Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Nanoparticle-containing structures as a substrate for surface-enhanced Raman scattering.

Christopher J Addison1, Alexandre G Brolo

  • 1Department of Chemistry, University of Victoria, P.O. Box 3065, Victoria, British Columbia V8W 3V6, Canada.

Langmuir : the ACS Journal of Surfaces and Colloids
|October 4, 2006
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Convolutional Autoencoder for Automated Pre-Processing of Tumor Cell and Tissue Raman Spectra.

Applied spectroscopy·2026
Same author

Modelling of immune infiltration in prostate cancer treated with HDR-brachytherapy using Raman spectroscopy and machine learning.

Scientific reports·2025
Same author

Engineering SrTiO<sub>3</sub> Nanostructures for Enhanced Photocatalytic Performance: Unveiling the Influence of Titanium Precursors and Synthesis Temperature.

ACS omega·2025
Same author

Factors that Affect Quantification in Surface-Enhanced Raman Scattering.

ACS nano·2025
Same author

Celebrating 50 Years of Surface Enhanced Spectroscopy.

ACS omega·2024
Same author

Surface-enhanced Raman spectroscopy: a half-century historical perspective.

Chemical Society reviews·2024
Same journal

Controlled Secondary Growth of CAU-1-NH<sub>2</sub> Membranes with Improved CO<sub>2</sub> Separation Performance.

Langmuir : the ACS journal of surfaces and colloids·2026
Same journal

Facile Fabrication and Stable Mechanism of a Microscale Heavy Calcium Carbonate Suspension.

Langmuir : the ACS journal of surfaces and colloids·2026
Same journal

Polycationic Biocidal Coatings: The Mechanism of Their Interaction with Cells.

Langmuir : the ACS journal of surfaces and colloids·2026
Same journal

Atomic-Scale Displacement in Ordered SmMnO<sub>3</sub> Nanoislands.

Langmuir : the ACS journal of surfaces and colloids·2026
Same journal

Vacancy Defect Modulated Interfacial Thermal Transport and Phonon Localization in AlGaN/GaN Heterojunctions.

Langmuir : the ACS journal of surfaces and colloids·2026
Same journal

Immobilization of Ytterbium via Polyphenol Chemistry on Implant Materials for Enhanced Cytocompatibility and Antibacterial Properties.

Langmuir : the ACS journal of surfaces and colloids·2026
See all related articles

Researchers tuned metallic nanostructures for enhanced surface-enhanced Raman scattering (SERS). By adjusting gold nanoparticle depositions, optimal SERS signals were achieved for specific excitation wavelengths, enabling tailored sensing applications.

Area of Science:

  • Materials Science
  • Nanotechnology
  • Spectroscopy

Background:

  • Surface-enhanced Raman scattering (SERS) offers high sensitivity for molecular detection.
  • Controlling metallic nanostructure morphology is crucial for optimizing SERS performance.
  • Gold nanoparticles (AuNPs) are widely used due to their plasmonic properties.

Purpose of the Study:

  • To synthesize and characterize gold nanoparticle (AuNP) nanostructures with controllable deposition numbers.
  • To investigate the surface-enhanced Raman scattering (SERS) of oxazine 720 on these nanostructures.
  • To determine the optimal number of AuNP depositions for maximum SERS enhancement at different excitation wavelengths.

Main Methods:

  • Alternate immersion of derivatized glass slides in gold nanoparticle solutions and propanedithiol linker.

Related Experiment Videos

  • Synthesis of nanostructures with 1-17 gold nanoparticle depositions.
  • Characterization using UV-vis spectroscopy and atomic force microscopy.
  • SERS measurements of oxazine 720 at 632 nm and 785 nm excitation wavelengths.

    • Main Results:

    • Synthesized gold nanostructures with varying numbers of nanoparticle depositions.
    • Observed maximum SERS enhancement for oxazine 720 at 9 depositions for 632 nm and 13 depositions for 785 nm excitation.
    • Demonstrated wavelength-dependent optimization of SERS enhancement.
    • Attributed differences to distinct aggregate structures excited by different wavelengths.

    Conclusions:

    • Metallic nanostructures can be precisely tuned for optimal SERS enhancement.
    • The number of gold nanoparticle depositions can be adjusted to match specific excitation wavelengths.
    • This tunability allows for the development of customized SERS substrates for targeted applications.