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

Variables Affecting Phosphorescence and Fluorescence01:26

Variables Affecting Phosphorescence and Fluorescence

620
Fluorescence and phosphorescence are essential phenomena in fields like analytical chemistry, biological imaging, and materials science, where they detect molecular properties and visualize cellular structures. Understanding the variables that influence these luminescent behaviors is crucial for maximizing accuracy and efficiency in their applications. These variables can broadly be grouped into chemical structure, solvent properties, and external conditions, each playing a distinct role in...
620
The Pauli Exclusion Principle03:06

The Pauli Exclusion Principle

53.2K
The arrangement of electrons in the orbitals of an atom is called its electron configuration. We describe an electron configuration with a symbol that contains three pieces of information:
53.2K
The de Broglie Wavelength02:32

The de Broglie Wavelength

29.4K
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...
29.4K

You might also read

Related Articles

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

Sort by
Same author

Self-Recoverable, Energy-Dissipating, and Healable Chain-Extended Supramolecular Polyurethanes and Poly(urethane-urea)s for Impact-Resistant Systems.

ACS applied materials & interfaces·2026
Same author

Band offsets in InP/ZnSe nanocrystals evaluated using two-photon transitions analysis.

Nanoscale·2026
Same author

Strong effect of the nonpolar solvent molecular structure on CdSe nanoplatelet stacking.

Nanoscale·2026
Same author

Unraveling Dynamic Trap-State Modulation in Single Core-Crown CdSe/CdS Nanoplatelets.

Nano letters·2026
Same author

Photocurrent Saturation Mechanisms in Colloidal Quantum Dot Photodetectors.

Nano letters·2026
Same author

Mid-Infrared Stimulated Emission from Bulk Lead Sulfide Nanocrystals Formed by Aggregative Growth.

ACS nano·2026

Related Experiment Video

Updated: Oct 3, 2025

Compact Quantum Dots for Single-molecule Imaging
17:14

Compact Quantum Dots for Single-molecule Imaging

Published on: October 9, 2012

18.3K

General Expression for the Size-Dependent Optical Properties of Quantum Dots.

Tangi Aubert1,2, Aleksandr A Golovatenko3, Margarita Samoli1

  • 1Physics and Chemistry of Nanostructures, Ghent University, 9000 Ghent, Belgium.

Nano Letters
|February 14, 2022
PubMed
Summary

This study introduces a new sizing function for colloidal quantum dots (QDs) that accurately predicts quantum confinement effects. This method improves band gap calculations and material property assessments for various semiconductor types.

Keywords:
Bohr radiusnanocrystalsquantum confinementsizing curve

More Related Videos

High Resolution Phonon-assisted Quasi-resonance Fluorescence Spectroscopy
10:40

High Resolution Phonon-assisted Quasi-resonance Fluorescence Spectroscopy

Published on: June 28, 2016

7.7K
Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection
12:57

Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection

Published on: October 13, 2017

9.3K

Related Experiment Videos

Last Updated: Oct 3, 2025

Compact Quantum Dots for Single-molecule Imaging
17:14

Compact Quantum Dots for Single-molecule Imaging

Published on: October 9, 2012

18.3K
High Resolution Phonon-assisted Quasi-resonance Fluorescence Spectroscopy
10:40

High Resolution Phonon-assisted Quasi-resonance Fluorescence Spectroscopy

Published on: June 28, 2016

7.7K
Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection
12:57

Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection

Published on: October 13, 2017

9.3K

Area of Science:

  • Materials Science
  • Quantum Physics
  • Nanotechnology

Background:

  • Analytical models for quantum confinement in colloidal quantum dots (QDs) lack accuracy.
  • Current methods use physically meaningless parameters, limiting extrapolation.
  • Accurate size-dependent band gap prediction is crucial for QD applications.

Purpose of the Study:

  • To develop a reliable and generalizable sizing function for colloidal quantum dots.
  • To improve the prediction of quantum confinement effects across diverse semiconductor materials.
  • To provide a unified approach for QD size calibration and parameter assessment.

Main Methods:

  • Proposed a new sizing function based on proportional correction for nonparabolic bands.
  • Applied the function to predict size quantization in groups IV, III-V, II-VI, IV-VI, and metal-halide perovskite semiconductors.
  • Included adaptations for negative-gap semiconductors and nonspherical QDs.

Main Results:

  • Successfully predicted size quantization for various semiconductor groups using bulk parameters.
  • Demonstrated statistically relevant differences in band gap/size relations for different crystal structures (wurtzite vs. zinc blende CdSe).
  • The proposed function allows refinement using the Bohr diameter as a fitting parameter.

Conclusions:

  • The new sizing function offers a unified and accurate method for QD size calibration.
  • Enables reliable assessment of bulk semiconductor parameters and prediction of quantum confinement in new materials.
  • Facilitates accurate band gap engineering for advanced QD applications.