Preparation of a SERS substrate using vacuum-synthesized silver nanoparticles

Noriko Horimoto, Nobuaki Ishikawa, Atsushi Nakajima

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

Vacuum-synthesized Ag nanoparticles were dispersed and immobilized on an organosilane-functionalized glass surface in water. Nearly spherical particles with diameters of ≈ 200 nm were used for a substrate for surface enhanced Raman scattering (SERS). Molecules deposited on this substrate in both gas and liquid phases were detected by SERS. The SERS efficiency of this substrate was compared with that of Ag colloidal substrate and the morphological difference of these SERS substrates was studied by scanning electron microscopy. The aggregates of 5-10 Ag nanoparticles formed at the spread area exhibited prominent SERS activity.

Original languageEnglish
Pages (from-to)78-83
Number of pages6
JournalChemical Physics Letters
Volume413
Issue number1-3
DOIs
Publication statusPublished - 2005 Sep 15
Externally publishedYes

Fingerprint

Silver
Raman scattering
silver
Vacuum
Raman spectra
Nanoparticles
nanoparticles
vacuum
preparation
Substrates
liquid phases
Gases
vapor phases
Glass
Scanning electron microscopy
scanning electron microscopy
Molecules
Water
glass
Liquids

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Spectroscopy
  • Atomic and Molecular Physics, and Optics
  • Surfaces and Interfaces
  • Condensed Matter Physics

Cite this

Preparation of a SERS substrate using vacuum-synthesized silver nanoparticles. / Horimoto, Noriko; Ishikawa, Nobuaki; Nakajima, Atsushi.

In: Chemical Physics Letters, Vol. 413, No. 1-3, 15.09.2005, p. 78-83.

Research output: Contribution to journalArticle

Horimoto, Noriko ; Ishikawa, Nobuaki ; Nakajima, Atsushi. / Preparation of a SERS substrate using vacuum-synthesized silver nanoparticles. In: Chemical Physics Letters. 2005 ; Vol. 413, No. 1-3. pp. 78-83.
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