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

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...
UV–Vis Spectroscopy: Molecular Electronic Transitions01:16

UV–Vis Spectroscopy: Molecular Electronic Transitions

In Ultraviolet–Visible (UV–Vis) spectroscopy, the absorption of electromagnetic radiation is used to probe the electronic structure of molecules. This technique provides insights into molecular electronic transitions, particularly the movement of electrons between different molecular orbitals. Radiation is absorbed if the energy of the electromagnetic radiation passing through the molecule is precisely equal to the energy difference between the excited and ground states. During this process,...
Electron Paramagnetic Resonance (EPR) Spectroscopy: Organic Radicals01:17

Electron Paramagnetic Resonance (EPR) Spectroscopy: Organic Radicals

Ideally, an unpaired electron shows a single peak in the EPR spectrum due to the transition between the two spin energy states. However, coupling interactions can occur between the spins of the unpaired electron and any neighboring spin-active nuclei. This hyperfine coupling results in hyperfine splitting, where the EPR signal is split into multiplets. The signals split into 2nI + 1 peaks, where n is the number of equivalent nuclei and I is the nuclear spin. These splitting patterns provide...
Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation01:26

Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation

Inductively coupled plasma (ICP) is the common plasma source used in atomic emission spectroscopy (AES), a technique that detects and analyzes various elements in a sample. This method is often called inductively coupled plasma atomic emission spectroscopy (ICP-AES).
There are three main types of inductively coupled plasma atomic emission spectroscopy  (ICP-AES) instruments: sequential, simultaneous multichannel, and Fourier transform instruments, with the latter being less commonly used.
Atomic Emission Spectroscopy: Overview01:20

Atomic Emission Spectroscopy: Overview

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...
Atomic Emission Spectroscopy: Instrumentation01:22

Atomic Emission Spectroscopy: Instrumentation

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.

You might also read

Related Articles

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

Sort by
Same author

Biocompatibility and Therapeutic Potential of Cinnamoyl-Diphenylalanine Dipeptide: A Double-Edged Sword.

Journal of biomedical materials research. Part A·2026
Same author

Area-Selective Atomic/Molecular Layer Deposition of Europium-Organic Thin Films on Graphene and Other 2D Materials for Photoluminescent Heterostructures.

ACS nano·2026
Same author

Fmoc-Phe : Fmoc-Leu supramolecular hydrogels with adaptive antibacterial activity.

RSC advances·2026
Same author

Cretaceous sea turtle soft tissues clarify ancestry of scale loss in chelonioids.

iScience·2025
Same author

Ultrafast, remote-controlled protonation reaction enables structural changes in a phytochrome.

Science advances·2025
Same author

Photoinduced functionalization of graphene with photocleavable coatings.

Physical chemistry chemical physics : PCCP·2025

Related Experiment Video

Updated: May 22, 2026

Applying X-ray Imaging Crystal Spectroscopy for Use as a High Temperature Plasma Diagnostic
06:46

Applying X-ray Imaging Crystal Spectroscopy for Use as a High Temperature Plasma Diagnostic

Published on: August 25, 2016

Electronic spectroscopy of I(2)-Xe complexes in solid Krypton.

Eero Hulkko1, Jussi Ahokas, Johan Lindgren

  • 1Nanoscience Center, Department of Chemistry, University of Jyväskylä, P.O. Box 35, FIN-40014, Finland. eero.j.hulkko@jyu.fi

The Journal of Chemical Physics
|May 16, 2012
PubMed
Summary
This summary is machine-generated.

This study investigated iodine molecule (I(2)) ion-pair states in krypton and xenon matrices. Researchers observed that xenon complexation breaks symmetry, causing spectral shifts and non-radiative relaxation, hindering direct detection of the I(2)-Xe complex.

More Related Videos

Hyperpolarized Xenon for NMR and MRI Applications
16:20

Hyperpolarized Xenon for NMR and MRI Applications

Published on: September 6, 2012

Measurement of Ultrafast Vibrational Coherences in Polyatomic Radical Cations with Strong-Field Adiabatic Ionization
08:22

Measurement of Ultrafast Vibrational Coherences in Polyatomic Radical Cations with Strong-Field Adiabatic Ionization

Published on: August 6, 2018

Related Experiment Videos

Last Updated: May 22, 2026

Applying X-ray Imaging Crystal Spectroscopy for Use as a High Temperature Plasma Diagnostic
06:46

Applying X-ray Imaging Crystal Spectroscopy for Use as a High Temperature Plasma Diagnostic

Published on: August 25, 2016

Hyperpolarized Xenon for NMR and MRI Applications
16:20

Hyperpolarized Xenon for NMR and MRI Applications

Published on: September 6, 2012

Measurement of Ultrafast Vibrational Coherences in Polyatomic Radical Cations with Strong-Field Adiabatic Ionization
08:22

Measurement of Ultrafast Vibrational Coherences in Polyatomic Radical Cations with Strong-Field Adiabatic Ionization

Published on: August 6, 2018

Area of Science:

  • Physical Chemistry
  • Spectroscopy
  • Materials Science

Background:

  • Matrix isolation spectroscopy is crucial for studying unstable species and molecular interactions.
  • Understanding ion-pair states in molecular systems is key to photophysics and chemical dynamics.
  • The influence of host matrix polarizability on guest molecule electronic states requires further investigation.

Purpose of the Study:

  • To investigate the ion-pair states of matrix-isolated iodine (I(2)) in systematically varied Kr/Xe environments.
  • To elucidate the effect of xenon (Xe) complexation on the spectral and dynamic properties of I(2).
  • To understand the role of matrix polarizability and non-radiative relaxation pathways.

Main Methods:

  • Vacuum-UV absorption and UV-vis-NIR emission spectroscopy of matrix-isolated I(2).
  • Systematic variation of the Kr/Xe matrix composition, including low Xe doping levels.
  • Coherent anti-Stokes Raman scattering (CARS) for complex verification.
  • Spectrally resolved ultrafast pump-probe ion-pair emission studies.

Main Results:

  • Observed new vacuum-UV absorption redshifted from the I(2) X → D transition, attributed to symmetry breaking in I(2)-Xe complexes.
  • Low Xe doping did not significantly shift ion-pair emissions but increased emissions from spin-excited states, indicating non-radiative relaxation.
  • Intermediate Xe doping led to systematic red shifts in ion-pair emissions due to increased matrix polarizability.
  • Ultrafast studies revealed no direct evidence of the complex in relaxed emission, suggesting rapid non-radiative decay.

Conclusions:

  • Xenon complexation with I(2) in Kr matrices influences electronic states, leading to spectral shifts and altered relaxation dynamics.
  • Non-radiative relaxation pathways play a significant role in the observed dynamics and the lack of direct complex detection.
  • The study highlights the sensitivity of ion-pair states to the local matrix environment and complex formation.