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Related Concept Videos

Raman Spectroscopy Instrumentation: Overview01:26

Raman Spectroscopy Instrumentation: Overview

468
A conventional Raman spectrophotometer includes a laser source, a sample holding system, a wavelength selector, and a detector.
The monochromatic laser source, typically using visible or near-infrared radiation, generates a highly focused beam of light. This light interacts with the molecules of the sample, scattering some of the light. Liquid and gaseous samples are usually tested in ordinary glass capillaries, while solids can be analyzed as powders packed in capillaries or as potassium...
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Raman Spectroscopy: Overview01:20

Raman Spectroscopy: Overview

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The underlying principle of Raman spectroscopy is based on the interaction between light and matter, specifically molecules' inelastic scattering of photons. When a monochromatic beam of light, typically from a laser source, interacts with a sample, most scattered light has the same frequency as the incident light. This is known as Rayleigh scattering.
However, a small fraction of the scattered light exhibits a frequency shift due to the exchange of energy between the incident photons and...
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Related Experiment Video

Updated: Jul 26, 2025

Surface Enhanced Raman Spectroscopy Detection of Biomolecules Using EBL Fabricated Nanostructured Substrates
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Material design, development, and trend for surface-enhanced Raman scattering substrates.

Yue Ying1,2, Zhiyong Tang1,2, Yaling Liu1,2

  • 1CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China. liuyl@nanoctr.cn.

Nanoscale
|June 19, 2023
PubMed
Summary
This summary is machine-generated.

Surface-enhanced Raman scattering (SERS) relies on SERS substrates for chemical fingerprinting. This review details advancements in SERS-active nanomaterials and their enhancement mechanisms.

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Area of Science:

  • Spectroscopy
  • Materials Science
  • Nanotechnology

Background:

  • Surface-enhanced Raman scattering (SERS) offers non-invasive chemical fingerprinting.
  • SERS signal quality is highly dependent on substrate properties.
  • Developing novel, high-performance SERS substrates is crucial for SERS technology advancement.

Purpose of the Study:

  • To review progress in SERS-active nanomaterials.
  • To explore enhancement mechanisms of SERS substrates.
  • To provide insights into future trends and challenges in SERS material development.

Main Methods:

  • Literature review focusing on SERS-active nanomaterials.
  • Analysis of design principles and functions of various nanomaterials.
  • Discussion of factors influencing SERS signal enhancement.

Main Results:

  • Comprehensive overview of SERS-active nanomaterials developed on plasmonic metal substrates.
  • Detailed examination of design strategies and performance characteristics.
  • Highlighting of key enhancement mechanisms and influencing factors.

Conclusions:

  • SERS-active nanomaterials are foundational to SERS technology.
  • Understanding design principles and enhancement mechanisms is key to progress.
  • Future research should focus on overcoming challenges for wider SERS application.