Effect of a Dual Functional Polymer on the Electro-Optical Properties of Blue Phase Liquid Crystals.

Polymers (Basel)

School of Electronic and Information Engineering, Hebei University of Technology, Tianjin 300401, China.

Published: July 2019

AI Article Synopsis

  • The study examined how a fluorinated monomer with an ethynyl group influences the electro-optical properties of polymer-stabilized blue phase liquid crystals (PSBPLCs) across various polymer systems.
  • Rigid polymer systems showed a significant 27.6% increase in the Kerr constant while maintaining a fast response time of around one microsecond.
  • In softer polymer systems, there was a notable 45.5% reduction in hysteresis, and residual birefringence decreased from 1.85% to 0.6%, indicating that the monomer affects both anchoring energy and viscosity simultaneously.

Article Abstract

The effects of the fluorinated monomer with an ethynyl group on the electro-optical properties of polymer-stabilized blue phase liquid crystals (PSBPLCs) were investigated in different polymer systems. In rigid polymer systems, the Kerr constant can be increased by about 27.6%, while keeping a microsecond response time. In soft polymer systems, hysteresis decreased by about 45.5% and residual birefringence can be reduced from 1.85% to 0.6%. The above phenomena exhibited dual functions of affecting the anchoring energy and the viscosity of the system simultaneously. The results provide a potential value for the ethynyl-containing monomers in PSBPLC systems.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6680620PMC
http://dx.doi.org/10.3390/polym11071128DOI Listing

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