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Author Spotlight: Eco-friendly Photoluminescent Textile Authentication with Curcumin
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Textile materials inspired by structural colour in nature.

Celina Jones1, Franz J Wortmann1, Helen F Gleeson2

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Mimicking nature

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Area of Science:

  • Materials Science
  • Optics
  • Textile Chemistry

Background:

  • Traditional textile dyeing relies heavily on dyes, pigments, and water.
  • Structural coloration, observed in nature, offers a dye-free alternative.
  • Cholesteric liquid crystals (CLCs) exhibit structural color due to nanoscale periodicity.

Purpose of the Study:

  • To explore inkjet printing of CLC solutions onto textiles for structural coloration.
  • To assess the effectiveness of hydrophobic pre-treatment for textile applications.
  • To evaluate the color properties of the resulting structural color films.

Main Methods:

  • Inkjet printing of CLC solutions onto hydrophobic pre-treated textiles.
  • Characterization of resulting films using CIE L*a*b* color values.
  • Comparison of color properties between treated and untreated textiles.

Main Results:

  • Successful inkjet printing of CLC solutions onto hydrophobic textiles.
  • Resultant colorful films demonstrated enhanced color properties.
  • Hydrophobic pre-treatment improved color intensity compared to untreated textiles.

Conclusions:

  • Inkjet printing of CLCs is a viable method for creating structural colors on textiles.
  • Hydrophobic pre-treatment is crucial for achieving superior color results on rough textile surfaces.
  • This approach offers a sustainable alternative to traditional textile dyeing methods.