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

UV–Vis Spectroscopy: Molecular Electronic Transitions01:16

UV–Vis Spectroscopy: Molecular Electronic Transitions

3.5K
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...
3.5K
The de Broglie Wavelength02:32

The de Broglie Wavelength

34.6K
In the macroscopic world, objects that are large enough to be seen by the naked eye follow the rules of classical physics. A billiard ball moving on a table will behave like a particle; it will continue traveling in a straight line unless it collides with another ball, or it is acted on by some other force, such as friction. The ball has a well-defined position and velocity or well-defined momentum, p = mv, which is defined by mass m and velocity v at any given moment. This is the typical...
34.6K
π Electron Effects on Chemical Shift: Overview01:27

π Electron Effects on Chemical Shift: Overview

1.9K
An applied magnetic field causes loosely bound π-electrons in organic molecules to circulate, producing a local or induced diamagnetic field over a large spatial volume. As the molecules tumble in solution, the field generated by π-electrons in spherical substituents results in a zero net field. However, the net field generated by π-electrons in non-spherical substituents is not zero. The effect of this induced field depends on the orientation of the molecule with respect to B0,...
1.9K
Molecular Spectroscopy: Absorption and Emission01:14

Molecular Spectroscopy: Absorption and Emission

5.4K
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.
5.4K
Atomic Emission Spectroscopy: Lab01:29

Atomic Emission Spectroscopy: Lab

796
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...
796
Atomic Spectroscopy: Absorption, Emission, and Fluorescence01:23

Atomic Spectroscopy: Absorption, Emission, and Fluorescence

3.4K
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...
3.4K

You might also read

Related Articles

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

Sort by
Same author

pH-Dependent Vibrational Dynamics Drives Excited-State Quenching in the Phycobiliprotein Complex PC645.

Journal of the American Chemical Society·2026
Same author

Water-modulated conformational heterogeneity underlies multiple timescales of primary charge separation in photosystem II.

Nature communications·2026
Same author

Maximizing Room-Temperature Red Phosphorescence in Contorted Hexabenzocoronene Derivatives.

Chemistry of materials : a publication of the American Chemical Society·2026
Same author

Operational bounds and diagnostics for coherence in energy transfer.

The Journal of chemical physics·2026
Same author

The Seasons of a Career in Physical Chemistry.

ACS physical chemistry Au·2026
Same author

The Seasons of a Career in Physical Chemistry: Olivia Harper Wilkins.

ACS physical chemistry Au·2026

Related Experiment Video

Updated: Mar 30, 2026

Direct Imaging of Laser-driven Ultrafast Molecular Rotation
10:52

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

10.3K

Observing Vibrational Wavepackets during an Ultrafast Electron Transfer Reaction.

Shahnawaz R. Rather1, Jacob C Dean1, Gregory D Scholes1

  • 1Department of Chemistry, Princeton University , Princeton, New Jersey 08544, United States.

The Journal of Physical Chemistry. A
|November 21, 2015
PubMed
Summary

Vibrational coherence persists during ultrafast electron transfer, acting as a spectator. This suggests electronic and nuclear motion are largely independent, even during rapid charge transfer reactions.

More Related Videos

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

7.4K
Ultrafast Time-resolved Near-IR Stimulated Raman Measurements of Functional π-conjugate Systems
09:57

Ultrafast Time-resolved Near-IR Stimulated Raman Measurements of Functional π-conjugate Systems

Published on: February 10, 2020

7.7K

Related Experiment Videos

Last Updated: Mar 30, 2026

Direct Imaging of Laser-driven Ultrafast Molecular Rotation
10:52

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

10.3K
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

7.4K
Ultrafast Time-resolved Near-IR Stimulated Raman Measurements of Functional π-conjugate Systems
09:57

Ultrafast Time-resolved Near-IR Stimulated Raman Measurements of Functional π-conjugate Systems

Published on: February 10, 2020

7.7K

Area of Science:

  • Physical Chemistry
  • Chemical Physics
  • Ultrafast Spectroscopy

Background:

  • Coherent effects are increasingly recognized as crucial in ultrafast electron transfer reactions.
  • Understanding the interplay between electronic and nuclear motion is key to elucidating reaction mechanisms.

Purpose of the Study:

  • To investigate intramolecular nuclear motion during ultrafast electron transfer.
  • To determine the impact of electron transfer on vibrational coherence.

Main Methods:

  • Broadband pump-probe spectroscopy
  • Two-dimensional electronic spectroscopy
  • Time-frequency analysis of spectroscopic data

Main Results:

  • Vibrational coherence detected via the excited electronic state of oxazine 1 (Ox1) diminishes as population is lost through electron transfer.
  • The vibrational wavepacket is not damped by the electron transfer process.
  • Electron transfer does not significantly perturb vibrational coherence, indicating it acts as a spectator.

Conclusions:

  • Vibrational coherence persists during ultrafast electron transfer.
  • The findings support the Born-Oppenheimer approximation, separating electronic and nuclear dynamics.
  • This work provides insights into the fundamental mechanisms of electron transfer reactions.