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Van der Waals Interactions

Van der Waals Interactions

Atoms and molecules interact with each other through intermolecular forces. These electrostatic forces arise from attractive or repulsive interactions between particles with permanent, partial, or temporary charges. The intermolecular forces between neutral atoms and molecules are ion–dipole, dipole–dipole, and dispersion forces, collectively known as van der Waals forces.Polar molecules have a partial positive charge on one end and a partial negative charge on the other end of the molecule,...

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Related Experiment Video

Updated: Jun 4, 2026

Laser-induced Forward Transfer of Ag Nanopaste

Laser-induced Forward Transfer of Ag Nanopaste

Published on: March 31, 2016

Printable van der Waals Nanoparticles for Additive Technologies.

Ivan S Kazantsev¹, Gleb V Tikhonowski¹, Georgy A Ermolaev¹

¹Emerging Technologies Research Center, XPANCEO, Dubai Investment Park First, Dubai, United Arab Emirates.

|June 2, 2026

Summary

This summary is machine-generated.

Researchers developed a new method using pulsed laser ablation in liquid (PLAL) to create stable, additive-free van der Waals (vdW) nano-inks. This purely physical process offers a scalable solution for advanced printing technologies without performance-degrading agents.

Keywords:

2D materials additive nanotechnologies femtosecond laser ablation nanoparticle inks nanoparticles van der Waals materials

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Probe Type II Band Alignment in One-Dimensional Van Der Waals Heterostructures Using First-Principles Calculations

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Last Updated: Jun 4, 2026

Laser-induced Forward Transfer of Ag Nanopaste

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Published on: March 31, 2016

Residue-Free Fabrication of van der Waals Heterostructures of Two-Dimensional Materials

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Published on: July 18, 2025

Probe Type II Band Alignment in One-Dimensional Van Der Waals Heterostructures Using First-Principles Calculations

Probe Type II Band Alignment in One-Dimensional Van Der Waals Heterostructures Using First-Principles Calculations

Published on: October 12, 2019

Area of Science:

Materials Science
Nanotechnology
Physical Chemistry

Background:

Growing demand for high-performance nanoscale building blocks for printing.
Layered van der Waals (vdW) materials offer unique properties for nano-ink applications.
Existing methods for nano-ink production often use additives incompatible with sensitive substrates.

Purpose of the Study:

To develop a scalable, additive-free method for producing stable nano-inks from vdW materials.
To overcome limitations of current nano-ink production techniques.
To establish a universal platform for vdW nano-inks.

Main Methods:

Utilized pulsed laser ablation in liquid (PLAL) as a single-step, purely physical fabrication technique.
Generated spherical vdW nanoparticles directly from bulk materials.
Characterized nanoparticle properties and colloidal stability.

Main Results:

Successfully produced additive-free, spherical vdW nanoparticles.
Achieved exceptional, long-term colloidal stability through a native surface charging mechanism.
Demonstrated the elimination of the need for stabilizing agents or surfactants.

Conclusions:

PLAL offers a robust and scalable methodology for vdW nano-ink production.
The developed nano-inks are suitable for chemically sensitive substrates.
This platform enables next-generation optoelectronics, sensing, and flexible devices.