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

VSEPR Theory and the Basic Shapes02:52

VSEPR Theory and the Basic Shapes

Overview of VSEPR Theory
Hybridization of Atomic Orbitals I03:24

Hybridization of Atomic Orbitals I

The mathematical expression known as the wave function, ψ, contains information about each orbital and the wavelike properties of electrons in an isolated atom. When atoms are bound together in a molecule, the wave functions combine to produce new mathematical descriptions that have different shapes. This process of combining the wave functions for atomic orbitals is called hybridization and is mathematically accomplished by the linear combination of atomic orbitals. The new orbitals that...
VSEPR Theory and the Effect of Lone Pairs04:01

VSEPR Theory and the Effect of Lone Pairs

Effect of Lone Pairs of Electrons on Molecule Geometry

You might also read

Related Articles

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

Sort by
Same author

Mechanistic Insights Into Quantum-Cutting in Yb<sup>3+</sup>-Doped CsPbCl<sub>3</sub> Nanocrystals.

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

Macromolecular crystallography at Elettra: current and future perspectives. Corrigendum.

Journal of synchrotron radiation·2026
Same author

Indication of room-temperature magnetodielectricity and weak spontaneous polarization in (Sr, Mn) co-doped La<sub>2</sub>FeCrO6.

Journal of physics. Condensed matter : an Institute of Physics journal·2025
Same author

Effect of Halide Variations on Cation Dynamics in MAPbX<sub>3</sub> (X = Cl, Br, and I).

Small (Weinheim an der Bergstrasse, Germany)·2025
Same author

Macromolecular crystallography at Elettra: current and future perspectives.

Journal of synchrotron radiation·2025
Same author

Evidence of Athermal Metastable Phase in a Halide Perovskite: Optically Tracked Thermal-Breach Memory.

Physical review letters·2025

Related Experiment Video

Updated: Jun 20, 2026

Atomically Traceable Nanostructure Fabrication
12:35

Atomically Traceable Nanostructure Fabrication

Published on: July 17, 2015

Shape-dependent confinement in ultrasmall zero-, one-, and two-dimensional PbS nanostructures.

Somobrata Acharya1, D D Sarma, Yuval Golan

  • 1World Premier International Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan. camsa2@iacs.res.in

Journal of the American Chemical Society
|September 3, 2009
PubMed
Summary

This study synthesized lead sulfide (PbS) nanomaterials in 0D, 1D, and 2D forms. Reduced dimensionality enhances quantum confinement, impacting electron-hole interactions and optical properties for device applications.

More Related Videos

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures
10:56

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures

Published on: May 20, 2014

Fabrication of Zero Mode Waveguides for High Concentration Single Molecule Microscopy
08:01

Fabrication of Zero Mode Waveguides for High Concentration Single Molecule Microscopy

Published on: May 12, 2020

Related Experiment Videos

Last Updated: Jun 20, 2026

Atomically Traceable Nanostructure Fabrication
12:35

Atomically Traceable Nanostructure Fabrication

Published on: July 17, 2015

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures
10:56

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures

Published on: May 20, 2014

Fabrication of Zero Mode Waveguides for High Concentration Single Molecule Microscopy
08:01

Fabrication of Zero Mode Waveguides for High Concentration Single Molecule Microscopy

Published on: May 12, 2020

Area of Science:

  • Materials Science
  • Nanotechnology
  • Quantum Physics

Background:

  • Electron-hole confinement is crucial in nanomaterials, influencing their optical and electronic properties.
  • The degree of confinement depends on spatial dimensionality relative to the exciton Bohr radius (aB).
  • Lead sulfide (PbS) nanomaterials offer tunable properties based on their size and shape.

Purpose of the Study:

  • To synthesize PbS nanomaterials with controlled 0D, 1D, and 2D geometries.
  • To investigate the impact of spatial dimensionality on quantum confinement effects.
  • To explore the relationship between confinement, exciton-phonon coupling, and optical polarization.

Main Methods:

  • Controlled synthesis of PbS nanomaterials in zero-dimensional (0D) dots, one-dimensional (1D) rods/wires, and two-dimensional (2D) sheets.
  • Varying exciton-phonon coupling strength to probe confinement effects.
  • Characterizing far-field optical polarizations of different geometries.

Main Results:

  • Successfully synthesized PbS nanomaterials with distinct 0D, 1D, and 2D structures.
  • Demonstrated that reduced dimensionality (0D > 1D > 2D) enhances quantum confinement.
  • Showed that confinement weakens with the loss of dimensional constraints.
  • Observed geometry-dependent far-field optical polarizations.

Conclusions:

  • The degree of quantum confinement in PbS nanomaterials is systematically tunable by spatial dimensionality.
  • These findings highlight the potential of dimensionality control for developing polarization-sensitive optical devices.