Hybrids of carbon nanotube forests and gold nanoparticles for improved surface plasmon manipulation

Taron Makaryan, Santiago Esconjauregui, Manuel Gonçalves, Junwei Yang, Hisashi Sugime, Dirk Nille, Pathabi Raman Renganathan, Pola Goldberg-Oppenheimer, John Robertson

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

We report the fabrication and characterization of hybrids of vertically-aligned carbon nanotube forests and gold nanoparticles for improved manipulation of their plasmonic properties. Raman spectroscopy of nanotube forests performed at the separation area of nanotube-nanoparticles shows a scattering enhancement factor of the order of 1 × 106. The enhancement is related to the plasmonic coupling of the nanoparticles and is potentially applicable in high-resolution scanning near-field optical microscopy, plasmonics, and photovoltaics.

Original languageEnglish
Pages (from-to)5344-5349
Number of pages6
JournalACS Applied Materials and Interfaces
Volume6
Issue number8
DOIs
Publication statusPublished - 2014 Apr 23
Externally publishedYes

Keywords

  • SERS
  • carbon nanotubes
  • gold nanoparticles
  • hybrid nanostructure

ASJC Scopus subject areas

  • Materials Science(all)

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