Straightforward Production Methods for Diverse Porous PEDOT:PSS Structures and Their Characterization

Area of Science:

• Materials Science
• Polymer Science
• Nanotechnology

Background:

• Porous conductive polymer structures, like Poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS), are crucial for applications such as sensors, hydrogels, and supercapacitors.
• The biocompatibility of conducting polymers makes them highly suitable for wearable technology and smart textiles with direct skin contact.

Purpose of the Study:

• To develop distinct, straightforward, and textile-compatible production methods for fabricating diverse porous PEDOT:PSS structures.
• To thoroughly characterize the produced porous PEDOT:PSS structures regarding porosity, electrical resistance, and appearance.

Main Methods:

• Incorporation of micro cellulose into PEDOT:PSS.
• Utilizing a blowing agent to create porous structures.
• Fabricating sponge-like PEDOT:PSS structures.
• Spraying PEDOT:PSS onto a porous base substrate.

Main Results:

• Successful fabrication of various porous PEDOT:PSS structures, ranging from thin and slightly porous to thick and highly porous.
• Characterization confirmed control over porosity and electrical resistance based on the chosen production method.
• Demonstrated versatility in creating structures suitable for different applications.

Conclusions:

• Novel and uncomplicated approaches for producing diverse porous PEDOT:PSS structures have been established.
• These methods are textile-compatible, enabling integration into wearable electronic components and functional devices.
• The fabricated porous PEDOT:PSS structures show significant potential as electrodes, sensors, and in other smart textile applications.