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

You might also read

Related Articles

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

Sort by
Same author

High Pressure Synthesis of Ultrasmall Nanodiamonds with Nitrogen Vacancy Centers.

Nano letters·2026
Same author

Spatiochemical Segregation in Porous Lithium-Metal Interphases.

Journal of the American Chemical Society·2026
Same author

Field-theoretic simulation of Dean-Kawasaki dynamics for interacting particles.

Physical review. E·2026
Same author

Magic Diamond: Covalent Bond Formation of Melamine and Other Amines on Nanodiamond Surfaces.

ACS omega·2026
Same author

Correction to "Macroscopic Transition Metal Dichalcogenide Monolayers from Gold-Tape Exfoliation Retain Intrinsic Properties".

Nano letters·2026
Same author

Direct Observation of Near-Surface Band Bending in Plasmonic Metal Oxide Nanocrystals.

Journal of the American Chemical Society·2026

Related Experiment Video

Updated: May 30, 2026

Fabrication of Gate-tunable Graphene Devices for Scanning Tunneling Microscopy Studies with Coulomb Impurities
11:42

Fabrication of Gate-tunable Graphene Devices for Scanning Tunneling Microscopy Studies with Coulomb Impurities

Published on: July 24, 2015

Visualizing individual nitrogen dopants in monolayer graphene.

Liuyan Zhao1, Rui He, Kwang Taeg Rim

  • 1Department of Physics, Columbia University, New York, NY 10027, USA.

Science (New York, N.Y.)
|August 20, 2011
PubMed
Summary

Chemical doping with nitrogen in monolayer graphene creates graphitic dopants, altering electronic properties locally. This method offers a promising route to high-quality graphene films with high carrier concentrations.

More Related Videos

Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction
10:57

Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction

Published on: April 10, 2018

Microscopic Visualization of Porous Nanographenes Synthesized through a Combination of Solution and On-Surface Chemistry
08:18

Microscopic Visualization of Porous Nanographenes Synthesized through a Combination of Solution and On-Surface Chemistry

Published on: March 4, 2021

Related Experiment Videos

Last Updated: May 30, 2026

Fabrication of Gate-tunable Graphene Devices for Scanning Tunneling Microscopy Studies with Coulomb Impurities
11:42

Fabrication of Gate-tunable Graphene Devices for Scanning Tunneling Microscopy Studies with Coulomb Impurities

Published on: July 24, 2015

Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction
10:57

Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction

Published on: April 10, 2018

Microscopic Visualization of Porous Nanographenes Synthesized through a Combination of Solution and On-Surface Chemistry
08:18

Microscopic Visualization of Porous Nanographenes Synthesized through a Combination of Solution and On-Surface Chemistry

Published on: March 4, 2021

Area of Science:

  • Materials Science
  • Condensed Matter Physics
  • Surface Science

Background:

  • Substitutional doping is a key method for tuning the electronic properties of 2D materials like graphene.
  • Controlling dopant incorporation at the atomic level is crucial for precise electronic property modification.

Purpose of the Study:

  • To characterize the electronic and structural effects of individual nitrogen dopants in monolayer graphene grown on copper.
  • To understand the mechanism of electron delocalization from nitrogen dopants into the graphene lattice.

Main Methods:

  • Scanning tunneling microscopy (STM) for atomic-scale imaging.
  • Raman spectroscopy and X-ray spectroscopy for chemical and electronic analysis.
  • First-principles calculations for theoretical modeling of dopant behavior.

Main Results:

  • Nitrogen atoms were successfully incorporated as graphitic dopants in monolayer graphene.
  • A fraction of the excess electron from nitrogen dopants was delocalized into the graphene lattice.
  • The electronic structure of graphene was significantly modified only in the immediate vicinity of the nitrogen dopant.

Conclusions:

  • Substitutional nitrogen doping effectively modifies the electronic properties of graphene.
  • The local nature of the electronic modification suggests potential for nanoscale electronic device applications.
  • Chemical doping presents a viable strategy for producing high-quality graphene films with enhanced carrier concentrations.