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Related Experiment Video

Updated: Dec 28, 2025

From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding

From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding

Published on: March 24, 2018

Halogen Bonding in Two-Dimensional Crystal Engineering.

Joan Teyssandier¹, Kunal S Mali¹, Steven De Feyter¹

¹Division of Molecular Imaging and Photonics Department of Chemistry KU Leuven-University of Leuven Celestijnenlaan 200F 3001 Leuven Belgium.

|February 20, 2020

Summary

This summary is machine-generated.

Halogen bonding is a versatile non-covalent interaction used to build ordered supramolecular networks on solid surfaces. This review surveys literature on networks formed via halogen-halogen and halogen-heteroatom contacts.

Keywords:

2D crystal engineering halogen bonding halogen-halogen interactions scanning tunneling microscopy self-assembly

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Area of Science:

Supramolecular Chemistry
Materials Science
Chemical Physics

Background:

Halogen bonding is a key non-covalent interaction.
It offers moderate strength and high directionality.
It is increasingly utilized in constructing complex molecular architectures.

Purpose of the Study:

To review the literature on supramolecular networks fabricated using halogen bonding on solid surfaces.
To clarify the definitions and distinctions between halogen bonding and halogen-halogen interactions.
To categorize these networks based on interface and interaction type.

Main Methods:

Literature survey of self-assembled systems on solid surfaces.
Analysis of networks formed at solution/solid and vacuum/solid interfaces.
Categorization based on stabilizing interactions (halogen-halogen vs. halogen-heteroatom).

Main Results:

Halogen bonding is effective for fabricating supramolecular networks on solid surfaces.
Networks are formed at both solution/solid and vacuum/solid interfaces.
Systems are sustained by either halogen-halogen or halogen-heteroatom contacts.

Conclusions:

Halogen bonding is a powerful tool for surface-based supramolecular assembly.
Understanding the different types of halogen bonding interactions is crucial for network design.
This review provides a framework for future research in surface-confined halogen-bonded networks.