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

Atomic Emission Spectroscopy: Lab01:29

Atomic Emission Spectroscopy: Lab

632
AES is a powerful analytical technique, especially effective when used with plasma sources, producing abundant spectra in characteristic emission lines. The Inductively Coupled Plasma (ICP), in particular, yields superior quantitative analytical data due to its high stability, low noise, low background, and minimal interferences under optimal experimental conditions. However, newer air-operated microwave sources are emerging as promising alternatives that could be more cost-effective than...
632
Molecular Spectroscopy: Absorption and Emission01:14

Molecular Spectroscopy: Absorption and Emission

4.5K
Molecules possess discrete energy levels called quantum states. Unlike atoms, which have simpler energy levels, molecules possess additional rotational and vibrational energy levels.  Each energy level is separated by an energy gap, with the gaps between adjacent electronic, vibrational, and rotational levels varying significantly. The three types of energy levels in a diatomic molecule are shown in Figure 1.
4.5K
Atomic Emission Spectroscopy: Overview01:20

Atomic Emission Spectroscopy: Overview

3.7K
Atomic emission spectroscopy (AES) is an analytical technique used to determine the elemental composition of a sample by analyzing the light emitted from excited atoms. In AES, atoms in a sample are excited to higher energy levels by thermal energy from high-temperature sources, such as plasma, arcs, or sparks. When these excited atoms return to lower energy states, they emit light at specific wavelengths characteristic of each element. The resulting atomic emission spectrum, which consists of...
3.7K
Atomic Emission Spectroscopy: Instrumentation01:22

Atomic Emission Spectroscopy: Instrumentation

1.3K
The instrumentation of atomic emission spectrometry (AES) involves various components, including atomization devices that convert samples into gas-phase atoms and ions. There are two main types of atomization devices: continuous and discrete atomizers.  Continuous atomizers, like plasmas and flames, introduce samples in a constant stream, while discrete atomizers inject individual samples using syringes or autosamplers. The most common discrete atomizer is the electrothermal atomizer.
1.3K
Atomic Emission Spectroscopy: Interference01:30

Atomic Emission Spectroscopy: Interference

638
In atomic emission spectroscopy (AES), high-temperature atomizers excite a broad range of elements and molecules that generate complex emissions from sources such as oxides, hydroxides, and flame combustion products in the flame or plasma. Several strategies can be employed to minimize spectral interferences caused by overlapping emission lines or bands. These include increasing instrument resolution, choosing alternative emission lines, optimally placing the detector in low-background regions,...
638
Atomic Spectroscopy: Absorption, Emission, and Fluorescence01:23

Atomic Spectroscopy: Absorption, Emission, and Fluorescence

2.8K
Atomic spectroscopy is a vital tool in elemental analysis, both qualitatively and quantitatively. It can be broadly divided into optical spectroscopy, mass spectroscopy, and X-ray spectroscopy methods. The optical spectroscopic methods are atomic absorption spectroscopy (AAS), atomic emission spectroscopy (AES), and atomic fluorescence spectroscopy (AFS). The first step in all three methods is atomization, where the solid, liquid, or solution-phase samples are converted into gas-phase atoms and...
2.8K

You might also read

Related Articles

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

Sort by
Same author

Cytokine-Regulated Phosphorylation and Activation of TET2 by JAK2 in Hematopoiesis.

Cancer discovery·2019
Same author

Regulation of Gene Expression by N<sup>6</sup>-methyladenosine in Cancer.

Trends in cell biology·2019
Same author

Molecular mechanisms of atomic layer etching of cobalt with sequential exposure to molecular chlorine and diketones.

Journal of vacuum science & technology. A, Vacuum, surfaces, and films : an official journal of the American Vacuum Society·2019
Same author

miR‑146a‑5p expression is upregulated by the CXCR4 antagonist TN14003 and attenuates SDF‑1‑induced cartilage degradation.

Molecular medicine reports·2019
Same author

Author Correction: Anti-tumour immunity controlled through mRNA m<sup>6</sup>A methylation and YTHDF1 in dendritic cells.

Nature·2019
Same author

Total Syntheses of (+)-Sarcophytin, (+)-Chatancin, (-)-3-Oxochatancin, and (-)-Pavidolide B: A Divergent Approach.

