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Tailoring Heat Transfer and Bactericidal Response in Multifunctional Cotton Composites.

Lilian Pérez Delgado1, Adriana Paola Franco-Bacca1, Fernando Cervantes-Alvarez1

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Nanomaterials (Basel, Switzerland)
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Summary

Researchers optimized silver nanoparticle (AgNP) coatings on cotton fabric for smart textiles. Synthesis parameters control AgNP properties, enhancing thermal and antibacterial functions for applications like smart clothing and packaging.

Keywords:
bactericidal responsecotton fabricsphoto-thermal conversionsilver nanoparticles

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Area of Science:

  • Materials Science and Engineering
  • Nanotechnology
  • Textile Chemistry

Background:

  • Smart materials are crucial for future technologies, requiring efficient synthesis of functional components.
  • Silver nanoparticles (AgNPs) offer promising thermal and antimicrobial properties for advanced textiles.
  • Controlling AgNP synthesis on fabrics is key to achieving desired functionalities.

Purpose of the Study:

  • To investigate the impact of synthesis parameters on the properties of silver nanoparticle-coated cotton fabric (AgNPs@cotton).
  • To correlate synthesis conditions with thermal and bactericidal performance.
  • To establish relationships between nanoparticle characteristics and fabric functionality for practical applications.

Main Methods:

  • Systematic variation of reaction time, temperature, and surface stabilizer concentration during AgNP synthesis on cotton.
  • Characterization of AgNP coating quality, size, shape, and agglomeration.
  • Evaluation of thermal properties (heat transfer) and bactericidal efficacy against reference and environmental bacteria.

Main Results:

  • Synthesis parameters significantly influence AgNP size, shape, and distribution on cotton fibers.
  • Optimized AgNPs@cotton demonstrated enhanced thermal insulation and potent bactericidal activity.
  • Polyvinylpyrrolidone (PVP) acted as an effective surface modifier, contributing to thermal barrier properties.

Conclusions:

  • The study provides a framework for tailoring AgNPs@cotton properties through controlled synthesis.
  • The developed AgNPs@cotton exhibits potential for smart packaging, clothing, and medical dressing applications.
  • This research enables the design of application-specific smart fabrics with tunable thermal and antimicrobial functions.