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

The de Broglie Wavelength02:32

The de Broglie Wavelength

34.7K
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...
34.7K
The Energies of Atomic Orbitals03:21

The Energies of Atomic Orbitals

31.2K
In an atom, the negatively charged electrons are attracted to the positively charged nucleus. In a multielectron atom, electron-electron repulsions are also observed. The attractive and repulsive forces are dependent on the distance between the particles, as well as the sign and magnitude of the charges on the individual particles. When the charges on the particles are opposite, they attract each other. If both particles have the same charge, they repel each other.
31.2K
Valence Bond Theory02:42

Valence Bond Theory

11.7K
Coordination compounds and complexes exhibit different colors, geometries, and magnetic behavior, depending on the metal atom/ion and ligands from which they are composed. In an attempt to explain the bonding and structure of coordination complexes, Linus Pauling proposed the valence bond theory, or VBT, using the concepts of hybridization and the overlapping of the atomic orbitals. According to VBT, the central metal atom or ion (Lewis acid) hybridizes to provide empty orbitals of suitable...
11.7K
Electron Configurations02:46

Electron Configurations

28.5K
Electron configurations and orbital diagrams can be determined by applying the Aufbau principle (each added electron occupies the subshell of lowest energy available), Pauli exclusion principle (no two electrons can have the same set of four quantum numbers), and Hund’s rule of maximum multiplicity (whenever possible, electrons retain unpaired spins in degenerate orbitals).
The relative energies of the subshells determine the order in which atomic orbitals are filled (1s, 2s, 2p, 3s, 3p,...
28.5K
Fermi Level Dynamics01:12

Fermi Level Dynamics

1.0K
The vacuum level denotes the energy threshold required for an electron to escape from a material surface. It is usually positioned above the conduction band of a semiconductor and acts as a benchmark for comparing electron energies within various materials.
Electron affinity in semiconductors refers to the energy gap between the minimum of its conduction band and the vacuum level and it is a critical parameter in determining how easily a semiconductor can accept additional electrons.
The work...
1.0K
Energy Bands in Solids01:01

Energy Bands in Solids

2.5K
Isolated atoms have discrete energy levels that are well described by the Bohr model. And, it quantifies the energy of an electron in a hydrogen atom as En. Higher quantum numbers 'n' yield less negative, closer electron energy levels.
 Band Formation:
When atoms are brought close together, as in a solid, these discrete energy levels begin to split due to the overlap of electron orbitals from adjacent atoms. This split occurs because of the Pauli exclusion principle, which states...
2.5K

You might also read

Related Articles

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

Sort by
Same author

Polaron-mediated exciton dynamics of P(NDI2OD-T2) unveiled by transient absorption spectroscopy under electrochemical conditions.

The Journal of chemical physics·2026
Same author

Buried Interfaces in Organic Photocathodes for H<sub>2</sub> Evolution: Fermi-Level Pinning and Recombination.

ACS applied materials & interfaces·2026
Same author

A Vibrational Probe of Electrical Doping in N2200 and Fermi-Level Alignment at Polymer Cathode/Metal Cocatalyst/Electrolyte Junctions.

Journal of the American Chemical Society·2026
Same author

Circularly Polarized Luminescence from Silicon QDs in the Near-Infrared with Chiral Ligands.

Journal of the American Chemical Society·2026
Same author

Eliminated Interfacial Side Reactions in Perovskite Solar Cells by Sterically Protected Ammonium Passivation.

ACS applied materials & interfaces·2026
Same author

Molecular Constraints and Electronic Structure Direct Multi-Step PCET Mechanisms in the Electrochemical Oxidation of Ruthenium Complexes.

ACS omega·2026

Related Experiment Video

Updated: Apr 8, 2026

Synthesis, Characterization, and Functionalization of Hybrid Au/CdS and Au/ZnS Core/Shell Nanoparticles
08:19

Synthesis, Characterization, and Functionalization of Hybrid Au/CdS and Au/ZnS Core/Shell Nanoparticles

Published on: March 2, 2016

18.4K

Shell-thickness dependent Fano resonance in molecular catalyst functionalized CdSe/ZnS core/shell QDs.