Angewandte Chemie (International ed. in English)·2019

Related Experiment Video

Updated: Jan 30, 2026

Characterization of Full Set Material Constants and Their Temperature Dependence for Piezoelectric Materials Using Resonant Ultrasound Spectroscopy
07:44

Characterization of Full Set Material Constants and Their Temperature Dependence for Piezoelectric Materials Using Resonant Ultrasound Spectroscopy

Published on: April 27, 2016

10.1K

Terahertz surface and interface emission spectroscopy for advanced materials.

Yuanyuan Huang1, Zehan Yao1, Chuan He1

  • 1Shaanxi Joint Lab of Graphene, State Key Lab Incubation Base of Photoelectric Technology and Functional Materials, International Collaborative Center on Photoelectric Technology and Nano Functional Materials, Institute of Photonics and Photon-Technology, Northwest University, Xi'an 710069, People's Republic of China.

Journal of Physics. Condensed Matter : an Institute of Physics Journal
|January 23, 2019
PubMed
Summary
This summary is machine-generated.

Terahertz (THz) emission spectroscopy analyzes surfaces and interfaces in advanced materials. This method offers sensitive, nondestructive insights into optoelectronic and photonic properties, advancing material characterization.

More Related Videos

Emission Spectroscopic Boundary Layer Investigation during Ablative Material Testing in Plasmatron
09:41

Emission Spectroscopic Boundary Layer Investigation during Ablative Material Testing in Plasmatron

Published on: June 9, 2016

12.9K
Quantification of Hydrogen Concentrations in Surface and Interface Layers and Bulk Materials through Depth Profiling with Nuclear Reaction Analysis
14:11

Quantification of Hydrogen Concentrations in Surface and Interface Layers and Bulk Materials through Depth Profiling with Nuclear Reaction Analysis

Published on: March 29, 2016

27.6K

Related Experiment Videos

Last Updated: Jan 30, 2026

Characterization of Full Set Material Constants and Their Temperature Dependence for Piezoelectric Materials Using Resonant Ultrasound Spectroscopy
07:44

Characterization of Full Set Material Constants and Their Temperature Dependence for Piezoelectric Materials Using Resonant Ultrasound Spectroscopy

Published on: April 27, 2016

10.1K
Emission Spectroscopic Boundary Layer Investigation during Ablative Material Testing in Plasmatron
09:41

Emission Spectroscopic Boundary Layer Investigation during Ablative Material Testing in Plasmatron

Published on: June 9, 2016

12.9K
Quantification of Hydrogen Concentrations in Surface and Interface Layers and Bulk Materials through Depth Profiling with Nuclear Reaction Analysis
14:11

Quantification of Hydrogen Concentrations in Surface and Interface Layers and Bulk Materials through Depth Profiling with Nuclear Reaction Analysis

Published on: March 29, 2016

27.6K

Area of Science:

  • Optoelectronics and Photonics
  • Surface Science
  • Spectroscopy

Background:

  • Surfaces and interfaces are critical in optoelectronic and photonic materials, influencing carrier dynamics and charge transfer.
  • Advanced materials like 2D heterostructures, topological insulators, and perovskites exhibit complex surface/interface phenomena.
  • Terahertz (THz) emission spectroscopy is emerging as a powerful tool for probing these characteristics.

Purpose of the Study:

  • To review the principles of THz radiation mechanisms under ultrafast laser excitation.
  • To highlight recent advancements in THz emission spectroscopy for analyzing surface and interface properties of advanced materials.
  • To discuss the application of THz spectroscopy in characterizing photocurrent and nonlinear polarization dynamics.

Main Methods:

  • Review of THz radiation mechanisms.
  • Analysis of THz emission spectroscopy techniques.
  • Compilation of recent research on advanced materials using THz spectroscopy.

Main Results:

  • Detailed explanation of THz emission mechanisms.
  • Demonstration of THz spectroscopy's sensitivity to transient surface photocurrents and nonlinear polarization.
  • Application in characterizing surface states, interface potentials, and gas molecule adsorption/desorption.

Conclusions:

  • THz emission spectroscopy is a versatile, nondestructive method for advanced material surface and interface characterization.
  • This technique aids in understanding photocurrent and nonlinear polarization dynamics.
  • It also contributes to developing new THz sources and compact THz devices.