Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Video

Updated: Jun 21, 2026

An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation
10:33

An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation

Published on: February 27, 2019

Elasticity-driven partial demixing in cholesteric liquid crystal films.

Jürgen Schmidtke1, Harry J Coles

  • 1Department of Engineering, Centre of Molecular Materials for Photonics and Electronics (CMMPE), University of Cambridge, 9 J.J. Thomson Avenue, Cambridge CB3 0FA, United Kingdom. js709@cam.ac.uk

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|August 8, 2009
PubMed
Summary

Partial demixing in chiral nematic liquid crystals is induced by confinement. This effect, small in small molecules, is predicted to be significant in polymers, potentially enhancing photonic devices.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

DNA Origami Nano-Sheets and Nano-Rods Alter the Orientational Order in a Lyotropic Chromonic Liquid Crystal.

Nanomaterials (Basel, Switzerland)·2020
Same author

Emerging Applications of Liquid Crystals Based on Nanotechnology.

Materials (Basel, Switzerland)·2017
Same author

Adaptive holographic pumping of thin-film organic lasers.

Optics letters·2013
Same author

Increasing the flexoelastic ratio of liquid crystals using highly fluorinated ester-linked bimesogens.

Physical chemistry chemical physics : PCCP·2012
Same author

Flexoelectric and elastic coefficients of odd and even homologous bimesogens.

Physical review. E, Statistical, nonlinear, and soft matter physics·2012
Same author

Paintable band-edge liquid crystal lasers.

Optics express·2011

Area of Science:

  • Materials Science
  • Physical Chemistry
  • Optics

Background:

  • Chiral nematic liquid crystals (N* LC) exhibit unique optical properties.
  • The behavior of N* LC mixtures under confinement is crucial for device applications.
  • Understanding demixing phenomena in N* LC is key to controlling their properties.

Purpose of the Study:

  • To investigate the partial demixing of chiral nematic mixtures.
  • To explore the influence of inhomogeneous confinement on N* LC mixtures.
  • To assess the potential of this demixing effect in polymeric liquid crystal systems.

Main Methods:

  • Theoretical analysis of chiral nematic mixtures.
  • Simulation of liquid crystal behavior under confinement.
  • Comparison of low molar mass and polymeric systems.

More Related Videos

Preparation of Liquid Crystal Networks for Macroscopic Oscillatory Motion Induced by Light
07:56

Preparation of Liquid Crystal Networks for Macroscopic Oscillatory Motion Induced by Light

Published on: September 20, 2017

Preparation of Monodomain Liquid Crystal Elastomers and Liquid Crystal Elastomer Nanocomposites
12:21

Preparation of Monodomain Liquid Crystal Elastomers and Liquid Crystal Elastomer Nanocomposites

Published on: February 6, 2016

Related Experiment Videos

Last Updated: Jun 21, 2026

An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation
10:33

An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation

Published on: February 27, 2019

Preparation of Liquid Crystal Networks for Macroscopic Oscillatory Motion Induced by Light
07:56

Preparation of Liquid Crystal Networks for Macroscopic Oscillatory Motion Induced by Light

Published on: September 20, 2017

Preparation of Monodomain Liquid Crystal Elastomers and Liquid Crystal Elastomer Nanocomposites
12:21

Preparation of Monodomain Liquid Crystal Elastomers and Liquid Crystal Elastomer Nanocomposites

Published on: February 6, 2016

Main Results:

  • Partial demixing of chiral nematic mixtures was observed.
  • The demixing effect is significantly enhanced in polymeric systems compared to low molar mass mixtures.
  • Inhomogeneous confinement is identified as the primary driver for demixing.

Conclusions:

  • Partial demixing in chiral nematic liquid crystals can be induced by confinement.
  • Polymeric chiral nematic systems offer a promising platform for exploiting this demixing effect.
  • This phenomenon holds potential for improving the performance of liquid crystal-based photonic devices.