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 Experiment Video

Updated: Jun 22, 2026

Harvesting Solar Energy by Means of Charge-Separating Nanocrystals and Their Solids
13:29

Harvesting Solar Energy by Means of Charge-Separating Nanocrystals and Their Solids

Published on: August 23, 2012

Doping semiconductor nanocrystals.

Steven C Erwin1, Lijun Zu, Michael I Haftel

  • 1Naval Research Laboratory, Washington, DC 20375, USA. Steven.Erwin@nrl.navy.mil

Nature
|July 8, 2005
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Fourier pixels for bidirectional light control.

Nature·2026
Same author

Broadband, Compact, and Training-Free Optical Processors for Parallel Image Classification.

ACS nano·2026
Same author

Optical Fourier Surfaces for Integrated Photonics.

ACS nano·2026
Same author

Emissive Colloidal GaAs Quantum Dots.

Journal of the American Chemical Society·2026
Same author

Depth-Dependent Emission from Silver Dopants in Single CdSe Nanoplatelets.

ACS nano·2026
Same author

Transferable Plasmonic Arrays Enabling Strong Coupling with Layered Perovskites in an Active Diode Architecture.

Nano letters·2025
Same journal

Incoming US science academy chief vows to 'double down' on research.

Nature·2026
Same journal

Author Correction: Synthesis of enantioenriched atropisomers by biocatalytic deracemization.

Nature·2026
Same journal

Electrodeposited self-assembled molecules for perovskite photovoltaics.

Nature·2026
Same journal

Neutrino's nursery found: the 'Shadow Blaster'.

Nature·2026
Same journal

Dementia risk in middle-aged people linked to a blood protein.

Nature·2026
Same journal

Daily briefing: What's really happening with trust in science.

Nature·2026
See all related articles

Doping semiconductor nanocrystals is controlled by impurity adsorption on the surface during growth, not self-purification. Surface morphology, shape, and surfactants dictate doping efficiency, enabling new doped nanocrystal development.

Area of Science:

  • Materials Science
  • Nanotechnology
  • Solid State Physics

Background:

  • Semiconductor doping is crucial for controlling material properties.
  • Doping semiconductor nanocrystals is challenging, often attributed to 'self-purification'.
  • Previous attempts to dope specific nanocrystals like CdSe with Mn have failed despite high bulk solubility.

Purpose of the Study:

  • To elucidate the mechanism controlling impurity doping in semiconductor nanocrystals.
  • To identify factors influencing doping efficiency in nanocrystal synthesis.
  • To overcome limitations in doping previously undopable nanocrystals.

Main Methods:

  • Investigated impurity adsorption on nanocrystal surfaces during growth.
  • Analyzed the influence of surface morphology, nanocrystal shape, and surfactants.

More Related Videos

Monolayer Contact Doping of Silicon Surfaces and Nanowires Using Organophosphorus Compounds
09:45

Monolayer Contact Doping of Silicon Surfaces and Nanowires Using Organophosphorus Compounds

Published on: December 3, 2013

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping
14:58

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping

Published on: June 3, 2015

Related Experiment Videos

Last Updated: Jun 22, 2026

Harvesting Solar Energy by Means of Charge-Separating Nanocrystals and Their Solids
13:29

Harvesting Solar Energy by Means of Charge-Separating Nanocrystals and Their Solids

Published on: August 23, 2012

Monolayer Contact Doping of Silicon Surfaces and Nanowires Using Organophosphorus Compounds
09:45

Monolayer Contact Doping of Silicon Surfaces and Nanowires Using Organophosphorus Compounds

Published on: December 3, 2013

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping
14:58

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping

Published on: June 3, 2015

  • Utilized theoretical calculations for adsorption energies and equilibrium shapes.
  • Experimentally verified predictions by varying Mn concentration with ZnSe nanocrystal size and shape.

    • Main Results:

    • Doping efficiency is determined by initial impurity adsorption on the nanocrystal surface.
    • Surface morphology, nanocrystal shape, and growth solution surfactants are key factors.
    • Successfully doped previously undopable CdSe nanocrystals with Mn.
    • Demonstrated that doping difficulties are not intrinsic to the nanocrystals.

    Conclusions:

    • The mechanism controlling nanocrystal doping is surface impurity adsorption.
    • Surface and solution conditions can be tuned to control doping efficiency.
    • This work opens avenues for creating a variety of doped nanocrystals for advanced applications.