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

Potential Due to a Polarized Object01:29

Potential Due to a Polarized Object

482
A neutral atom consists of a positively charged nucleus surrounded by a negatively charged electron cloud. When placed in an external electric field, the external electric force pulls the electrons and nucleus apart, opposite to the intrinsic attraction between the nucleus and the electrons. The opposing forces balance each other with a slight shift between the center of masses of the nucleus and the electron cloud, resulting in a polarized atom. On the other hand, a few molecules, like water,...
482
Atomic Nuclei: Nuclear Relaxation Processes01:23

Atomic Nuclei: Nuclear Relaxation Processes

735
In the absence of an external magnetic field, nuclear spin states are degenerate and randomly oriented. When a magnetic field is applied, the spins begin to precess and orient themselves along (lower energy) or against (higher energy) the direction of the field. At equilibrium, a slight excess population of spins exists in the lower energy state. Because the direction of the magnetic field is fixed as the z-axis,  the precessing magnetic moments are randomly oriented around the z-axis.
735
Induced Electric Dipoles01:28

Induced Electric Dipoles

4.4K
A permanent electric dipole orients itself along an external electric field. This rotation can be quantified by defining the potential energy because the external torque does work in rotating it. Then, the potential energy is minimum at the parallel configuration and maximum at the antiparallel configuration. While the former is a stable equilibrium, the latter is an unstable equilibrium.
Since the absolute value of potential energy holds no physical meaning, its zero value can be chosen as per...
4.4K
Molecular Shape and Polarity03:37

Molecular Shape and Polarity

62.3K
Dipole Moment of a Molecule
62.3K
MO Theory and Covalent Bonding02:40

MO Theory and Covalent Bonding

11.5K
The molecular orbital theory describes the distribution of electrons in molecules in a manner similar to the distribution of electrons in atomic orbitals. The region of space in which a valence electron in a molecule is likely to be found is called a molecular orbital. Mathematically, the linear combination of atomic orbitals (LCAO) generates molecular orbitals. Combinations of in-phase atomic orbital wave functions result in regions with a high probability of electron density, while...
11.5K
Molecular Orbital Theory I02:35

Molecular Orbital Theory I

33.1K
Overview of Molecular Orbital Theory
33.1K

You might also read

Related Articles

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

Sort by
Same author

Quantifying the Number of Dark, Gray, and Bright States as a Function of the Spectral Overlap in Polaritonic Systems.

Nano letters·2026
Same author

Strong exciton coupling: a practical toolbox for computing interaction energies, wavefunctions, and optical spectra.

Chemical Society reviews·2026
Same author

Three-Step Synthesis Toward Fluorene-Based Non-Fused-Ring Acceptors for Organic Solar Cells.

Chemistry (Weinheim an der Bergstrasse, Germany)·2026
Same author

Quantitative Modeling of Polaritonic Emission Using the Source Term Method.

The journal of physical chemistry letters·2025
Same author

Excitation-Dependent K<sup>+</sup> Sensing by Combining Photoinduced Electron Transfer and Triplet-Triplet Annihilation.

The journal of physical chemistry. A·2025
Same author

Role of Vibrational-Assisted Scattering and Surface-Enhanced Raman Scattering in Colloidal Plexcitonic Materials.

ACS nano·2025

Related Experiment Video

Updated: Sep 22, 2025

Experimental Methods for Trapping Ions Using Microfabricated Surface Ion Traps
11:45

Experimental Methods for Trapping Ions Using Microfabricated Surface Ion Traps

Published on: August 17, 2017

14.7K

Interplay between Polaritonic and Molecular Trap States.

Jürgen Mony1, Yi Yu1, Clara Schäfer1

  • 1Department of Chemistry and Molecular Biology, University of Gothenburg, Kemigården 4, Gothenburg 41296, Sweden.

The Journal of Physical Chemistry. C, Nanomaterials and Interfaces
|May 20, 2022
PubMed
Summary

Strong exciton-photon coupling creates hybrid light-matter states (polaritons) that alter molecular photophysics. This study shows polaritons can control molecular trap states, offering a strategy to mitigate their detrimental effects in photonic applications.

More Related Videos

Optical Trap Loading of Dielectric Microparticles In Air
08:57

Optical Trap Loading of Dielectric Microparticles In Air

Published on: February 5, 2017

9.2K
Optical Trapping of Nanoparticles
13:39

Optical Trapping of Nanoparticles

Published on: January 15, 2013

22.5K

Related Experiment Videos

Last Updated: Sep 22, 2025

Experimental Methods for Trapping Ions Using Microfabricated Surface Ion Traps
11:45

Experimental Methods for Trapping Ions Using Microfabricated Surface Ion Traps

Published on: August 17, 2017

14.7K
Optical Trap Loading of Dielectric Microparticles In Air
08:57

Optical Trap Loading of Dielectric Microparticles In Air

Published on: February 5, 2017

9.2K
Optical Trapping of Nanoparticles
13:39

Optical Trapping of Nanoparticles

Published on: January 15, 2013

22.5K

Area of Science:

  • Photophysics and photochemistry
  • Organic electronics
  • Materials science

Background:

  • Strong exciton-photon coupling leads to polaritons, hybrid light-matter states with unique optical properties.
  • Polaritons can modify the photophysical properties and excited-state dynamics of organic molecules compared to bare molecules.

Purpose of the Study:

  • Investigate the interplay between polaritonic states and molecular trap states, specifically excimers.
  • Explore the influence of exciton-photon energy tuning on emission properties in coupled systems.

Main Methods:

  • Studied organic molecules exhibiting prompt or delayed emission from trap states.
  • Analyzed the effect of energy tuning on polaritonic emission and aggregation-induced emission.
  • Differentiated between relaxation pathways for prompt and delayed emission scenarios.

Main Results:

  • Observed a clear dependence of emission on exciton-photon energy tuning.
  • Polaritonic emission increased while aggregation-induced emission decreased upon tuning to lower energies.
  • Evidence suggests a direct excimer-to-polariton transition for delayed emission from triplet states.

Conclusions:

  • Strongly coupled systems offer control over molecular trap state populations.
  • Polariton formation can potentially mitigate detrimental trap states in photonic applications.
  • Understanding these interactions is crucial for designing advanced organic photonic materials.