Yeonho; Kang, Taewook; Choi, Dukhyun; Kim, Sang Woo; Lee, Luke P.

In: Journal of Physical Chemistry C, Vol. 118, No. 32, 14.08.2014, p. 18659-18667.

Research output: Contribution to journalArticle

Jo, H, Yoon, D, Sohn, A, Kim, DW, Choi, Y, Kang, T, Choi, D, Kim, SW & Lee, LP 2014, 'Asymmetrically coupled plasmonic core and nanotriplet satellites', Journal of Physical Chemistry C, vol. 118, no. 32, pp. 18659-18667. https://doi.org/10.1021/jp505024k
Jo, Hanggochnuri ; Yoon, Daesung ; Sohn, Ahrum ; Kim, Dong Wook ; Choi, Yeonho ; Kang, Taewook ; Choi, Dukhyun ; Kim, Sang Woo ; Lee, Luke P. / Asymmetrically coupled plasmonic core and nanotriplet satellites. In: Journal of Physical Chemistry C. 2014 ; Vol. 118, No. 32. pp. 18659-18667.
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