Silver nanostructures: From individual dots to coupled strips for the tailoring of SERS excitation wavelength from near-UV to near-IR

Yevgeniya Kalachyova, Oleksiy Lyutakov, Martin Kostejn, Martin Clupek, Vaclav Svorcik

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

In this paper, we report the preparation of silver nanostructures with plasmon absorption peaks tuned by the metal arrangement. Silver nanostructures were prepared by sputtering onto a patterned polymer surface. A surface polymer grating was achieved by modification with an excimer laser. Depending on the amount of deposited silver, randomly distributed silver dots or coupled silver wires were obtained. The plasmon absorption shifted from 500 to 800 nm for a configuration of random dots to that of coupled wires, respectively. Prepared samples were used as substrates for surface enhanced Raman scattering (SERS) excited by near-UV and near-IR wavelengths. The absorption peak position and SERS response strongly depended on the silver arrangement.

Original languageEnglish
Pages (from-to)288-294
Number of pages7
JournalElectronic Materials Letters
Volume11
Issue number2
DOIs
Publication statusPublished - 1 Mar 2015
Externally publishedYes

Fingerprint

Silver
Raman scattering
Nanostructures
Wavelength
Polymers
Wire
Excimer lasers
Sputtering
Metals
Substrates

Keywords

  • dots
  • ordered strips
  • SERS
  • silver

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials

Cite this

Silver nanostructures : From individual dots to coupled strips for the tailoring of SERS excitation wavelength from near-UV to near-IR. / Kalachyova, Yevgeniya; Lyutakov, Oleksiy; Kostejn, Martin; Clupek, Martin; Svorcik, Vaclav.

In: Electronic Materials Letters, Vol. 11, No. 2, 01.03.2015, p. 288-294.

Research output: Contribution to journalArticle

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