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Updated: Jun 14, 2026

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

Liquid crystals as solid-state templates.

Nurjahan Khatun¹, Agnes C Nkele², Kushal Bagchi¹

¹Department of Chemistry, Rice University, Houston, TX 77005, USA. kb122@rice.edu.

Physical Chemistry Chemical Physics : PCCP

|March 13, 2025

Summary

Researchers review methods for creating organized solids from liquid crystals (LCs). This "organize and solidify" approach uses polymerization, gelation, or vitrification for advanced materials with applications in robotics and sensing.

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Last Updated: Jun 14, 2026

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Area of Science:

Materials Science
Chemistry

Background:

Liquid crystals (LCs) possess unique properties combining crystalline anisotropy and liquid dynamics.
Controlling molecular orientation in LCs is crucial for technologies like liquid crystal displays (LCDs).
Traditional methods for creating ordered organic solids, like single crystal growth, are kinetically limited.

Purpose of the Study:

To review novel approaches for assembling macroscopically organized solids using liquid crystals.
To explore the "organize and solidify" strategy for creating advanced materials with liquid crystalline order.

Main Methods:

Review of methods including polymerization, physical gelation, and vitrification of small-molecule LCs.
Discussion of innovations in molecular design, formulation chemistry, and macroscopic LC alignment.
Analysis of controlling molecular orientation, defects, and deformations in precursor LC phases.

Main Results:

The "organize and solidify" approach enables the generation of solids with inherent LC order.
These LC solids exhibit unique properties, including programmable responses to external stimuli.
Applications include soft robotics, chemical sensing, and lithographic patterning.

Conclusions:

Controlling molecular organization in LCs provides a powerful route to advanced solid materials.
Future opportunities lie in further developing LC solids for diverse technological applications.
Challenges remain in optimizing defect control and scaling up production for widespread use.