2D nanostructure of gold nanoparticles: An approach to SERS-active substrate

  • M. K. Hossain
  • , K. Shibamoto
  • , K. Ishioka
  • , M. Kitajima*
  • , T. Mitani
  • , S. Nakashima
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

Monolayer well-ordered close-packed 2D nanostructures of gold nanoparticles were fabricated without using any capping reagent or surfactant. The area of the 2D nanostructure obtained was as large as several 100 s μm2 to mm2. The individual gold nanoparticles of the 2D nanostructure are not in contact depicting the possible surface active site (i.e. hot site). The SERS-activity was measured by using crystal violet molecules adsorbed on the 2D nanostructure. The estimated enhancement was found as much as 108. Size-dependent SERS intensity of the well-ordered 2D nanostructures is discussed in detail.

Original languageEnglish
Pages (from-to)792-795
Number of pages4
JournalJournal of Luminescence
Volume122-123
Issue number1-2
DOIs
StatePublished - Jan 2007
Externally publishedYes

Keywords

  • 2D nanostructure
  • Crystal violet
  • Gold nanoparticles
  • Plasmon excitation
  • SERS

ASJC Scopus subject areas

  • Biophysics
  • Biochemistry
  • General Chemistry
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics

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