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Related Concept Videos

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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Raman Spectroscopy Instrumentation: Overview01:26

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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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Related Experiment Video

Updated: Mar 1, 2026

Author Spotlight: Tracking Electrochemistry on Single Nanoparticles with Surface-Enhanced Raman Scattering Spectroscopy and Microscopy
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Author Spotlight: Tracking Electrochemistry on Single Nanoparticles with Surface-Enhanced Raman Scattering Spectroscopy and Microscopy

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Tip-enhanced Raman spectroscopy for surfaces and interfaces.

Xiang Wang1, Sheng-Chao Huang, Teng-Xiang Huang

  • 1Collaborative Innovation Center of Chemistry for Energy Materials, State Key Laboratory of Physical Chemistry of Solid Surfaces, and The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China. bren@xmu.edu.cn.

Chemical Society Reviews
|June 8, 2017
PubMed
Summary
This summary is machine-generated.

Tip-enhanced Raman spectroscopy (TERS) offers nanoscale chemical and morphological insights crucial for understanding surfaces and interfaces in catalysis and electrochemistry. This technique provides a powerful tool for correlating structure with chemical performance in various environments.

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Area of Science:

  • Surface science and interfacial phenomena
  • Nanoscale chemical analysis
  • Spectroscopic techniques

Background:

  • Surfaces and interfaces are critical in heterogeneous catalysis, electrochemistry, and photo(electro)chemistry.
  • Tip-enhanced Raman spectroscopy (TERS) integrates plasmon-enhanced Raman spectroscopy with scanning probe microscopy.
  • TERS provides simultaneous chemical fingerprint and morphological data at nanometer resolution.

Purpose of the Study:

  • To elucidate the fundamental role of surfaces and interfaces in chemical processes.
  • To detail the principles and experimental considerations of TERS.
  • To review the advancements and applications of TERS in studying surface and interfacial phenomena.

Main Methods:

  • Detailed discussion of experimental TERS, including tip preparation and instrument configuration.
  • Application of TERS across diverse environments: ambient, ultra-high vacuum (UHV), solid-liquid, and electrochemical.
  • Analysis of spatial resolution and surface selection rules in TERS.

Main Results:

  • TERS enables in-depth understanding of surface and interfacial processes.
  • The relationship between structure and chemical performance can be established using TERS.
  • TERS has been successfully applied in various demanding experimental conditions.

Conclusions:

  • TERS is an ideal tool for nanoscale surface and interface characterization.
  • Future challenges exist for the broader practical application of TERS.
  • Continued development of TERS will advance surface science and related fields.