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A Simple and Scalable Fabrication Method for Organic Electronic Devices on Textiles
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A Simple and Scalable Fabrication Method for Organic Electronic Devices on Textiles

Published on: March 13, 2017

Directly patternable, highly conducting polymers for broad applications in organic electronics.

Joung Eun Yoo1, Kwang Seok Lee, Andres Garcia

  • 1Department of Chemical Engineering, Princeton University, A215 Engineering Quadrangle, Princeton, NJ 08544, USA.

Proceedings of the National Academy of Sciences of the United States of America
|March 10, 2010
PubMed
Summary
This summary is machine-generated.

Postdeposition solvent annealing dramatically enhances conducting polymer conductivity. This process improves electrical properties, making conducting polymers viable for organic electronics like transistors and solar cells.

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Published on: January 17, 2018

Area of Science:

  • Materials Science
  • Polymer Chemistry
  • Organic Electronics

Background:

  • Conducting polymers offer potential for electronic applications but often suffer from low conductivity and poor processability.
  • Enhancing conductivity and processability is crucial for widespread adoption in devices.

Purpose of the Study:

  • To investigate the effect of postdeposition solvent annealing on the structural rearrangement and electrical conductivity of water-dispersible conducting polymers.
  • To demonstrate the potential of this method for improving the performance of conducting polymers in organic electronic devices.

Main Methods:

  • Water-dispersible conducting polymer films (polyaniline and poly(ethylene dioxythiophene)) were prepared.
  • Films were subjected to postdeposition solvent annealing using dichloroacetic acid.
  • Electrical conductivity measurements were performed before and after annealing.

Main Results:

  • Solvent annealing induced significant structural rearrangement in the polymer films.
  • Electrical conductivity improved by over two orders of magnitude.
  • Polyaniline conductivity reached >50 S/cm, and poly(ethylene dioxythiophene) conductivity reached 250 S/cm.

Conclusions:

  • Postdeposition solvent annealing is an effective method to enhance the electrical conductivity of conducting polymers.
  • This technique improves the processability of conducting polymers, enabling their use in organic electronics.
  • Treated conducting polymers are promising alternatives to metals for electrodes in organic thin-film transistors, solar cells, and light-emitting diodes.