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 Concept Videos

You might also read

Related Articles

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

Sort by
Same author

DES formulation for recycling synthetic fibre textile waste containing elastane.

Waste management (New York, N.Y.)·2026
Same author

Mid-Infrared Sensing and Ultrafast Photoresponse in Silicon-Based Plasmonic Detectors.

ACS photonics·2026
Same author

Revealing Buried Thermal Responses in Polymer Multilayers Using Photothermal Mirror Infrared Spectroscopy.

Applied spectroscopy·2026
Same author

Isolation and characterization of extracellular vesicles from human milk for potential use as a dietary supplement in clinical research with preterm infants.

Frontiers in nutrition·2026
Same author

Si<sub>3</sub>N<sub>4</sub> Microring Resonator-Based Refractive Index Sensing for Liquid Samples: Comparing Wavelength Scanning and Fixed-Wavelength Probing.

ACS measurement science au·2026
Same author

Investigating Spectral Biomarker Candidates for Migratory Potential in Cancer Cells Using Micro-FTIR and O‑PTIR Spectroscopy.

ACS measurement science au·2026

Related Experiment Video

Updated: May 6, 2026

Author Spotlight: Advances in Nanoscale Infrared Spectroscopy to Explore Multiphase Polymeric Systems
06:54

Author Spotlight: Advances in Nanoscale Infrared Spectroscopy to Explore Multiphase Polymeric Systems

Published on: June 23, 2023

1.5K

Double-layered nanoparticle stacks for surface enhanced infrared absorption spectroscopy.

Johannes Srajer1, Andreas Schwaighofer, Georg Ramer

  • 1Austrian Institute of Technology GmbH, AIT, Donau-City Str. 1, 1220 Vienna, Austria. C.Nowak@ait.ac.at.

Nanoscale
|November 6, 2013
PubMed
Summary

Double-layered nanoparticle stacks on gold surfaces significantly boost sensitivity in infrared microscopy. This plasmon resonance tuning enhances molecular absorption signals by over a million times.

More Related Videos

Surface Enhanced Raman Spectroscopy Detection of Biomolecules Using EBL Fabricated Nanostructured Substrates
11:44

Surface Enhanced Raman Spectroscopy Detection of Biomolecules Using EBL Fabricated Nanostructured Substrates

Published on: March 20, 2015

24.5K
Author Spotlight: Advancements and Applications in Nanoparticle Synthesis Through Laser Ablation in Liquids
06:15

Author Spotlight: Advancements and Applications in Nanoparticle Synthesis Through Laser Ablation in Liquids

Published on: June 16, 2023

2.8K

Related Experiment Videos

Last Updated: May 6, 2026

Author Spotlight: Advances in Nanoscale Infrared Spectroscopy to Explore Multiphase Polymeric Systems
06:54

Author Spotlight: Advances in Nanoscale Infrared Spectroscopy to Explore Multiphase Polymeric Systems

Published on: June 23, 2023

1.5K
Surface Enhanced Raman Spectroscopy Detection of Biomolecules Using EBL Fabricated Nanostructured Substrates
11:44

Surface Enhanced Raman Spectroscopy Detection of Biomolecules Using EBL Fabricated Nanostructured Substrates

Published on: March 20, 2015

24.5K
Author Spotlight: Advancements and Applications in Nanoparticle Synthesis Through Laser Ablation in Liquids
06:15

Author Spotlight: Advancements and Applications in Nanoparticle Synthesis Through Laser Ablation in Liquids

Published on: June 16, 2023

2.8K

Area of Science:

  • Nanotechnology
  • Spectroscopy
  • Materials Science

Background:

  • Absorption infrared microscopy is crucial for molecular analysis.
  • Enhancing sensitivity in this technique is a key challenge.
  • Nanoparticle-based plasmonics offers potential for signal amplification.

Purpose of the Study:

  • To investigate the use of double-layered nanoparticle stacks for enhanced infrared absorption microscopy.
  • To tune plasmon resonances for optimal molecular vibration coupling.
  • To quantify the signal enhancement achieved.

Main Methods:

  • Fabrication of double-layered stacks of gold and insulator nanoparticles on a gold surface.
  • Tuning plasmon resonance frequencies through nanoparticle morphology control.
  • Measuring absorption signals of molecules in the mid-infrared region.

Main Results:

  • Dramatic enhancement of sensitivity in absorption infrared microscopy.
  • Signal amplification factors up to approximately 2.2 × 10^6 achieved.
  • Preservation of molecular characteristic line-shapes demonstrated.

Conclusions:

  • Double-layered nanoparticle structures are highly effective for enhancing infrared absorption microscopy sensitivity.
  • Tunable plasmon resonances enable efficient coupling with molecular vibrations.
  • This approach offers a powerful tool for sensitive molecular detection and characterization.