Sara T Gebre1, Luis Martinez-Gomez1, Sheng He1

  • 1Department of Chemistry, Emory University, Atlanta, Georgia 30322, USA.

The Journal of Chemical Physics
|August 26, 2025
PubMed
Summary

Researchers explored how charge transfer in hybrid photocatalysts impacts Fano resonance. They found that increasing the semiconductor shell thickness reduces this interaction, affecting solar fuel applications.

More Related Videos

Advanced Compositional Analysis of Nanoparticle-polymer Composites Using Direct Fluorescence Imaging
07:41

Advanced Compositional Analysis of Nanoparticle-polymer Composites Using Direct Fluorescence Imaging

Published on: July 19, 2016

7.8K
Facet-to-facet Linking of Shape-anisotropic Colloidal Cadmium Chalcogenide Nanostructures
09:12

Facet-to-facet Linking of Shape-anisotropic Colloidal Cadmium Chalcogenide Nanostructures

Published on: August 10, 2017

7.7K

Related Experiment Videos

Last Updated: Apr 8, 2026

Synthesis, Characterization, and Functionalization of Hybrid Au/CdS and Au/ZnS Core/Shell Nanoparticles
08:19

Synthesis, Characterization, and Functionalization of Hybrid Au/CdS and Au/ZnS Core/Shell Nanoparticles

Published on: March 2, 2016

18.4K
Advanced Compositional Analysis of Nanoparticle-polymer Composites Using Direct Fluorescence Imaging
07:41

Advanced Compositional Analysis of Nanoparticle-polymer Composites Using Direct Fluorescence Imaging

Published on: July 19, 2016

7.8K
Facet-to-facet Linking of Shape-anisotropic Colloidal Cadmium Chalcogenide Nanostructures
09:12

Facet-to-facet Linking of Shape-anisotropic Colloidal Cadmium Chalcogenide Nanostructures

Published on: August 10, 2017

7.7K

Area of Science:

  • Materials Science
  • Photocatalysis
  • Spectroscopy

Background:

  • Hybrid photocatalysts combine molecular catalysts and semiconductors for solar fuel applications.
  • Charge transfer at the semiconductor/molecule interface is crucial for photoinduced charge separation.
  • Fano resonance can occur between molecular vibrations and semiconductor intraband absorption.

Purpose of the Study:

  • Investigate the influence of charge transfer interactions on Fano resonance in hybrid photocatalysts.
  • Understand how semiconductor shell thickness affects the Fano resonance in molecular-semiconductor systems.
  • Elucidate the role of vibronic coupling in mediating Fano resonances.

Main Methods:

  • Utilized [Re(3,3'-disulfide-2,2'-bipyridine)(CO)3Cl] (ReS2) functionalized CdSe/ZnS core/shell quantum dots (QDs) as a model system.
  • Analyzed the interaction between the catalyst's CO stretching mode and the semiconductor's intraband absorption.
  • Employed a theoretical model to interpret experimental findings on Fano resonance asymmetry.

Main Results:

  • Observed Fano resonance between the ReS2 catalyst's CO stretch and CdSe/ZnS QD intraband absorption.
  • Found that the Fano resonance asymmetry factor (q) decreases with increasing ZnS shell thickness.
  • Demonstrated that reduced charge transfer interaction correlates with thicker ZnS shells.

Conclusions:

  • Charge transfer interactions significantly influence Fano resonance in hybrid photocatalysts.
  • Thicker ZnS shells in CdSe/ZnS QDs decrease charge transfer and electronic coupling with adsorbed catalysts.
  • Findings provide insights into optimizing hybrid photocatalysts for solar fuel generation by tuning interfacial interactions.