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Related Experiment Video

Updated: Jun 1, 2026

Electrospray Deposition of Uniform Thickness Ge23Sb7S70 and As40S60 Chalcogenide Glass Films
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Electrospray Deposition of Uniform Thickness Ge23Sb7S70 and As40S60 Chalcogenide Glass Films

Published on: August 19, 2016

Long-term stable silver subsurface ion-exchanged glasses for SERS applications.

Anne Simo1, Virginia Joseph, Robert Fenger

  • 1Department of Chemistry, Humboldt-Universität zu Berlin, Berlin, Germany.

Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry
|June 1, 2011
PubMed
Summary
This summary is machine-generated.

Researchers developed silver subsurface ion-exchanged metal oxide (SIMO) glasses for enhanced Raman scattering. These stable SIMO glasses offer strong, reproducible surface-enhanced Raman scattering (SERS) activity, achieving enhancement factors of approximately 10^7.

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Last Updated: Jun 1, 2026

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Fabrication of polydimethylsiloxane (PDMS)-Based Flexible Surface-Enhanced Raman Scattering (SERS) Substrate for Ultrasensitive Detection

Published on: November 17, 2023

Area of Science:

  • Materials Science
  • Nanotechnology
  • Spectroscopy

Background:

  • Surface-enhanced Raman scattering (SERS) is a powerful analytical technique.
  • Developing stable and efficient SERS substrates is crucial for practical applications.
  • Metal oxide glasses offer potential as versatile platforms for SERS.

Purpose of the Study:

  • To report the formation of silver subsurface ion-exchanged metal oxide (silver SIMO) glasses.
  • To investigate the surface-enhanced Raman scattering (SERS) activity of these novel glasses.
  • To demonstrate the stability and reproducibility of the SERS enhancement.

Main Methods:

  • A three-step methodology combining thermal and chemical processes was employed for sample preparation.
  • Characterization techniques included transmission electron microscopy (TEM), atomic force microscopy (AFM), environmental electron scanning microscopy (ESEM), and UV/Vis spectroscopy.
  • SERS activity was evaluated by measuring Raman enhancement factors.

Main Results:

  • Silver SIMO glasses were successfully formed.
  • The prepared substrates demonstrated strong, reliable, and reproducible SERS enhancement.
  • Long-term stability of the SIMO glasses was confirmed.
  • Raman enhancement factors were estimated to be approximately 10^7.

Conclusions:

  • The developed three-step methodology yields highly effective SERS substrates.
  • Silver SIMO glasses provide excellent protection against contamination.
  • These stable and reproducible SERS substrates show significant potential for various analytical applications.