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Related Experiment Video

Updated: Feb 12, 2026

Optical Trapping of Plasmonic Nanoparticles for In Situ Surface-Enhanced Raman Spectroscopy Characterizations

Optical Trapping of Plasmonic Nanoparticles for In Situ Surface-Enhanced Raman Spectroscopy Characterizations

Published on: June 23, 2022

Nanomaterial-Based Plasmon-Enhanced Infrared Spectroscopy.

Xiaoxia Yang^1,2, Zhipei Sun^3,4, Tony Low⁵

¹Division of Nanophotonics, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, China.

Advanced Materials (Deerfield Beach, Fla.)

|March 25, 2018

Summary

Surface-enhanced infrared absorption (SEIRA) spectroscopy offers sensitive molecular detection. Recent advances in plasmonic nanomaterials and nanostructures are driving progress in SEIRA applications.

Keywords:

graphene infrared spectroscopy nanostructure plasmons surface-enhanced spectroscopy

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Area of Science:

Nanotechnology
Spectroscopy
Materials Science

Background:

Surface-enhanced infrared absorption (SEIRA) spectroscopy shows promise for molecular trace sensing.
Developments in infrared plasmonic materials and nanostructures have fueled SEIRA research.

Purpose of the Study:

To review the progress and current state of SEIRA technology.
To discuss nanomaterials and configurations for efficient SEIRA.
To present future application perspectives.

Main Methods:

Review of scientific literature on SEIRA.
Discussion of plasmonic properties of various nanomaterials (metals, semiconductors, graphene).
Analysis of SEIRA configurations and their design.

Main Results:

Significant progress in SEIRA over past decades highlighted.
Variety of nanomaterials discussed for their SEIRA performance.
Efficient SEIRA configurations presented.

Conclusions:

SEIRA technology has advanced significantly.
Nanomaterials and nanostructures are key to efficient SEIRA.
Future applications include single-molecule detection and in vivo bioassays.