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Updated: Sep 23, 2025
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A Simple and Scalable Fabrication Method for Organic Electronic Devices on Textiles
Published on: March 13, 2017
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Electric heated cotton fabrics with durable conductivity and self-cleaning properties
1Department of Textiles, Merchandising and Fashion Design, Seoul National University Seoul 08826 Republic of Korea junghee@snu.ac.kr.
RSC Advances
|May 13, 2022
Summary
Superhydrophobic coatings significantly enhance the durability and conductivity of polypyrrole-deposited cotton fabrics. This innovation protects conductive layers, maintaining performance against environmental degradation and wear.
Area of Science:
- Materials Science
- Textile Engineering
- Surface Chemistry
Background:
- Conductive fabrics like polypyrrole-deposited cotton offer electrical heating properties.
- Degradation of conductivity due to environmental factors (moisture, friction) limits their practical application.
- Superhydrophobic surfaces can protect underlying materials and offer self-cleaning properties.
Purpose of the Study:
- To improve the durability and reduce conductivity degradation of polypyrrole-deposited cotton fabrics.
- To create a superhydrophobic surface on conductive cotton fabric.
- To evaluate the functional durability of the conductive superhydrophobic fabric.
Main Methods:
- In situ polymerization of polypyrrole on cotton fabric.
- Surface modification using n-dodecyltrimethoxysilane to achieve superhydrophobicity.
- Assessment of surface resistance changes after exposure to air, moisture, and friction.
Main Results:
- The conductive superhydrophobic cotton fabric exhibited a contact angle >150° and shedding angle <10°.
- Superhydrophobic coating slightly increased surface resistance but protected the conductive layer.
- After 20 weeks of aging, water spray, and tape tests, surface resistance increased by 30% (vs. >74% decrease without coating).
- Self-cleaning properties via water droplet roll-off prevented contamination-induced conductivity degradation.
Conclusions:
- Superhydrophobic surfaces effectively protect conductive polypyrrole layers on cotton fabrics, enhancing functional durability.
- The dual-roughness created by polypyrrole deposition and superhydrophobic coating is crucial for performance.
- This approach offers a promising method for developing robust conductive textiles with self-cleaning capabilities.
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