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Electrospun fibers of liquid crystal mixtures

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Abstract

Electrospinning is a powerful and promising technique in production of nano-materials namely nano-fibers. Nano-sized materials show properties apart from their macroscopic/bulk sizes, and enable us to fabricate materials that could be designed as functional composites of different kinds of materials. We electrospun to form core-sheath nanofibers composed of polyacrylonitrile (PAN) sheath with a core of widely used nematic liquid crystals (6CB and 8CB) by blending them in various ratios. The nano-fibers were fabricated in different conditions regarding the feeding rate and electrospinning voltage. The physical properties were investigated. Optical properties revealed the birefringence of the nano-fibers which is an important property for the light modulating devices. The thicknesses of the nano-fibers were determined from SEM images and the distribution of the thickness was shown in a histogram. The thermal studies put forward the N–I transition temperatures of the liquid crystal/PAN nano-fibers, that the temperatures were in compliance with that of liquid crystals. It can control light modulation by tuning such liquid crystal/fiber material known to be usable in optoelectronics.

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The data that support the findings of this study are available from the corresponding author upon reasonable request.

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Acknowledgements

The authors acknowledge the technical support of The Center of Research Laboratories and Molecular Nano Materials Laboratory which are incorporated with Mugla Sitki Kocman University.

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Authors and Affiliations

  1. Molecular Nano-Materials Laboratory, Department of Physics, Mugla Sitki Kocman University, 48000, Mugla, Turkey

    Çağdaş Koçak

  2. Liquid Crystals Laboratory, Department of Physics, Mugla Sitki Kocman University, 48000, Mugla, Turkey

    Atilla Eren Mamuk

  3. The Center of Research Laboratories, Mugla Sitki Kocman University, 48000, Mugla, Turkey

    Çiğdem Elif Demirci Dönmez & Mehmet Poyraz

Authors
  1. Çağdaş Koçak
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  2. Atilla Eren Mamuk
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  3. Çiğdem Elif Demirci Dönmez
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  4. Mehmet Poyraz
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Contributions

ÇK and AEM designed the research and analyzed the data; AEM, ÇK, ÇEDD and MP performed the research; AEM wrote the paper.

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Correspondence to Atilla Eren Mamuk.

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Koçak, Ç., Mamuk, A.E., Demirci Dönmez, Ç.E. et al. Electrospun fibers of liquid crystal mixtures. J Mater Sci: Mater Electron 33, 15209–15221 (2022). https://doi.org/10.1007/s10854-022-08439-8

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  • DOI: https://doi.org/10.1007/s10854-022-08439-8

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