Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

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

Origin of Trapped Intralayer Wannier and Charge-Transfer Excitons in Moiré Materials.

Nano letters·2026

Same author

Magnetic ordering in moiré graphene multilayers from a continuum Hartree+<i>U</i>approach.

Nanotechnology·2025

Same author

Semi-annual and annual mass drug administration of diethylcarbamazine and albendazole are equally effective regimens for eliminating lymphatic filariasis in Papua New Guinea.

PLoS neglected tropical diseases·2025

Same author

An unusual phenotype of hereditary AApoAI amyloidosis caused by a novel Asp20Tyr substitution is linked to pH-dependent aggregation of apolipoprotein A-I.

Biochimica et biophysica acta. Molecular basis of disease·2025

Same author

Electrically Tunable Ultraflat Bands and π-Electron Magnetism in Graphene Nanoribbons.

The journal of physical chemistry letters·2025

Same author

Coexisting Charge Density Waves in Twisted Bilayer NbSe<sub>2</sub>.

Nano letters·2024

Same journal

Anharmonic phonons via quantum thermal bath simulations.

The Journal of chemical physics·2026

Same journal

Quantum simulation of alignment dependent differential cross sections in co-propagating molecular beams at cold collision energies.

The Journal of chemical physics·2026

Same journal

Non-additive ion effects on the coil-globule equilibrium of a generic polymer in aqueous salt solutions.

The Journal of chemical physics·2026

Same journal

Insights into the unexpected small reduction of the temperature of maximum density of water by lithium chloride addition.

The Journal of chemical physics·2026

Same journal

Optical frequency comb double-resonance spectroscopy of the 9030-9175 cm-1 states of ethylene.

The Journal of chemical physics·2026

Same journal

Time reversal breaking of colloidal particles in cells.

The Journal of chemical physics·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Apr 21, 2026

Functionalization of Single-walled Carbon Nanotubes with Thermo-reversible Block Copolymers and Characterization by Small-angle Neutron Scattering

Functionalization of Single-walled Carbon Nanotubes with Thermo-reversible Block Copolymers and Characterization by Small-angle Neutron Scattering

Published on: June 1, 2016

Does water dope carbon nanotubes?

Robert A Bell¹, Michael C Payne¹, Arash A Mostofi²

¹Theory of Condensed Matter Group, Cavendish Laboratory, Cambridge, United Kingdom.

The Journal of Chemical Physics

|November 3, 2014

Summary

This summary is machine-generated.

Water molecules interacting with carbon nanotubes (CNTs) cause charge redistribution over long distances, but do not significantly dope the CNTs. This finding is crucial for understanding CNT applications in various environments.

More Related Videos

Dry Oxidation and Vacuum Annealing Treatments for Tuning the Wetting Properties of Carbon Nanotube Arrays

Dry Oxidation and Vacuum Annealing Treatments for Tuning the Wetting Properties of Carbon Nanotube Arrays

Published on: April 15, 2013

Functionalization and Dispersion of Carbon Nanomaterials Using an Environmentally Friendly Ultrasonicated Ozonolysis Process

Functionalization and Dispersion of Carbon Nanomaterials Using an Environmentally Friendly Ultrasonicated Ozonolysis Process

Published on: May 30, 2017

Related Experiment Videos

Last Updated: Apr 21, 2026

Functionalization of Single-walled Carbon Nanotubes with Thermo-reversible Block Copolymers and Characterization by Small-angle Neutron Scattering

Functionalization of Single-walled Carbon Nanotubes with Thermo-reversible Block Copolymers and Characterization by Small-angle Neutron Scattering

Published on: June 1, 2016

Dry Oxidation and Vacuum Annealing Treatments for Tuning the Wetting Properties of Carbon Nanotube Arrays

Dry Oxidation and Vacuum Annealing Treatments for Tuning the Wetting Properties of Carbon Nanotube Arrays

Published on: April 15, 2013

Functionalization and Dispersion of Carbon Nanomaterials Using an Environmentally Friendly Ultrasonicated Ozonolysis Process

Functionalization and Dispersion of Carbon Nanomaterials Using an Environmentally Friendly Ultrasonicated Ozonolysis Process

Published on: May 30, 2017

Area of Science:

Condensed Matter Physics
Materials Science
Computational Chemistry

Background:

Carbon nanotubes (CNTs) are promising materials for electronics.
Understanding interactions between CNTs and molecules like water is vital for their application.
Previous studies suggested water might dope CNTs, affecting their electronic properties.

Purpose of the Study:

To calculate the long-range perturbation of CNT electronic charge density due to water molecule physisorption.
To quantify charge transfer between CNTs and water.
To clarify the effect of water on CNT doping.

Main Methods:

Fully first-principles calculations were employed.
Comparison with classical electrostatic models was performed.
Analysis of charge redistribution and charge transfer was conducted.

Main Results:

Physisorption of water induces charge redistribution in CNTs over length scales >30 Å.
The dominant effect is polarization due to the water molecule's dipole moment.
Charge transfer between CNT and water is negligible (<10⁻⁴ e per molecule).

Conclusions:

Water does not significantly dope carbon nanotubes.
The poor alignment of energy levels between water and CNTs supports this conclusion.
Previous claims of water n-doping CNTs may stem from misinterpreting charge partitioning in small supercells.