New pathway to prepare surface-enhanced Raman scattering-active silver nanoparticles based on electrochemical methods

Kuang Hsuan Yang, Yu Chuan Liu, Ting C. Hsu, Ming Y. Juang

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

In this work, we report a new strategy to prepare silver (Ag) nanoparticles (NPs) from bulk Ag substrates. First, positively charged Ag ions were prepared by electrochemical methods in 0.1 N HNO3 aqueous solutions. Then the solutions were heated from room temperature to 100 °C at a heating rate of 6 °C/min to prepare Ag nanoparticles. The average particle size of the prepared Ag NPs with predominant (111) face is ca. 10 nm. Experimental results indicate that the prepared Ag (111) nanoparticles in solutions are surface-enhanced Raman scattering (SERS)-active, which are examined by probe molecules of Rhodamine 6G.

Original languageEnglish
Pages (from-to)497-499
Number of pages3
JournalMaterials Letters
Volume64
Issue number4
DOIs
Publication statusPublished - Feb 28 2010
Externally publishedYes

Fingerprint

Silver
Raman scattering
silver
Raman spectra
Nanoparticles
nanoparticles
rhodamine
Heating rate
Particle size
Ions
aqueous solutions
Molecules
heating
probes
room temperature
Substrates
molecules
ions
Temperature

Keywords

  • Nanomaterials
  • Surfaces

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

New pathway to prepare surface-enhanced Raman scattering-active silver nanoparticles based on electrochemical methods. / Yang, Kuang Hsuan; Liu, Yu Chuan; Hsu, Ting C.; Juang, Ming Y.

In: Materials Letters, Vol. 64, No. 4, 28.02.2010, p. 497-499.

Research output: Contribution to journalArticle

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