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June 28, 2026Chemistry - A European Journal

Polymerization‐Induced Liquid Crystallinity With Broadened Mesophase Temperature Range in Side‐Chain Polymers Incorporating Photoresponsive 4‐Cyanoazobenzene Units

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Authors

ODOmkar DashJTJyoti Swarup ThakurPMPradip Kumar Mondal

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Overview

Randomized trial investigates liquid crystalline behavior in side-chain polymers suggesting improved stability.

Key Points

  • This research aims to analyze how different polymer backbones affect the liquid crystalline behavior of side-chain polymers incorporating 4-cyanoazobenzene units.
  • Analyzed monomers and corresponding polymers with varying backbones and alkoxy spacer lengths.
  • Utilized single crystal X-ray diffraction and thermal analysis to assess liquid crystalline properties.
  • Examined photoinduced phase transitions and isomerization under UV and visible light irradiation.
  • Polymerization increased the nematic mesophase range to over 70°C compared to the monomers' narrow range of 1-2°C.
  • Monomers exhibited up to 90% conversion efficiency in reversible trans-cis isomerization.
  • Photoinduced phase transition to isotropic was observed upon UV light exposure.

Cite This Study

Dash et al. (2026) studied this question.

synapsesocial.com/papers/6a40bb1461bb0a67205c6af9https://doi.org/10.1002/chem.71326
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Also Consider

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