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A hydrogen bond is formed when a weakly positive hydrogen atom already bonded to one electronegative atom (for example, the oxygen in the water molecule) is attracted to another electronegative atom from another polar molecule, such as water (H2O), hydrogen fluoride (HF), or ammonia (NH3). The huge electronegativity difference between the H atom (2.1) and the atom to which it is bonded (4.0 for an F atom, 3.5 for an O atom, or 3.0 for an N atom), combined with the very small size of an H atom...

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Updated: Aug 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 regulated functional nanomaterials.

Jie Zheng¹, Ady Suwardi¹, Claris Jie Ee Wong²

¹Institute of Materials Research and Engineering, ASTAR (Agency for Science, Technology and Research) Fusionopolis Way, Innovis, #08-03 Singapore 138634 Singapore zheng_jie@imre.a-star.edu.sg lohxj@imre.a-star.edu.sg lizb@imre.a-star.edu.sg.

Nanoscale Advances

|September 22, 2022

Summary

This summary is machine-generated.

Halogen bonding, a powerful non-covalent interaction, drives self-assembly for advanced nanomaterials. This review highlights its applications in molecular recognition, catalysis, and functional materials.

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Area of Science:

Supramolecular Chemistry
Materials Science
Crystal Engineering

Background:

Non-covalent interactions are key to fabricating supramolecular architectures.
Halogen bonding is a potent non-covalent bond gaining traction in nanomaterial design.
This review focuses on recent advancements in halogen bonding for self-assembly.

Purpose of the Study:

To review the latest studies on halogen bonding-induced self-assembly.
To discuss the fundamental aspects and engineering applications of halogen bonding in nanomaterials.
To highlight the potential of halogen bonding in crystal and materials engineering.

Main Methods:

Review of recent scientific literature on halogen bonding and self-assembly.
Analysis of studies focusing on nanomaterial fabrication via halogen bonding.
Discussion of applications including molecular recognition, sensing, and organocatalysis.

Main Results:

Halogen bonding offers high directionality and controllable interaction strength for nanomaterial design.
It provides a facile platform for synthesizing diverse nanomaterials.
Applications span molecular recognition, sensing, organocatalysis, and multifunctional materials.

Conclusions:

Halogen bonding is a powerful tool for designing and synthesizing functional nanomaterials.
Its controllable nature facilitates applications in advanced materials and supramolecular chemistry.
Further exploration promises innovations in areas like sensing and catalysis.