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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.

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Related Experiment Video

Updated: Sep 8, 2025

Fabricating van der Waals Heterostructures with Precise Rotational Alignment

Fabricating van der Waals Heterostructures with Precise Rotational Alignment

Published on: July 5, 2019

Tunable Nanostructuring for van der Waals Materials.

Gleb I Tselikov¹, Anton A Minnekhanov¹, Georgy A Ermolaev¹

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

|June 16, 2025

Summary

This summary is machine-generated.

Researchers developed a universal method for creating van der Waals (vdW) nanoparticles using laser ablation. This technique produces well-defined vdW nanoparticles from over 50 materials with tunable size and shape for diverse applications.

Keywords:

2D materials MXenes femtosecond laser ablation nanoparticles perovskites transition metal chalcogenides van der Waals materials

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

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

Published on: July 18, 2025

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Last Updated: Sep 8, 2025

Fabricating van der Waals Heterostructures with Precise Rotational Alignment

Fabricating van der Waals Heterostructures with Precise Rotational Alignment

Published on: July 5, 2019

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

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

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

Published on: July 18, 2025

Area of Science:

Materials Science
Nanotechnology
Physics

Background:

Van der Waals (vdW) materials possess unique electronic, optical, and mechanical properties, driving interest in scientific and industrial applications.
Current nanostructuring methods for vdW materials are material-specific and underdeveloped, limiting broader technological adoption.
A universal self-assembled technology for vdW nanostructuring is crucial for unlocking vast technological prospects.

Purpose of the Study:

To develop an express and universal synthesis method for van der Waals (vdW) nanoparticles.
To demonstrate a generalizable route for vdW nanostructuring with tunable properties.
To create vdW nanoparticles with well-defined geometry from a wide range of precursor materials.

Main Methods:

Femtosecond laser ablation and fragmentation technique for vdW material nanostructuring.
Synthesis of nanoparticles from over 50 vdW precursor materials, including transition metal chalcogenides and MXenes.
Characterization of nanoparticle crystalline structure, size, and shape diversity.

Main Results:

Achieved an express and universal synthesis of vdW nanoparticles.
Successfully produced nanoparticles from more than 50 different vdW materials.
Obtained nanoparticles exhibited well-defined crystalline structures and diverse shapes (nanospheres, nanocubes, nanotetrahedrons).

Conclusions:

The demonstrated femtosecond laser ablation method provides a generalizable route for vdW nanostructuring.
The technique offers broad tunability in size, shape, and material composition for vdW nanoparticles.
This approach opens new avenues for tailoring vdW nanomaterials for specific application requirements.